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* [PATCH 1/5] drivers/powerpc: Replace _ALIGN_UP() by ALIGN()
@ 2020-04-20 18:36 Christophe Leroy
  2020-04-20 18:36 ` [PATCH 2/5] powerpc: Replace _ALIGN_DOWN() by ALIGN_DOWN() Christophe Leroy
                   ` (5 more replies)
  0 siblings, 6 replies; 12+ messages in thread
From: Christophe Leroy @ 2020-04-20 18:36 UTC (permalink / raw)
  To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman
  Cc: alsa-devel, kvm, linux-kernel, dri-devel, linux-fbdev, linuxppc-dev

_ALIGN_UP() is specific to powerpc
ALIGN() is generic and does the same

Replace _ALIGN_UP() by ALIGN()

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
 drivers/ps3/ps3-lpm.c               | 6 +++---
 drivers/vfio/pci/vfio_pci_nvlink2.c | 2 +-
 drivers/video/fbdev/ps3fb.c         | 4 ++--
 sound/ppc/snd_ps3.c                 | 2 +-
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/ps3/ps3-lpm.c b/drivers/ps3/ps3-lpm.c
index 83c45659bc9d..064b5884ba13 100644
--- a/drivers/ps3/ps3-lpm.c
+++ b/drivers/ps3/ps3-lpm.c
@@ -1096,8 +1096,8 @@ int ps3_lpm_open(enum ps3_lpm_tb_type tb_type, void *tb_cache,
 		lpm_priv->tb_cache_internal = NULL;
 		lpm_priv->tb_cache = NULL;
 	} else if (tb_cache) {
-		if (tb_cache != (void *)_ALIGN_UP((unsigned long)tb_cache, 128)
-			|| tb_cache_size != _ALIGN_UP(tb_cache_size, 128)) {
+		if (tb_cache != (void *)ALIGN((unsigned long)tb_cache, 128)
+			|| tb_cache_size != ALIGN(tb_cache_size, 128)) {
 			dev_err(sbd_core(), "%s:%u: unaligned tb_cache\n",
 				__func__, __LINE__);
 			result = -EINVAL;
@@ -1116,7 +1116,7 @@ int ps3_lpm_open(enum ps3_lpm_tb_type tb_type, void *tb_cache,
 			result = -ENOMEM;
 			goto fail_malloc;
 		}
-		lpm_priv->tb_cache = (void *)_ALIGN_UP(
+		lpm_priv->tb_cache = (void *)ALIGN(
 			(unsigned long)lpm_priv->tb_cache_internal, 128);
 	}
 
diff --git a/drivers/vfio/pci/vfio_pci_nvlink2.c b/drivers/vfio/pci/vfio_pci_nvlink2.c
index ed20d73cc27c..65c61710c0e9 100644
--- a/drivers/vfio/pci/vfio_pci_nvlink2.c
+++ b/drivers/vfio/pci/vfio_pci_nvlink2.c
@@ -67,7 +67,7 @@ static size_t vfio_pci_nvgpu_rw(struct vfio_pci_device *vdev,
 	 *
 	 * This is not fast path anyway.
 	 */
-	sizealigned = _ALIGN_UP(posoff + count, PAGE_SIZE);
+	sizealigned = ALIGN(posoff + count, PAGE_SIZE);
 	ptr = ioremap_cache(data->gpu_hpa + posaligned, sizealigned);
 	if (!ptr)
 		return -EFAULT;
diff --git a/drivers/video/fbdev/ps3fb.c b/drivers/video/fbdev/ps3fb.c
index 834f63edf700..9df78fb77267 100644
--- a/drivers/video/fbdev/ps3fb.c
+++ b/drivers/video/fbdev/ps3fb.c
@@ -44,7 +44,7 @@
 #define GPU_CMD_BUF_SIZE			(2 * 1024 * 1024)
 #define GPU_FB_START				(64 * 1024)
 #define GPU_IOIF				(0x0d000000UL)
-#define GPU_ALIGN_UP(x)				_ALIGN_UP((x), 64)
+#define GPU_ALIGN_UP(x)				ALIGN((x), 64)
 #define GPU_MAX_LINE_LENGTH			(65536 - 64)
 
 #define GPU_INTR_STATUS_VSYNC_0			0	/* vsync on head A */
@@ -1015,7 +1015,7 @@ static int ps3fb_probe(struct ps3_system_bus_device *dev)
 	}
 #endif
 
-	max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
+	max_ps3fb_size = ALIGN(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
 	if (ps3fb_videomemory.size > max_ps3fb_size) {
 		dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n",
 			 max_ps3fb_size);
diff --git a/sound/ppc/snd_ps3.c b/sound/ppc/snd_ps3.c
index 6d2a33b8faa0..b8161a08f2ca 100644
--- a/sound/ppc/snd_ps3.c
+++ b/sound/ppc/snd_ps3.c
@@ -926,7 +926,7 @@ static int snd_ps3_driver_probe(struct ps3_system_bus_device *dev)
 			    PAGE_SHIFT, /* use system page size */
 			    0, /* dma type; not used */
 			    NULL,
-			    _ALIGN_UP(SND_PS3_DMA_REGION_SIZE, PAGE_SIZE));
+			    ALIGN(SND_PS3_DMA_REGION_SIZE, PAGE_SIZE));
 	dev->d_region->ioid = PS3_AUDIO_IOID;
 
 	ret = ps3_dma_region_create(dev->d_region);
-- 
2.25.0

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^ permalink raw reply	[flat|nested] 12+ messages in thread

* [PATCH 2/5] powerpc: Replace _ALIGN_DOWN() by ALIGN_DOWN()
  2020-04-20 18:36 [PATCH 1/5] drivers/powerpc: Replace _ALIGN_UP() by ALIGN() Christophe Leroy
@ 2020-04-20 18:36 ` Christophe Leroy
  2020-04-21  1:04   ` Joel Stanley
  2020-04-20 18:36 ` [PATCH 3/5] powerpc: Replace _ALIGN_UP() by ALIGN() Christophe Leroy
                   ` (4 subsequent siblings)
  5 siblings, 1 reply; 12+ messages in thread
From: Christophe Leroy @ 2020-04-20 18:36 UTC (permalink / raw)
  To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman
  Cc: alsa-devel, kvm, linux-kernel, dri-devel, linux-fbdev, linuxppc-dev

_ALIGN_DOWN() is specific to powerpc
ALIGN_DOWN() is generic and does the same

Replace _ALIGN_DOWN() by ALIGN_DOWN()

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
 arch/powerpc/include/asm/book3s/32/pgtable.h |  2 +-
 arch/powerpc/include/asm/nohash/32/pgtable.h |  2 +-
 arch/powerpc/kernel/pci_64.c                 |  2 +-
 arch/powerpc/kernel/prom.c                   |  6 +++---
 arch/powerpc/kernel/prom_init.c              |  8 ++++----
 arch/powerpc/mm/book3s64/hash_tlb.c          |  4 ++--
 arch/powerpc/mm/init_64.c                    |  4 ++--
 arch/powerpc/platforms/powernv/opal-fadump.c |  2 +-
 arch/powerpc/platforms/powernv/pci-ioda.c    |  2 +-
 arch/powerpc/platforms/ps3/mm.c              | 14 +++++++-------
 arch/powerpc/platforms/pseries/rtas-fadump.c |  2 +-
 11 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/arch/powerpc/include/asm/book3s/32/pgtable.h b/arch/powerpc/include/asm/book3s/32/pgtable.h
index 7549393c4c43..53b5c93eaf5d 100644
--- a/arch/powerpc/include/asm/book3s/32/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/32/pgtable.h
@@ -195,7 +195,7 @@ int map_kernel_page(unsigned long va, phys_addr_t pa, pgprot_t prot);
 #endif
 
 #ifdef CONFIG_KASAN_VMALLOC
-#define VMALLOC_END	_ALIGN_DOWN(ioremap_bot, PAGE_SIZE << KASAN_SHADOW_SCALE_SHIFT)
+#define VMALLOC_END	ALIGN_DOWN(ioremap_bot, PAGE_SIZE << KASAN_SHADOW_SCALE_SHIFT)
 #else
 #define VMALLOC_END	ioremap_bot
 #endif
diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h
index b04ba257fddb..5b4d4c4297e1 100644
--- a/arch/powerpc/include/asm/nohash/32/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/32/pgtable.h
@@ -116,7 +116,7 @@ int map_kernel_page(unsigned long va, phys_addr_t pa, pgprot_t prot);
 #endif
 
 #ifdef CONFIG_KASAN_VMALLOC
-#define VMALLOC_END	_ALIGN_DOWN(ioremap_bot, PAGE_SIZE << KASAN_SHADOW_SCALE_SHIFT)
+#define VMALLOC_END	ALIGN_DOWN(ioremap_bot, PAGE_SIZE << KASAN_SHADOW_SCALE_SHIFT)
 #else
 #define VMALLOC_END	ioremap_bot
 #endif
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index f83d1f69b1dd..e5d05af5a9af 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -130,7 +130,7 @@ static int pcibios_map_phb_io_space(struct pci_controller *hose)
 	unsigned long size_page;
 	unsigned long io_virt_offset;
 
-	phys_page = _ALIGN_DOWN(hose->io_base_phys, PAGE_SIZE);
+	phys_page = ALIGN_DOWN(hose->io_base_phys, PAGE_SIZE);
 	size_page = _ALIGN_UP(hose->pci_io_size, PAGE_SIZE);
 
 	/* Make sure IO area address is clear */
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 6620f37abe73..10b5d5eafd34 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -96,7 +96,7 @@ static inline int overlaps_initrd(unsigned long start, unsigned long size)
 	if (!initrd_start)
 		return 0;
 
-	return	(start + size) > _ALIGN_DOWN(initrd_start, PAGE_SIZE) &&
+	return	(start + size) > ALIGN_DOWN(initrd_start, PAGE_SIZE) &&
 			start <= _ALIGN_UP(initrd_end, PAGE_SIZE);
 #else
 	return 0;
@@ -623,9 +623,9 @@ static void __init early_reserve_mem(void)
 #ifdef CONFIG_BLK_DEV_INITRD
 	/* Then reserve the initrd, if any */
 	if (initrd_start && (initrd_end > initrd_start)) {
-		memblock_reserve(_ALIGN_DOWN(__pa(initrd_start), PAGE_SIZE),
+		memblock_reserve(ALIGN_DOWN(__pa(initrd_start), PAGE_SIZE),
 			_ALIGN_UP(initrd_end, PAGE_SIZE) -
-			_ALIGN_DOWN(initrd_start, PAGE_SIZE));
+			ALIGN_DOWN(initrd_start, PAGE_SIZE));
 	}
 #endif /* CONFIG_BLK_DEV_INITRD */
 
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 806be751c336..4cf5958eebd4 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -1500,7 +1500,7 @@ static unsigned long __init alloc_down(unsigned long size, unsigned long align,
 
 	if (highmem) {
 		/* Carve out storage for the TCE table. */
-		addr = _ALIGN_DOWN(alloc_top_high - size, align);
+		addr = ALIGN_DOWN(alloc_top_high - size, align);
 		if (addr <= alloc_bottom)
 			return 0;
 		/* Will we bump into the RMO ? If yes, check out that we
@@ -1518,9 +1518,9 @@ static unsigned long __init alloc_down(unsigned long size, unsigned long align,
 		goto bail;
 	}
 
-	base = _ALIGN_DOWN(alloc_top - size, align);
+	base = ALIGN_DOWN(alloc_top - size, align);
 	for (; base > alloc_bottom;
-	     base = _ALIGN_DOWN(base - 0x100000, align))  {
+	     base = ALIGN_DOWN(base - 0x100000, align))  {
 		prom_debug("    trying: 0x%lx\n\r", base);
 		addr = (unsigned long)prom_claim(base, size, 0);
 		if (addr != PROM_ERROR && addr != 0)
@@ -1586,7 +1586,7 @@ static void __init reserve_mem(u64 base, u64 size)
 	 * have our terminator with "size" set to 0 since we are
 	 * dumb and just copy this entire array to the boot params
 	 */
-	base = _ALIGN_DOWN(base, PAGE_SIZE);
+	base = ALIGN_DOWN(base, PAGE_SIZE);
 	top = _ALIGN_UP(top, PAGE_SIZE);
 	size = top - base;
 
diff --git a/arch/powerpc/mm/book3s64/hash_tlb.c b/arch/powerpc/mm/book3s64/hash_tlb.c
index 4a70d8dd39cd..2242d022b620 100644
--- a/arch/powerpc/mm/book3s64/hash_tlb.c
+++ b/arch/powerpc/mm/book3s64/hash_tlb.c
@@ -196,7 +196,7 @@ void __flush_hash_table_range(struct mm_struct *mm, unsigned long start,
 	int hugepage_shift;
 	unsigned long flags;
 
-	start = _ALIGN_DOWN(start, PAGE_SIZE);
+	start = ALIGN_DOWN(start, PAGE_SIZE);
 	end = _ALIGN_UP(end, PAGE_SIZE);
 
 	BUG_ON(!mm->pgd);
@@ -238,7 +238,7 @@ void flush_tlb_pmd_range(struct mm_struct *mm, pmd_t *pmd, unsigned long addr)
 	pte_t *start_pte;
 	unsigned long flags;
 
-	addr = _ALIGN_DOWN(addr, PMD_SIZE);
+	addr = ALIGN_DOWN(addr, PMD_SIZE);
 	/*
 	 * Note: Normally, we should only ever use a batch within a
 	 * PTE locked section. This violates the rule, but will work
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index 4002ced3596f..c7ce4ec5060e 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -203,7 +203,7 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
 	unsigned long page_size = 1 << mmu_psize_defs[mmu_vmemmap_psize].shift;
 
 	/* Align to the page size of the linear mapping. */
-	start = _ALIGN_DOWN(start, page_size);
+	start = ALIGN_DOWN(start, page_size);
 
 	pr_debug("vmemmap_populate %lx..%lx, node %d\n", start, end, node);
 
@@ -292,7 +292,7 @@ void __ref vmemmap_free(unsigned long start, unsigned long end,
 	unsigned long alt_start = ~0, alt_end = ~0;
 	unsigned long base_pfn;
 
-	start = _ALIGN_DOWN(start, page_size);
+	start = ALIGN_DOWN(start, page_size);
 	if (altmap) {
 		alt_start = altmap->base_pfn;
 		alt_end = altmap->base_pfn + altmap->reserve +
diff --git a/arch/powerpc/platforms/powernv/opal-fadump.c b/arch/powerpc/platforms/powernv/opal-fadump.c
index d361d37d975f..9a360ced663b 100644
--- a/arch/powerpc/platforms/powernv/opal-fadump.c
+++ b/arch/powerpc/platforms/powernv/opal-fadump.c
@@ -671,7 +671,7 @@ void __init opal_fadump_dt_scan(struct fw_dump *fadump_conf, u64 node)
 	 * Firmware supports 32-bit field for size. Align it to PAGE_SIZE
 	 * and request firmware to copy multiple kernel boot memory regions.
 	 */
-	fadump_conf->max_copy_size = _ALIGN_DOWN(U32_MAX, PAGE_SIZE);
+	fadump_conf->max_copy_size = ALIGN_DOWN(U32_MAX, PAGE_SIZE);
 
 	/*
 	 * Check if dump has been initiated on last reboot.
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 57d3a6af1d52..276b011cd45d 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -264,7 +264,7 @@ static void pnv_ioda_reserve_dev_m64_pe(struct pci_dev *pdev,
 		if (!r->parent || !pnv_pci_is_m64(phb, r))
 			continue;
 
-		start = _ALIGN_DOWN(r->start - base, sgsz);
+		start = ALIGN_DOWN(r->start - base, sgsz);
 		end = _ALIGN_UP(r->end - base, sgsz);
 		for (segno = start / sgsz; segno < end / sgsz; segno++) {
 			if (pe_bitmap)
diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
index 423be34f0f5f..71ed37f7f475 100644
--- a/arch/powerpc/platforms/ps3/mm.c
+++ b/arch/powerpc/platforms/ps3/mm.c
@@ -263,7 +263,7 @@ static int ps3_mm_region_create(struct mem_region *r, unsigned long size)
 	int result;
 	u64 muid;
 
-	r->size = _ALIGN_DOWN(size, 1 << PAGE_SHIFT_16M);
+	r->size = ALIGN_DOWN(size, 1 << PAGE_SHIFT_16M);
 
 	DBG("%s:%d requested  %lxh\n", __func__, __LINE__, size);
 	DBG("%s:%d actual     %llxh\n", __func__, __LINE__, r->size);
@@ -394,7 +394,7 @@ static struct dma_chunk * dma_find_chunk(struct ps3_dma_region *r,
 	unsigned long bus_addr, unsigned long len)
 {
 	struct dma_chunk *c;
-	unsigned long aligned_bus = _ALIGN_DOWN(bus_addr, 1 << r->page_size);
+	unsigned long aligned_bus = ALIGN_DOWN(bus_addr, 1 << r->page_size);
 	unsigned long aligned_len = _ALIGN_UP(len+bus_addr-aligned_bus,
 					      1 << r->page_size);
 
@@ -423,7 +423,7 @@ static struct dma_chunk *dma_find_chunk_lpar(struct ps3_dma_region *r,
 	unsigned long lpar_addr, unsigned long len)
 {
 	struct dma_chunk *c;
-	unsigned long aligned_lpar = _ALIGN_DOWN(lpar_addr, 1 << r->page_size);
+	unsigned long aligned_lpar = ALIGN_DOWN(lpar_addr, 1 << r->page_size);
 	unsigned long aligned_len = _ALIGN_UP(len + lpar_addr - aligned_lpar,
 					      1 << r->page_size);
 
@@ -775,7 +775,7 @@ static int dma_sb_map_area(struct ps3_dma_region *r, unsigned long virt_addr,
 	struct dma_chunk *c;
 	unsigned long phys_addr = is_kernel_addr(virt_addr) ? __pa(virt_addr)
 		: virt_addr;
-	unsigned long aligned_phys = _ALIGN_DOWN(phys_addr, 1 << r->page_size);
+	unsigned long aligned_phys = ALIGN_DOWN(phys_addr, 1 << r->page_size);
 	unsigned long aligned_len = _ALIGN_UP(len + phys_addr - aligned_phys,
 					      1 << r->page_size);
 	*bus_addr = dma_sb_lpar_to_bus(r, ps3_mm_phys_to_lpar(phys_addr));
@@ -830,7 +830,7 @@ static int dma_ioc0_map_area(struct ps3_dma_region *r, unsigned long virt_addr,
 	struct dma_chunk *c;
 	unsigned long phys_addr = is_kernel_addr(virt_addr) ? __pa(virt_addr)
 		: virt_addr;
-	unsigned long aligned_phys = _ALIGN_DOWN(phys_addr, 1 << r->page_size);
+	unsigned long aligned_phys = ALIGN_DOWN(phys_addr, 1 << r->page_size);
 	unsigned long aligned_len = _ALIGN_UP(len + phys_addr - aligned_phys,
 					      1 << r->page_size);
 
@@ -889,7 +889,7 @@ static int dma_sb_unmap_area(struct ps3_dma_region *r, dma_addr_t bus_addr,
 	c = dma_find_chunk(r, bus_addr, len);
 
 	if (!c) {
-		unsigned long aligned_bus = _ALIGN_DOWN(bus_addr,
+		unsigned long aligned_bus = ALIGN_DOWN(bus_addr,
 			1 << r->page_size);
 		unsigned long aligned_len = _ALIGN_UP(len + bus_addr
 			- aligned_bus, 1 << r->page_size);
@@ -926,7 +926,7 @@ static int dma_ioc0_unmap_area(struct ps3_dma_region *r,
 	c = dma_find_chunk(r, bus_addr, len);
 
 	if (!c) {
-		unsigned long aligned_bus = _ALIGN_DOWN(bus_addr,
+		unsigned long aligned_bus = ALIGN_DOWN(bus_addr,
 							1 << r->page_size);
 		unsigned long aligned_len = _ALIGN_UP(len + bus_addr
 						      - aligned_bus,
diff --git a/arch/powerpc/platforms/pseries/rtas-fadump.c b/arch/powerpc/platforms/pseries/rtas-fadump.c
index 70c3013fdd07..81343908ed33 100644
--- a/arch/powerpc/platforms/pseries/rtas-fadump.c
+++ b/arch/powerpc/platforms/pseries/rtas-fadump.c
@@ -506,7 +506,7 @@ void __init rtas_fadump_dt_scan(struct fw_dump *fadump_conf, u64 node)
 	fadump_conf->fadump_supported	= 1;
 
 	/* Firmware supports 64-bit value for size, align it to pagesize. */
-	fadump_conf->max_copy_size = _ALIGN_DOWN(U64_MAX, PAGE_SIZE);
+	fadump_conf->max_copy_size = ALIGN_DOWN(U64_MAX, PAGE_SIZE);
 
 	/*
 	 * The 'ibm,kernel-dump' rtas node is present only if there is
-- 
2.25.0

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

^ permalink raw reply	[flat|nested] 12+ messages in thread

* [PATCH 3/5] powerpc: Replace _ALIGN_UP() by ALIGN()
  2020-04-20 18:36 [PATCH 1/5] drivers/powerpc: Replace _ALIGN_UP() by ALIGN() Christophe Leroy
  2020-04-20 18:36 ` [PATCH 2/5] powerpc: Replace _ALIGN_DOWN() by ALIGN_DOWN() Christophe Leroy
@ 2020-04-20 18:36 ` Christophe Leroy
  2020-04-21  1:04   ` Joel Stanley
  2020-04-20 18:36 ` [PATCH 4/5] powerpc: Replace _ALIGN() " Christophe Leroy
                   ` (3 subsequent siblings)
  5 siblings, 1 reply; 12+ messages in thread
From: Christophe Leroy @ 2020-04-20 18:36 UTC (permalink / raw)
  To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman
  Cc: alsa-devel, kvm, linux-kernel, dri-devel, linux-fbdev, linuxppc-dev

_ALIGN_UP() is specific to powerpc
ALIGN() is generic and does the same

Replace _ALIGN_UP() by ALIGN()

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
 arch/powerpc/include/asm/iommu.h             |  4 ++--
 arch/powerpc/kernel/head_booke.h             |  2 +-
 arch/powerpc/kernel/nvram_64.c               |  4 ++--
 arch/powerpc/kernel/pci_64.c                 |  2 +-
 arch/powerpc/kernel/prom.c                   |  4 ++--
 arch/powerpc/kernel/prom_init.c              |  8 ++++----
 arch/powerpc/kvm/book3s_64_vio_hv.c          |  2 +-
 arch/powerpc/mm/book3s64/hash_tlb.c          |  2 +-
 arch/powerpc/mm/book3s64/radix_pgtable.c     |  2 +-
 arch/powerpc/mm/slice.c                      |  2 +-
 arch/powerpc/platforms/cell/iommu.c          |  6 +++---
 arch/powerpc/platforms/powermac/bootx_init.c | 10 +++++-----
 arch/powerpc/platforms/powernv/pci-ioda.c    |  8 ++++----
 arch/powerpc/platforms/ps3/mm.c              | 16 ++++++++--------
 arch/powerpc/platforms/ps3/setup.c           |  2 +-
 15 files changed, 37 insertions(+), 37 deletions(-)

diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h
index 350101e11ddb..5032f1593299 100644
--- a/arch/powerpc/include/asm/iommu.h
+++ b/arch/powerpc/include/asm/iommu.h
@@ -22,11 +22,11 @@
 #define IOMMU_PAGE_SHIFT_4K      12
 #define IOMMU_PAGE_SIZE_4K       (ASM_CONST(1) << IOMMU_PAGE_SHIFT_4K)
 #define IOMMU_PAGE_MASK_4K       (~((1 << IOMMU_PAGE_SHIFT_4K) - 1))
-#define IOMMU_PAGE_ALIGN_4K(addr) _ALIGN_UP(addr, IOMMU_PAGE_SIZE_4K)
+#define IOMMU_PAGE_ALIGN_4K(addr) ALIGN(addr, IOMMU_PAGE_SIZE_4K)
 
 #define IOMMU_PAGE_SIZE(tblptr) (ASM_CONST(1) << (tblptr)->it_page_shift)
 #define IOMMU_PAGE_MASK(tblptr) (~((1 << (tblptr)->it_page_shift) - 1))
-#define IOMMU_PAGE_ALIGN(addr, tblptr) _ALIGN_UP(addr, IOMMU_PAGE_SIZE(tblptr))
+#define IOMMU_PAGE_ALIGN(addr, tblptr) ALIGN(addr, IOMMU_PAGE_SIZE(tblptr))
 
 /* Boot time flags */
 extern int iommu_is_off;
diff --git a/arch/powerpc/kernel/head_booke.h b/arch/powerpc/kernel/head_booke.h
index bd2e5ed8dd50..18f87bf9e32b 100644
--- a/arch/powerpc/kernel/head_booke.h
+++ b/arch/powerpc/kernel/head_booke.h
@@ -534,7 +534,7 @@ struct exception_regs {
 };
 
 /* ensure this structure is always sized to a multiple of the stack alignment */
-#define STACK_EXC_LVL_FRAME_SIZE	_ALIGN_UP(sizeof (struct exception_regs), 16)
+#define STACK_EXC_LVL_FRAME_SIZE	ALIGN(sizeof (struct exception_regs), 16)
 
 #endif /* __ASSEMBLY__ */
 #endif /* __HEAD_BOOKE_H__ */
diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c
index fb4f61096613..314780e8ef78 100644
--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -854,8 +854,8 @@ loff_t __init nvram_create_partition(const char *name, int sig,
 	BUILD_BUG_ON(NVRAM_BLOCK_LEN != 16);
 
 	/* Convert sizes from bytes to blocks */
-	req_size = _ALIGN_UP(req_size, NVRAM_BLOCK_LEN) / NVRAM_BLOCK_LEN;
-	min_size = _ALIGN_UP(min_size, NVRAM_BLOCK_LEN) / NVRAM_BLOCK_LEN;
+	req_size = ALIGN(req_size, NVRAM_BLOCK_LEN) / NVRAM_BLOCK_LEN;
+	min_size = ALIGN(min_size, NVRAM_BLOCK_LEN) / NVRAM_BLOCK_LEN;
 
 	/* If no minimum size specified, make it the same as the
 	 * requested size
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index e5d05af5a9af..ff8e3fbdf663 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -131,7 +131,7 @@ static int pcibios_map_phb_io_space(struct pci_controller *hose)
 	unsigned long io_virt_offset;
 
 	phys_page = ALIGN_DOWN(hose->io_base_phys, PAGE_SIZE);
-	size_page = _ALIGN_UP(hose->pci_io_size, PAGE_SIZE);
+	size_page = ALIGN(hose->pci_io_size, PAGE_SIZE);
 
 	/* Make sure IO area address is clear */
 	hose->io_base_alloc = NULL;
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 10b5d5eafd34..1dcf0e214a22 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -97,7 +97,7 @@ static inline int overlaps_initrd(unsigned long start, unsigned long size)
 		return 0;
 
 	return	(start + size) > ALIGN_DOWN(initrd_start, PAGE_SIZE) &&
-			start <= _ALIGN_UP(initrd_end, PAGE_SIZE);
+			start <= ALIGN(initrd_end, PAGE_SIZE);
 #else
 	return 0;
 #endif
@@ -624,7 +624,7 @@ static void __init early_reserve_mem(void)
 	/* Then reserve the initrd, if any */
 	if (initrd_start && (initrd_end > initrd_start)) {
 		memblock_reserve(ALIGN_DOWN(__pa(initrd_start), PAGE_SIZE),
-			_ALIGN_UP(initrd_end, PAGE_SIZE) -
+			ALIGN(initrd_end, PAGE_SIZE) -
 			ALIGN_DOWN(initrd_start, PAGE_SIZE));
 	}
 #endif /* CONFIG_BLK_DEV_INITRD */
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 4cf5958eebd4..3a5a7db4564f 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -1449,18 +1449,18 @@ static unsigned long __init alloc_up(unsigned long size, unsigned long align)
 	unsigned long addr = 0;
 
 	if (align)
-		base = _ALIGN_UP(base, align);
+		base = ALIGN(base, align);
 	prom_debug("%s(%lx, %lx)\n", __func__, size, align);
 	if (ram_top == 0)
 		prom_panic("alloc_up() called with mem not initialized\n");
 
 	if (align)
-		base = _ALIGN_UP(alloc_bottom, align);
+		base = ALIGN(alloc_bottom, align);
 	else
 		base = alloc_bottom;
 
 	for(; (base + size) <= alloc_top; 
-	    base = _ALIGN_UP(base + 0x100000, align)) {
+	    base = ALIGN(base + 0x100000, align)) {
 		prom_debug("    trying: 0x%lx\n\r", base);
 		addr = (unsigned long)prom_claim(base, size, 0);
 		if (addr != PROM_ERROR && addr != 0)
@@ -1587,7 +1587,7 @@ static void __init reserve_mem(u64 base, u64 size)
 	 * dumb and just copy this entire array to the boot params
 	 */
 	base = ALIGN_DOWN(base, PAGE_SIZE);
-	top = _ALIGN_UP(top, PAGE_SIZE);
+	top = ALIGN(top, PAGE_SIZE);
 	size = top - base;
 
 	if (cnt >= (MEM_RESERVE_MAP_SIZE - 1))
diff --git a/arch/powerpc/kvm/book3s_64_vio_hv.c b/arch/powerpc/kvm/book3s_64_vio_hv.c
index 6fcaf1fa8e02..2d231eb5884a 100644
--- a/arch/powerpc/kvm/book3s_64_vio_hv.c
+++ b/arch/powerpc/kvm/book3s_64_vio_hv.c
@@ -208,7 +208,7 @@ static long kvmppc_rm_ioba_validate(struct kvmppc_spapr_tce_table *stt,
 
 	idx = (ioba >> stt->page_shift) - stt->offset;
 	sttpage = idx / TCES_PER_PAGE;
-	sttpages = _ALIGN_UP(idx % TCES_PER_PAGE + npages, TCES_PER_PAGE) /
+	sttpages = ALIGN(idx % TCES_PER_PAGE + npages, TCES_PER_PAGE) /
 			TCES_PER_PAGE;
 	for (i = sttpage; i < sttpage + sttpages; ++i)
 		if (!stt->pages[i])
diff --git a/arch/powerpc/mm/book3s64/hash_tlb.c b/arch/powerpc/mm/book3s64/hash_tlb.c
index 2242d022b620..081940b85e24 100644
--- a/arch/powerpc/mm/book3s64/hash_tlb.c
+++ b/arch/powerpc/mm/book3s64/hash_tlb.c
@@ -197,7 +197,7 @@ void __flush_hash_table_range(struct mm_struct *mm, unsigned long start,
 	unsigned long flags;
 
 	start = ALIGN_DOWN(start, PAGE_SIZE);
-	end = _ALIGN_UP(end, PAGE_SIZE);
+	end = ALIGN(end, PAGE_SIZE);
 
 	BUG_ON(!mm->pgd);
 
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c
index 8f9edf07063a..4bdfc8dff87d 100644
--- a/arch/powerpc/mm/book3s64/radix_pgtable.c
+++ b/arch/powerpc/mm/book3s64/radix_pgtable.c
@@ -261,7 +261,7 @@ static int __meminit create_physical_mapping(unsigned long start,
 	pgprot_t prot;
 	int psize;
 
-	start = _ALIGN_UP(start, PAGE_SIZE);
+	start = ALIGN(start, PAGE_SIZE);
 	for (addr = start; addr < end; addr += mapping_size) {
 		unsigned long gap, previous_size;
 		int rc;
diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c
index dffe1a45b6ed..82b45b1cb973 100644
--- a/arch/powerpc/mm/slice.c
+++ b/arch/powerpc/mm/slice.c
@@ -478,7 +478,7 @@ unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len,
 
 	/* If hint, make sure it matches our alignment restrictions */
 	if (!fixed && addr) {
-		addr = _ALIGN_UP(addr, page_size);
+		addr = ALIGN(addr, page_size);
 		slice_dbg(" aligned addr=%lx\n", addr);
 		/* Ignore hint if it's too large or overlaps a VMA */
 		if (addr > high_limit - len || addr < mmap_min_addr ||
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index ca9ffc1c8685..2124831cf57c 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -943,7 +943,7 @@ static int __init cell_iommu_fixed_mapping_init(void)
 		fbase = max(fbase, dbase + dsize);
 	}
 
-	fbase = _ALIGN_UP(fbase, 1 << IO_SEGMENT_SHIFT);
+	fbase = ALIGN(fbase, 1 << IO_SEGMENT_SHIFT);
 	fsize = memblock_phys_mem_size();
 
 	if ((fbase + fsize) <= 0x800000000ul)
@@ -963,8 +963,8 @@ static int __init cell_iommu_fixed_mapping_init(void)
 		hend  = hbase + htab_size_bytes;
 
 		/* The window must start and end on a segment boundary */
-		if ((hbase != _ALIGN_UP(hbase, 1 << IO_SEGMENT_SHIFT)) ||
-		    (hend != _ALIGN_UP(hend, 1 << IO_SEGMENT_SHIFT))) {
+		if ((hbase != ALIGN(hbase, 1 << IO_SEGMENT_SHIFT)) ||
+		    (hend != ALIGN(hend, 1 << IO_SEGMENT_SHIFT))) {
 			pr_debug("iommu: hash window not segment aligned\n");
 			return -1;
 		}
diff --git a/arch/powerpc/platforms/powermac/bootx_init.c b/arch/powerpc/platforms/powermac/bootx_init.c
index af309ee99114..c3374a90952f 100644
--- a/arch/powerpc/platforms/powermac/bootx_init.c
+++ b/arch/powerpc/platforms/powermac/bootx_init.c
@@ -108,7 +108,7 @@ static void * __init bootx_early_getprop(unsigned long base,
 
 #define dt_push_token(token, mem) \
 	do { \
-		*(mem) = _ALIGN_UP(*(mem),4); \
+		*(mem) = ALIGN(*(mem),4); \
 		*((u32 *)*(mem)) = token; \
 		*(mem) += 4; \
 	} while(0)
@@ -150,7 +150,7 @@ static void __init bootx_dt_add_prop(char *name, void *data, int size,
 	/* push property content */
 	if (size && data) {
 		memcpy((void *)*mem_end, data, size);
-		*mem_end = _ALIGN_UP(*mem_end + size, 4);
+		*mem_end = ALIGN(*mem_end + size, 4);
 	}
 }
 
@@ -303,7 +303,7 @@ static void __init bootx_scan_dt_build_struct(unsigned long base,
 			*lp++ = *p;
 	}
 	*lp = 0;
-	*mem_end = _ALIGN_UP((unsigned long)lp + 1, 4);
+	*mem_end = ALIGN((unsigned long)lp + 1, 4);
 
 	/* get and store all properties */
 	while (*ppp) {
@@ -356,11 +356,11 @@ static unsigned long __init bootx_flatten_dt(unsigned long start)
 	/* Start using memory after the big blob passed by BootX, get
 	 * some space for the header
 	 */
-	mem_start = mem_end = _ALIGN_UP(((unsigned long)bi) + start, 4);
+	mem_start = mem_end = ALIGN(((unsigned long)bi) + start, 4);
 	DBG("Boot params header at: %x\n", mem_start);
 	hdr = (struct boot_param_header *)mem_start;
 	mem_end += sizeof(struct boot_param_header);
-	rsvmap = (u64 *)(_ALIGN_UP(mem_end, 8));
+	rsvmap = (u64 *)(ALIGN(mem_end, 8));
 	hdr->off_mem_rsvmap = ((unsigned long)rsvmap) - mem_start;
 	mem_end = ((unsigned long)rsvmap) + 8 * sizeof(u64);
 
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 276b011cd45d..d1a16ebc31bb 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -265,7 +265,7 @@ static void pnv_ioda_reserve_dev_m64_pe(struct pci_dev *pdev,
 			continue;
 
 		start = ALIGN_DOWN(r->start - base, sgsz);
-		end = _ALIGN_UP(r->end - base, sgsz);
+		end = ALIGN(r->end - base, sgsz);
 		for (segno = start / sgsz; segno < end / sgsz; segno++) {
 			if (pe_bitmap)
 				set_bit(segno, pe_bitmap);
@@ -361,7 +361,7 @@ static struct pnv_ioda_pe *pnv_ioda_pick_m64_pe(struct pci_bus *bus, bool all)
 		return NULL;
 
 	/* Allocate bitmap */
-	size = _ALIGN_UP(phb->ioda.total_pe_num / 8, sizeof(unsigned long));
+	size = ALIGN(phb->ioda.total_pe_num / 8, sizeof(unsigned long));
 	pe_alloc = kzalloc(size, GFP_KERNEL);
 	if (!pe_alloc) {
 		pr_warn("%s: Out of memory !\n",
@@ -2537,7 +2537,7 @@ unsigned long pnv_pci_ioda2_get_table_size(__u32 page_shift,
 	direct_table_size =  1UL << table_shift;
 
 	for ( ; levels; --levels) {
-		bytes += _ALIGN_UP(tce_table_size, direct_table_size);
+		bytes += ALIGN(tce_table_size, direct_table_size);
 
 		tce_table_size /= direct_table_size;
 		tce_table_size <<= 3;
@@ -3863,7 +3863,7 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np,
 				PNV_IODA1_DMA32_SEGSIZE;
 
 	/* Allocate aux data & arrays. We don't have IO ports on PHB3 */
-	size = _ALIGN_UP(max_t(unsigned, phb->ioda.total_pe_num, 8) / 8,
+	size = ALIGN(max_t(unsigned, phb->ioda.total_pe_num, 8) / 8,
 			sizeof(unsigned long));
 	m64map_off = size;
 	size += phb->ioda.total_pe_num * sizeof(phb->ioda.m64_segmap[0]);
diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
index 71ed37f7f475..b83f2c851b40 100644
--- a/arch/powerpc/platforms/ps3/mm.c
+++ b/arch/powerpc/platforms/ps3/mm.c
@@ -395,7 +395,7 @@ static struct dma_chunk * dma_find_chunk(struct ps3_dma_region *r,
 {
 	struct dma_chunk *c;
 	unsigned long aligned_bus = ALIGN_DOWN(bus_addr, 1 << r->page_size);
-	unsigned long aligned_len = _ALIGN_UP(len+bus_addr-aligned_bus,
+	unsigned long aligned_len = ALIGN(len+bus_addr-aligned_bus,
 					      1 << r->page_size);
 
 	list_for_each_entry(c, &r->chunk_list.head, link) {
@@ -424,7 +424,7 @@ static struct dma_chunk *dma_find_chunk_lpar(struct ps3_dma_region *r,
 {
 	struct dma_chunk *c;
 	unsigned long aligned_lpar = ALIGN_DOWN(lpar_addr, 1 << r->page_size);
-	unsigned long aligned_len = _ALIGN_UP(len + lpar_addr - aligned_lpar,
+	unsigned long aligned_len = ALIGN(len + lpar_addr - aligned_lpar,
 					      1 << r->page_size);
 
 	list_for_each_entry(c, &r->chunk_list.head, link) {
@@ -776,7 +776,7 @@ static int dma_sb_map_area(struct ps3_dma_region *r, unsigned long virt_addr,
 	unsigned long phys_addr = is_kernel_addr(virt_addr) ? __pa(virt_addr)
 		: virt_addr;
 	unsigned long aligned_phys = ALIGN_DOWN(phys_addr, 1 << r->page_size);
-	unsigned long aligned_len = _ALIGN_UP(len + phys_addr - aligned_phys,
+	unsigned long aligned_len = ALIGN(len + phys_addr - aligned_phys,
 					      1 << r->page_size);
 	*bus_addr = dma_sb_lpar_to_bus(r, ps3_mm_phys_to_lpar(phys_addr));
 
@@ -831,7 +831,7 @@ static int dma_ioc0_map_area(struct ps3_dma_region *r, unsigned long virt_addr,
 	unsigned long phys_addr = is_kernel_addr(virt_addr) ? __pa(virt_addr)
 		: virt_addr;
 	unsigned long aligned_phys = ALIGN_DOWN(phys_addr, 1 << r->page_size);
-	unsigned long aligned_len = _ALIGN_UP(len + phys_addr - aligned_phys,
+	unsigned long aligned_len = ALIGN(len + phys_addr - aligned_phys,
 					      1 << r->page_size);
 
 	DBG(KERN_ERR "%s: vaddr=%#lx, len=%#lx\n", __func__,
@@ -891,7 +891,7 @@ static int dma_sb_unmap_area(struct ps3_dma_region *r, dma_addr_t bus_addr,
 	if (!c) {
 		unsigned long aligned_bus = ALIGN_DOWN(bus_addr,
 			1 << r->page_size);
-		unsigned long aligned_len = _ALIGN_UP(len + bus_addr
+		unsigned long aligned_len = ALIGN(len + bus_addr
 			- aligned_bus, 1 << r->page_size);
 		DBG("%s:%d: not found: bus_addr %llxh\n",
 			__func__, __LINE__, bus_addr);
@@ -928,7 +928,7 @@ static int dma_ioc0_unmap_area(struct ps3_dma_region *r,
 	if (!c) {
 		unsigned long aligned_bus = ALIGN_DOWN(bus_addr,
 							1 << r->page_size);
-		unsigned long aligned_len = _ALIGN_UP(len + bus_addr
+		unsigned long aligned_len = ALIGN(len + bus_addr
 						      - aligned_bus,
 						      1 << r->page_size);
 		DBG("%s:%d: not found: bus_addr %llxh\n",
@@ -974,7 +974,7 @@ static int dma_sb_region_create_linear(struct ps3_dma_region *r)
 			pr_info("%s:%d: forcing 16M pages for linear map\n",
 				__func__, __LINE__);
 			r->page_size = PS3_DMA_16M;
-			r->len = _ALIGN_UP(r->len, 1 << r->page_size);
+			r->len = ALIGN(r->len, 1 << r->page_size);
 		}
 	}
 
@@ -1125,7 +1125,7 @@ int ps3_dma_region_init(struct ps3_system_bus_device *dev,
 	r->offset = lpar_addr;
 	if (r->offset >= map.rm.size)
 		r->offset -= map.r1.offset;
-	r->len = len ? len : _ALIGN_UP(map.total, 1 << r->page_size);
+	r->len = len ? len : ALIGN(map.total, 1 << r->page_size);
 
 	switch (dev->dev_type) {
 	case PS3_DEVICE_TYPE_SB:
diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c
index b29368931c56..e9ae5dd03593 100644
--- a/arch/powerpc/platforms/ps3/setup.c
+++ b/arch/powerpc/platforms/ps3/setup.c
@@ -138,7 +138,7 @@ static int __init early_parse_ps3fb(char *p)
 	if (!p)
 		return 1;
 
-	ps3fb_videomemory.size = _ALIGN_UP(memparse(p, &p),
+	ps3fb_videomemory.size = ALIGN(memparse(p, &p),
 					   ps3fb_videomemory.align);
 	return 0;
 }
-- 
2.25.0

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^ permalink raw reply	[flat|nested] 12+ messages in thread

* [PATCH 4/5] powerpc: Replace _ALIGN() by ALIGN()
  2020-04-20 18:36 [PATCH 1/5] drivers/powerpc: Replace _ALIGN_UP() by ALIGN() Christophe Leroy
  2020-04-20 18:36 ` [PATCH 2/5] powerpc: Replace _ALIGN_DOWN() by ALIGN_DOWN() Christophe Leroy
  2020-04-20 18:36 ` [PATCH 3/5] powerpc: Replace _ALIGN_UP() by ALIGN() Christophe Leroy
@ 2020-04-20 18:36 ` Christophe Leroy
  2020-04-21  1:11   ` Joel Stanley
  2020-04-20 18:36 ` [PATCH 5/5] powerpc: Remove _ALIGN_UP(), _ALIGN_DOWN() and _ALIGN() Christophe Leroy
                   ` (2 subsequent siblings)
  5 siblings, 1 reply; 12+ messages in thread
From: Christophe Leroy @ 2020-04-20 18:36 UTC (permalink / raw)
  To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman
  Cc: alsa-devel, kvm, linux-kernel, dri-devel, linux-fbdev, linuxppc-dev

_ALIGN() is specific to powerpc
ALIGN() is generic and does the same

Replace _ALIGN() by ALIGN()

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
 arch/powerpc/include/asm/book3s/32/pgtable.h | 2 +-
 arch/powerpc/include/asm/nohash/32/pgtable.h | 2 +-
 arch/powerpc/kernel/prom_init.c              | 8 ++++----
 arch/powerpc/platforms/powermac/bootx_init.c | 4 ++--
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/powerpc/include/asm/book3s/32/pgtable.h b/arch/powerpc/include/asm/book3s/32/pgtable.h
index 53b5c93eaf5d..0d4bccb4b9f2 100644
--- a/arch/powerpc/include/asm/book3s/32/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/32/pgtable.h
@@ -188,7 +188,7 @@ int map_kernel_page(unsigned long va, phys_addr_t pa, pgprot_t prot);
  * memory shall not share segments.
  */
 #if defined(CONFIG_STRICT_KERNEL_RWX) && defined(CONFIG_MODULES)
-#define VMALLOC_START ((_ALIGN((long)high_memory, 256L << 20) + VMALLOC_OFFSET) & \
+#define VMALLOC_START ((ALIGN((long)high_memory, 256L << 20) + VMALLOC_OFFSET) & \
 		       ~(VMALLOC_OFFSET - 1))
 #else
 #define VMALLOC_START ((((long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)))
diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h
index 5b4d4c4297e1..4315d40906a0 100644
--- a/arch/powerpc/include/asm/nohash/32/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/32/pgtable.h
@@ -110,7 +110,7 @@ int map_kernel_page(unsigned long va, phys_addr_t pa, pgprot_t prot);
  */
 #define VMALLOC_OFFSET (0x1000000) /* 16M */
 #ifdef PPC_PIN_SIZE
-#define VMALLOC_START (((_ALIGN((long)high_memory, PPC_PIN_SIZE) + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)))
+#define VMALLOC_START (((ALIGN((long)high_memory, PPC_PIN_SIZE) + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)))
 #else
 #define VMALLOC_START ((((long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)))
 #endif
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 3a5a7db4564f..e3a9fde51c4f 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -2426,7 +2426,7 @@ static void __init *make_room(unsigned long *mem_start, unsigned long *mem_end,
 {
 	void *ret;
 
-	*mem_start = _ALIGN(*mem_start, align);
+	*mem_start = ALIGN(*mem_start, align);
 	while ((*mem_start + needed) > *mem_end) {
 		unsigned long room, chunk;
 
@@ -2562,7 +2562,7 @@ static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start,
 				*lp++ = *p;
 		}
 		*lp = 0;
-		*mem_start = _ALIGN((unsigned long)lp + 1, 4);
+		*mem_start = ALIGN((unsigned long)lp + 1, 4);
 	}
 
 	/* get it again for debugging */
@@ -2608,7 +2608,7 @@ static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start,
 		/* push property content */
 		valp = make_room(mem_start, mem_end, l, 4);
 		call_prom("getprop", 4, 1, node, pname, valp, l);
-		*mem_start = _ALIGN(*mem_start, 4);
+		*mem_start = ALIGN(*mem_start, 4);
 
 		if (!prom_strcmp(pname, "phandle"))
 			has_phandle = 1;
@@ -2667,7 +2667,7 @@ static void __init flatten_device_tree(void)
 		prom_panic ("couldn't get device tree root\n");
 
 	/* Build header and make room for mem rsv map */ 
-	mem_start = _ALIGN(mem_start, 4);
+	mem_start = ALIGN(mem_start, 4);
 	hdr = make_room(&mem_start, &mem_end,
 			sizeof(struct boot_param_header), 4);
 	dt_header_start = (unsigned long)hdr;
diff --git a/arch/powerpc/platforms/powermac/bootx_init.c b/arch/powerpc/platforms/powermac/bootx_init.c
index c3374a90952f..9d4ecd292255 100644
--- a/arch/powerpc/platforms/powermac/bootx_init.c
+++ b/arch/powerpc/platforms/powermac/bootx_init.c
@@ -386,7 +386,7 @@ static unsigned long __init bootx_flatten_dt(unsigned long start)
 	hdr->dt_strings_size = bootx_dt_strend - bootx_dt_strbase;
 
 	/* Build structure */
-	mem_end = _ALIGN(mem_end, 16);
+	mem_end = ALIGN(mem_end, 16);
 	DBG("Building device tree structure at: %x\n", mem_end);
 	hdr->off_dt_struct = mem_end - mem_start;
 	bootx_scan_dt_build_struct(base, 4, &mem_end);
@@ -404,7 +404,7 @@ static unsigned long __init bootx_flatten_dt(unsigned long start)
 	 * also bump mem_reserve_cnt to cause further reservations to
 	 * fail since it's too late.
 	 */
-	mem_end = _ALIGN(mem_end, PAGE_SIZE);
+	mem_end = ALIGN(mem_end, PAGE_SIZE);
 	DBG("End of boot params: %x\n", mem_end);
 	rsvmap[0] = mem_start;
 	rsvmap[1] = mem_end;
-- 
2.25.0

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^ permalink raw reply	[flat|nested] 12+ messages in thread

* [PATCH 5/5] powerpc: Remove _ALIGN_UP(), _ALIGN_DOWN() and _ALIGN()
  2020-04-20 18:36 [PATCH 1/5] drivers/powerpc: Replace _ALIGN_UP() by ALIGN() Christophe Leroy
                   ` (2 preceding siblings ...)
  2020-04-20 18:36 ` [PATCH 4/5] powerpc: Replace _ALIGN() " Christophe Leroy
@ 2020-04-20 18:36 ` Christophe Leroy
  2020-04-21  1:04   ` Joel Stanley
  2020-04-21  0:49 ` [PATCH 1/5] drivers/powerpc: Replace _ALIGN_UP() by ALIGN() Joel Stanley
  2020-05-20 10:59 ` Michael Ellerman
  5 siblings, 1 reply; 12+ messages in thread
From: Christophe Leroy @ 2020-04-20 18:36 UTC (permalink / raw)
  To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman
  Cc: alsa-devel, kvm, linux-kernel, dri-devel, linux-fbdev, linuxppc-dev

These three powerpc macros have been replaced by
equivalent generic macros and are not used anymore.

Remove them.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
 arch/powerpc/include/asm/page.h | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index 3ee8df0f66e0..a63fe6f3a0ff 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -249,13 +249,6 @@ static inline bool pfn_valid(unsigned long pfn)
 #include <asm/page_32.h>
 #endif
 
-/* align addr on a size boundary - adjust address up/down if needed */
-#define _ALIGN_UP(addr, size)   __ALIGN_KERNEL(addr, size)
-#define _ALIGN_DOWN(addr, size)	((addr)&(~((typeof(addr))(size)-1)))
-
-/* align addr on a size boundary - adjust address up if needed */
-#define _ALIGN(addr,size)     _ALIGN_UP(addr,size)
-
 /*
  * Don't compare things with KERNELBASE or PAGE_OFFSET to test for
  * "kernelness", use is_kernel_addr() - it should do what you want.
-- 
2.25.0

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^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH 1/5] drivers/powerpc: Replace _ALIGN_UP() by ALIGN()
  2020-04-20 18:36 [PATCH 1/5] drivers/powerpc: Replace _ALIGN_UP() by ALIGN() Christophe Leroy
                   ` (3 preceding siblings ...)
  2020-04-20 18:36 ` [PATCH 5/5] powerpc: Remove _ALIGN_UP(), _ALIGN_DOWN() and _ALIGN() Christophe Leroy
@ 2020-04-21  0:49 ` Joel Stanley
  2020-05-20 10:59 ` Michael Ellerman
  5 siblings, 0 replies; 12+ messages in thread
From: Joel Stanley @ 2020-04-21  0:49 UTC (permalink / raw)
  To: Christophe Leroy
  Cc: alsa-devel, kvm, Linux Kernel Mailing List, dri-devel,
	Paul Mackerras, linux-fbdev, Michael Ellerman, linuxppc-dev

On Mon, 20 Apr 2020 at 18:37, Christophe Leroy <christophe.leroy@c-s.fr> wrote:
>
> _ALIGN_UP() is specific to powerpc
> ALIGN() is generic and does the same
>
> Replace _ALIGN_UP() by ALIGN()
>
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>

I was curious, so I expanded out the kernel one. Here's the diff:

- (((addr)+((size)-1))&(~((typeof(addr))(size)-1)))
+ (((addr)+((typeof(addr))(size) - 1))&~((typeof(addr))(size)-1))

So it adds a cast, but aside from that it's the same.

Reviewed-by: Joel Stanley <joel@jms.id.au>

> ---
>  drivers/ps3/ps3-lpm.c               | 6 +++---
>  drivers/vfio/pci/vfio_pci_nvlink2.c | 2 +-
>  drivers/video/fbdev/ps3fb.c         | 4 ++--
>  sound/ppc/snd_ps3.c                 | 2 +-
>  4 files changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/ps3/ps3-lpm.c b/drivers/ps3/ps3-lpm.c
> index 83c45659bc9d..064b5884ba13 100644
> --- a/drivers/ps3/ps3-lpm.c
> +++ b/drivers/ps3/ps3-lpm.c
> @@ -1096,8 +1096,8 @@ int ps3_lpm_open(enum ps3_lpm_tb_type tb_type, void *tb_cache,
>                 lpm_priv->tb_cache_internal = NULL;
>                 lpm_priv->tb_cache = NULL;
>         } else if (tb_cache) {
> -               if (tb_cache != (void *)_ALIGN_UP((unsigned long)tb_cache, 128)
> -                       || tb_cache_size != _ALIGN_UP(tb_cache_size, 128)) {
> +               if (tb_cache != (void *)ALIGN((unsigned long)tb_cache, 128)
> +                       || tb_cache_size != ALIGN(tb_cache_size, 128)) {
>                         dev_err(sbd_core(), "%s:%u: unaligned tb_cache\n",
>                                 __func__, __LINE__);
>                         result = -EINVAL;
> @@ -1116,7 +1116,7 @@ int ps3_lpm_open(enum ps3_lpm_tb_type tb_type, void *tb_cache,
>                         result = -ENOMEM;
>                         goto fail_malloc;
>                 }
> -               lpm_priv->tb_cache = (void *)_ALIGN_UP(
> +               lpm_priv->tb_cache = (void *)ALIGN(
>                         (unsigned long)lpm_priv->tb_cache_internal, 128);
>         }
>
> diff --git a/drivers/vfio/pci/vfio_pci_nvlink2.c b/drivers/vfio/pci/vfio_pci_nvlink2.c
> index ed20d73cc27c..65c61710c0e9 100644
> --- a/drivers/vfio/pci/vfio_pci_nvlink2.c
> +++ b/drivers/vfio/pci/vfio_pci_nvlink2.c
> @@ -67,7 +67,7 @@ static size_t vfio_pci_nvgpu_rw(struct vfio_pci_device *vdev,
>          *
>          * This is not fast path anyway.
>          */
> -       sizealigned = _ALIGN_UP(posoff + count, PAGE_SIZE);
> +       sizealigned = ALIGN(posoff + count, PAGE_SIZE);
>         ptr = ioremap_cache(data->gpu_hpa + posaligned, sizealigned);
>         if (!ptr)
>                 return -EFAULT;
> diff --git a/drivers/video/fbdev/ps3fb.c b/drivers/video/fbdev/ps3fb.c
> index 834f63edf700..9df78fb77267 100644
> --- a/drivers/video/fbdev/ps3fb.c
> +++ b/drivers/video/fbdev/ps3fb.c
> @@ -44,7 +44,7 @@
>  #define GPU_CMD_BUF_SIZE                       (2 * 1024 * 1024)
>  #define GPU_FB_START                           (64 * 1024)
>  #define GPU_IOIF                               (0x0d000000UL)
> -#define GPU_ALIGN_UP(x)                                _ALIGN_UP((x), 64)
> +#define GPU_ALIGN_UP(x)                                ALIGN((x), 64)
>  #define GPU_MAX_LINE_LENGTH                    (65536 - 64)
>
>  #define GPU_INTR_STATUS_VSYNC_0                        0       /* vsync on head A */
> @@ -1015,7 +1015,7 @@ static int ps3fb_probe(struct ps3_system_bus_device *dev)
>         }
>  #endif
>
> -       max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
> +       max_ps3fb_size = ALIGN(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
>         if (ps3fb_videomemory.size > max_ps3fb_size) {
>                 dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n",
>                          max_ps3fb_size);
> diff --git a/sound/ppc/snd_ps3.c b/sound/ppc/snd_ps3.c
> index 6d2a33b8faa0..b8161a08f2ca 100644
> --- a/sound/ppc/snd_ps3.c
> +++ b/sound/ppc/snd_ps3.c
> @@ -926,7 +926,7 @@ static int snd_ps3_driver_probe(struct ps3_system_bus_device *dev)
>                             PAGE_SHIFT, /* use system page size */
>                             0, /* dma type; not used */
>                             NULL,
> -                           _ALIGN_UP(SND_PS3_DMA_REGION_SIZE, PAGE_SIZE));
> +                           ALIGN(SND_PS3_DMA_REGION_SIZE, PAGE_SIZE));
>         dev->d_region->ioid = PS3_AUDIO_IOID;
>
>         ret = ps3_dma_region_create(dev->d_region);
> --
> 2.25.0
>
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^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH 2/5] powerpc: Replace _ALIGN_DOWN() by ALIGN_DOWN()
  2020-04-20 18:36 ` [PATCH 2/5] powerpc: Replace _ALIGN_DOWN() by ALIGN_DOWN() Christophe Leroy
@ 2020-04-21  1:04   ` Joel Stanley
  2020-04-21 15:55     ` Segher Boessenkool
  0 siblings, 1 reply; 12+ messages in thread
From: Joel Stanley @ 2020-04-21  1:04 UTC (permalink / raw)
  To: Christophe Leroy
  Cc: linux-fbdev, kvm, Linux Kernel Mailing List, dri-devel,
	Paul Mackerras, Michael Ellerman, alsa-devel, linuxppc-dev

On Mon, 20 Apr 2020 at 18:38, Christophe Leroy <christophe.leroy@c-s.fr> wrote:
>
> _ALIGN_DOWN() is specific to powerpc
> ALIGN_DOWN() is generic and does the same
>
> Replace _ALIGN_DOWN() by ALIGN_DOWN()

This one is a bit less obvious. It becomes (leaving the typeof's alone
for clarity):

-((addr)&(~((typeof(addr))(size)-1)))
+((((addr) - ((size) - 1)) + ((typeof(addr))(size) - 1)) &
~((typeof(addr))(size)-1))

Which I assume the compiler will sort out?

Reviewed-by: Joel Stanley <joel@jms.id.au>




>
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
> ---
>  arch/powerpc/include/asm/book3s/32/pgtable.h |  2 +-
>  arch/powerpc/include/asm/nohash/32/pgtable.h |  2 +-
>  arch/powerpc/kernel/pci_64.c                 |  2 +-
>  arch/powerpc/kernel/prom.c                   |  6 +++---
>  arch/powerpc/kernel/prom_init.c              |  8 ++++----
>  arch/powerpc/mm/book3s64/hash_tlb.c          |  4 ++--
>  arch/powerpc/mm/init_64.c                    |  4 ++--
>  arch/powerpc/platforms/powernv/opal-fadump.c |  2 +-
>  arch/powerpc/platforms/powernv/pci-ioda.c    |  2 +-
>  arch/powerpc/platforms/ps3/mm.c              | 14 +++++++-------
>  arch/powerpc/platforms/pseries/rtas-fadump.c |  2 +-
>  11 files changed, 24 insertions(+), 24 deletions(-)
>
> diff --git a/arch/powerpc/include/asm/book3s/32/pgtable.h b/arch/powerpc/include/asm/book3s/32/pgtable.h
> index 7549393c4c43..53b5c93eaf5d 100644
> --- a/arch/powerpc/include/asm/book3s/32/pgtable.h
> +++ b/arch/powerpc/include/asm/book3s/32/pgtable.h
> @@ -195,7 +195,7 @@ int map_kernel_page(unsigned long va, phys_addr_t pa, pgprot_t prot);
>  #endif
>
>  #ifdef CONFIG_KASAN_VMALLOC
> -#define VMALLOC_END    _ALIGN_DOWN(ioremap_bot, PAGE_SIZE << KASAN_SHADOW_SCALE_SHIFT)
> +#define VMALLOC_END    ALIGN_DOWN(ioremap_bot, PAGE_SIZE << KASAN_SHADOW_SCALE_SHIFT)
>  #else
>  #define VMALLOC_END    ioremap_bot
>  #endif
> diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h
> index b04ba257fddb..5b4d4c4297e1 100644
> --- a/arch/powerpc/include/asm/nohash/32/pgtable.h
> +++ b/arch/powerpc/include/asm/nohash/32/pgtable.h
> @@ -116,7 +116,7 @@ int map_kernel_page(unsigned long va, phys_addr_t pa, pgprot_t prot);
>  #endif
>
>  #ifdef CONFIG_KASAN_VMALLOC
> -#define VMALLOC_END    _ALIGN_DOWN(ioremap_bot, PAGE_SIZE << KASAN_SHADOW_SCALE_SHIFT)
> +#define VMALLOC_END    ALIGN_DOWN(ioremap_bot, PAGE_SIZE << KASAN_SHADOW_SCALE_SHIFT)
>  #else
>  #define VMALLOC_END    ioremap_bot
>  #endif
> diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
> index f83d1f69b1dd..e5d05af5a9af 100644
> --- a/arch/powerpc/kernel/pci_64.c
> +++ b/arch/powerpc/kernel/pci_64.c
> @@ -130,7 +130,7 @@ static int pcibios_map_phb_io_space(struct pci_controller *hose)
>         unsigned long size_page;
>         unsigned long io_virt_offset;
>
> -       phys_page = _ALIGN_DOWN(hose->io_base_phys, PAGE_SIZE);
> +       phys_page = ALIGN_DOWN(hose->io_base_phys, PAGE_SIZE);
>         size_page = _ALIGN_UP(hose->pci_io_size, PAGE_SIZE);
>
>         /* Make sure IO area address is clear */
> diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
> index 6620f37abe73..10b5d5eafd34 100644
> --- a/arch/powerpc/kernel/prom.c
> +++ b/arch/powerpc/kernel/prom.c
> @@ -96,7 +96,7 @@ static inline int overlaps_initrd(unsigned long start, unsigned long size)
>         if (!initrd_start)
>                 return 0;
>
> -       return  (start + size) > _ALIGN_DOWN(initrd_start, PAGE_SIZE) &&
> +       return  (start + size) > ALIGN_DOWN(initrd_start, PAGE_SIZE) &&
>                         start <= _ALIGN_UP(initrd_end, PAGE_SIZE);
>  #else
>         return 0;
> @@ -623,9 +623,9 @@ static void __init early_reserve_mem(void)
>  #ifdef CONFIG_BLK_DEV_INITRD
>         /* Then reserve the initrd, if any */
>         if (initrd_start && (initrd_end > initrd_start)) {
> -               memblock_reserve(_ALIGN_DOWN(__pa(initrd_start), PAGE_SIZE),
> +               memblock_reserve(ALIGN_DOWN(__pa(initrd_start), PAGE_SIZE),
>                         _ALIGN_UP(initrd_end, PAGE_SIZE) -
> -                       _ALIGN_DOWN(initrd_start, PAGE_SIZE));
> +                       ALIGN_DOWN(initrd_start, PAGE_SIZE));
>         }
>  #endif /* CONFIG_BLK_DEV_INITRD */
>
> diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
> index 806be751c336..4cf5958eebd4 100644
> --- a/arch/powerpc/kernel/prom_init.c
> +++ b/arch/powerpc/kernel/prom_init.c
> @@ -1500,7 +1500,7 @@ static unsigned long __init alloc_down(unsigned long size, unsigned long align,
>
>         if (highmem) {
>                 /* Carve out storage for the TCE table. */
> -               addr = _ALIGN_DOWN(alloc_top_high - size, align);
> +               addr = ALIGN_DOWN(alloc_top_high - size, align);
>                 if (addr <= alloc_bottom)
>                         return 0;
>                 /* Will we bump into the RMO ? If yes, check out that we
> @@ -1518,9 +1518,9 @@ static unsigned long __init alloc_down(unsigned long size, unsigned long align,
>                 goto bail;
>         }
>
> -       base = _ALIGN_DOWN(alloc_top - size, align);
> +       base = ALIGN_DOWN(alloc_top - size, align);
>         for (; base > alloc_bottom;
> -            base = _ALIGN_DOWN(base - 0x100000, align))  {
> +            base = ALIGN_DOWN(base - 0x100000, align))  {
>                 prom_debug("    trying: 0x%lx\n\r", base);
>                 addr = (unsigned long)prom_claim(base, size, 0);
>                 if (addr != PROM_ERROR && addr != 0)
> @@ -1586,7 +1586,7 @@ static void __init reserve_mem(u64 base, u64 size)
>          * have our terminator with "size" set to 0 since we are
>          * dumb and just copy this entire array to the boot params
>          */
> -       base = _ALIGN_DOWN(base, PAGE_SIZE);
> +       base = ALIGN_DOWN(base, PAGE_SIZE);
>         top = _ALIGN_UP(top, PAGE_SIZE);
>         size = top - base;
>
> diff --git a/arch/powerpc/mm/book3s64/hash_tlb.c b/arch/powerpc/mm/book3s64/hash_tlb.c
> index 4a70d8dd39cd..2242d022b620 100644
> --- a/arch/powerpc/mm/book3s64/hash_tlb.c
> +++ b/arch/powerpc/mm/book3s64/hash_tlb.c
> @@ -196,7 +196,7 @@ void __flush_hash_table_range(struct mm_struct *mm, unsigned long start,
>         int hugepage_shift;
>         unsigned long flags;
>
> -       start = _ALIGN_DOWN(start, PAGE_SIZE);
> +       start = ALIGN_DOWN(start, PAGE_SIZE);
>         end = _ALIGN_UP(end, PAGE_SIZE);
>
>         BUG_ON(!mm->pgd);
> @@ -238,7 +238,7 @@ void flush_tlb_pmd_range(struct mm_struct *mm, pmd_t *pmd, unsigned long addr)
>         pte_t *start_pte;
>         unsigned long flags;
>
> -       addr = _ALIGN_DOWN(addr, PMD_SIZE);
> +       addr = ALIGN_DOWN(addr, PMD_SIZE);
>         /*
>          * Note: Normally, we should only ever use a batch within a
>          * PTE locked section. This violates the rule, but will work
> diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
> index 4002ced3596f..c7ce4ec5060e 100644
> --- a/arch/powerpc/mm/init_64.c
> +++ b/arch/powerpc/mm/init_64.c
> @@ -203,7 +203,7 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
>         unsigned long page_size = 1 << mmu_psize_defs[mmu_vmemmap_psize].shift;
>
>         /* Align to the page size of the linear mapping. */
> -       start = _ALIGN_DOWN(start, page_size);
> +       start = ALIGN_DOWN(start, page_size);
>
>         pr_debug("vmemmap_populate %lx..%lx, node %d\n", start, end, node);
>
> @@ -292,7 +292,7 @@ void __ref vmemmap_free(unsigned long start, unsigned long end,
>         unsigned long alt_start = ~0, alt_end = ~0;
>         unsigned long base_pfn;
>
> -       start = _ALIGN_DOWN(start, page_size);
> +       start = ALIGN_DOWN(start, page_size);
>         if (altmap) {
>                 alt_start = altmap->base_pfn;
>                 alt_end = altmap->base_pfn + altmap->reserve +
> diff --git a/arch/powerpc/platforms/powernv/opal-fadump.c b/arch/powerpc/platforms/powernv/opal-fadump.c
> index d361d37d975f..9a360ced663b 100644
> --- a/arch/powerpc/platforms/powernv/opal-fadump.c
> +++ b/arch/powerpc/platforms/powernv/opal-fadump.c
> @@ -671,7 +671,7 @@ void __init opal_fadump_dt_scan(struct fw_dump *fadump_conf, u64 node)
>          * Firmware supports 32-bit field for size. Align it to PAGE_SIZE
>          * and request firmware to copy multiple kernel boot memory regions.
>          */
> -       fadump_conf->max_copy_size = _ALIGN_DOWN(U32_MAX, PAGE_SIZE);
> +       fadump_conf->max_copy_size = ALIGN_DOWN(U32_MAX, PAGE_SIZE);
>
>         /*
>          * Check if dump has been initiated on last reboot.
> diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
> index 57d3a6af1d52..276b011cd45d 100644
> --- a/arch/powerpc/platforms/powernv/pci-ioda.c
> +++ b/arch/powerpc/platforms/powernv/pci-ioda.c
> @@ -264,7 +264,7 @@ static void pnv_ioda_reserve_dev_m64_pe(struct pci_dev *pdev,
>                 if (!r->parent || !pnv_pci_is_m64(phb, r))
>                         continue;
>
> -               start = _ALIGN_DOWN(r->start - base, sgsz);
> +               start = ALIGN_DOWN(r->start - base, sgsz);
>                 end = _ALIGN_UP(r->end - base, sgsz);
>                 for (segno = start / sgsz; segno < end / sgsz; segno++) {
>                         if (pe_bitmap)
> diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
> index 423be34f0f5f..71ed37f7f475 100644
> --- a/arch/powerpc/platforms/ps3/mm.c
> +++ b/arch/powerpc/platforms/ps3/mm.c
> @@ -263,7 +263,7 @@ static int ps3_mm_region_create(struct mem_region *r, unsigned long size)
>         int result;
>         u64 muid;
>
> -       r->size = _ALIGN_DOWN(size, 1 << PAGE_SHIFT_16M);
> +       r->size = ALIGN_DOWN(size, 1 << PAGE_SHIFT_16M);
>
>         DBG("%s:%d requested  %lxh\n", __func__, __LINE__, size);
>         DBG("%s:%d actual     %llxh\n", __func__, __LINE__, r->size);
> @@ -394,7 +394,7 @@ static struct dma_chunk * dma_find_chunk(struct ps3_dma_region *r,
>         unsigned long bus_addr, unsigned long len)
>  {
>         struct dma_chunk *c;
> -       unsigned long aligned_bus = _ALIGN_DOWN(bus_addr, 1 << r->page_size);
> +       unsigned long aligned_bus = ALIGN_DOWN(bus_addr, 1 << r->page_size);
>         unsigned long aligned_len = _ALIGN_UP(len+bus_addr-aligned_bus,
>                                               1 << r->page_size);
>
> @@ -423,7 +423,7 @@ static struct dma_chunk *dma_find_chunk_lpar(struct ps3_dma_region *r,
>         unsigned long lpar_addr, unsigned long len)
>  {
>         struct dma_chunk *c;
> -       unsigned long aligned_lpar = _ALIGN_DOWN(lpar_addr, 1 << r->page_size);
> +       unsigned long aligned_lpar = ALIGN_DOWN(lpar_addr, 1 << r->page_size);
>         unsigned long aligned_len = _ALIGN_UP(len + lpar_addr - aligned_lpar,
>                                               1 << r->page_size);
>
> @@ -775,7 +775,7 @@ static int dma_sb_map_area(struct ps3_dma_region *r, unsigned long virt_addr,
>         struct dma_chunk *c;
>         unsigned long phys_addr = is_kernel_addr(virt_addr) ? __pa(virt_addr)
>                 : virt_addr;
> -       unsigned long aligned_phys = _ALIGN_DOWN(phys_addr, 1 << r->page_size);
> +       unsigned long aligned_phys = ALIGN_DOWN(phys_addr, 1 << r->page_size);
>         unsigned long aligned_len = _ALIGN_UP(len + phys_addr - aligned_phys,
>                                               1 << r->page_size);
>         *bus_addr = dma_sb_lpar_to_bus(r, ps3_mm_phys_to_lpar(phys_addr));
> @@ -830,7 +830,7 @@ static int dma_ioc0_map_area(struct ps3_dma_region *r, unsigned long virt_addr,
>         struct dma_chunk *c;
>         unsigned long phys_addr = is_kernel_addr(virt_addr) ? __pa(virt_addr)
>                 : virt_addr;
> -       unsigned long aligned_phys = _ALIGN_DOWN(phys_addr, 1 << r->page_size);
> +       unsigned long aligned_phys = ALIGN_DOWN(phys_addr, 1 << r->page_size);
>         unsigned long aligned_len = _ALIGN_UP(len + phys_addr - aligned_phys,
>                                               1 << r->page_size);
>
> @@ -889,7 +889,7 @@ static int dma_sb_unmap_area(struct ps3_dma_region *r, dma_addr_t bus_addr,
>         c = dma_find_chunk(r, bus_addr, len);
>
>         if (!c) {
> -               unsigned long aligned_bus = _ALIGN_DOWN(bus_addr,
> +               unsigned long aligned_bus = ALIGN_DOWN(bus_addr,
>                         1 << r->page_size);
>                 unsigned long aligned_len = _ALIGN_UP(len + bus_addr
>                         - aligned_bus, 1 << r->page_size);
> @@ -926,7 +926,7 @@ static int dma_ioc0_unmap_area(struct ps3_dma_region *r,
>         c = dma_find_chunk(r, bus_addr, len);
>
>         if (!c) {
> -               unsigned long aligned_bus = _ALIGN_DOWN(bus_addr,
> +               unsigned long aligned_bus = ALIGN_DOWN(bus_addr,
>                                                         1 << r->page_size);
>                 unsigned long aligned_len = _ALIGN_UP(len + bus_addr
>                                                       - aligned_bus,
> diff --git a/arch/powerpc/platforms/pseries/rtas-fadump.c b/arch/powerpc/platforms/pseries/rtas-fadump.c
> index 70c3013fdd07..81343908ed33 100644
> --- a/arch/powerpc/platforms/pseries/rtas-fadump.c
> +++ b/arch/powerpc/platforms/pseries/rtas-fadump.c
> @@ -506,7 +506,7 @@ void __init rtas_fadump_dt_scan(struct fw_dump *fadump_conf, u64 node)
>         fadump_conf->fadump_supported   = 1;
>
>         /* Firmware supports 64-bit value for size, align it to pagesize. */
> -       fadump_conf->max_copy_size = _ALIGN_DOWN(U64_MAX, PAGE_SIZE);
> +       fadump_conf->max_copy_size = ALIGN_DOWN(U64_MAX, PAGE_SIZE);
>
>         /*
>          * The 'ibm,kernel-dump' rtas node is present only if there is
> --
> 2.25.0
>
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^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH 3/5] powerpc: Replace _ALIGN_UP() by ALIGN()
  2020-04-20 18:36 ` [PATCH 3/5] powerpc: Replace _ALIGN_UP() by ALIGN() Christophe Leroy
@ 2020-04-21  1:04   ` Joel Stanley
  0 siblings, 0 replies; 12+ messages in thread
From: Joel Stanley @ 2020-04-21  1:04 UTC (permalink / raw)
  To: Christophe Leroy
  Cc: linux-fbdev, kvm, Linux Kernel Mailing List, dri-devel,
	Paul Mackerras, Michael Ellerman, alsa-devel, linuxppc-dev

On Mon, 20 Apr 2020 at 18:39, Christophe Leroy <christophe.leroy@c-s.fr> wrote:
>
> _ALIGN_UP() is specific to powerpc
> ALIGN() is generic and does the same
>
> Replace _ALIGN_UP() by ALIGN()
>
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>

Reviewed-by: Joel Stanley <joel@jms.id.au>

> ---
>  arch/powerpc/include/asm/iommu.h             |  4 ++--
>  arch/powerpc/kernel/head_booke.h             |  2 +-
>  arch/powerpc/kernel/nvram_64.c               |  4 ++--
>  arch/powerpc/kernel/pci_64.c                 |  2 +-
>  arch/powerpc/kernel/prom.c                   |  4 ++--
>  arch/powerpc/kernel/prom_init.c              |  8 ++++----
>  arch/powerpc/kvm/book3s_64_vio_hv.c          |  2 +-
>  arch/powerpc/mm/book3s64/hash_tlb.c          |  2 +-
>  arch/powerpc/mm/book3s64/radix_pgtable.c     |  2 +-
>  arch/powerpc/mm/slice.c                      |  2 +-
>  arch/powerpc/platforms/cell/iommu.c          |  6 +++---
>  arch/powerpc/platforms/powermac/bootx_init.c | 10 +++++-----
>  arch/powerpc/platforms/powernv/pci-ioda.c    |  8 ++++----
>  arch/powerpc/platforms/ps3/mm.c              | 16 ++++++++--------
>  arch/powerpc/platforms/ps3/setup.c           |  2 +-
>  15 files changed, 37 insertions(+), 37 deletions(-)
>
> diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h
> index 350101e11ddb..5032f1593299 100644
> --- a/arch/powerpc/include/asm/iommu.h
> +++ b/arch/powerpc/include/asm/iommu.h
> @@ -22,11 +22,11 @@
>  #define IOMMU_PAGE_SHIFT_4K      12
>  #define IOMMU_PAGE_SIZE_4K       (ASM_CONST(1) << IOMMU_PAGE_SHIFT_4K)
>  #define IOMMU_PAGE_MASK_4K       (~((1 << IOMMU_PAGE_SHIFT_4K) - 1))
> -#define IOMMU_PAGE_ALIGN_4K(addr) _ALIGN_UP(addr, IOMMU_PAGE_SIZE_4K)
> +#define IOMMU_PAGE_ALIGN_4K(addr) ALIGN(addr, IOMMU_PAGE_SIZE_4K)
>
>  #define IOMMU_PAGE_SIZE(tblptr) (ASM_CONST(1) << (tblptr)->it_page_shift)
>  #define IOMMU_PAGE_MASK(tblptr) (~((1 << (tblptr)->it_page_shift) - 1))
> -#define IOMMU_PAGE_ALIGN(addr, tblptr) _ALIGN_UP(addr, IOMMU_PAGE_SIZE(tblptr))
> +#define IOMMU_PAGE_ALIGN(addr, tblptr) ALIGN(addr, IOMMU_PAGE_SIZE(tblptr))
>
>  /* Boot time flags */
>  extern int iommu_is_off;
> diff --git a/arch/powerpc/kernel/head_booke.h b/arch/powerpc/kernel/head_booke.h
> index bd2e5ed8dd50..18f87bf9e32b 100644
> --- a/arch/powerpc/kernel/head_booke.h
> +++ b/arch/powerpc/kernel/head_booke.h
> @@ -534,7 +534,7 @@ struct exception_regs {
>  };
>
>  /* ensure this structure is always sized to a multiple of the stack alignment */
> -#define STACK_EXC_LVL_FRAME_SIZE       _ALIGN_UP(sizeof (struct exception_regs), 16)
> +#define STACK_EXC_LVL_FRAME_SIZE       ALIGN(sizeof (struct exception_regs), 16)
>
>  #endif /* __ASSEMBLY__ */
>  #endif /* __HEAD_BOOKE_H__ */
> diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c
> index fb4f61096613..314780e8ef78 100644
> --- a/arch/powerpc/kernel/nvram_64.c
> +++ b/arch/powerpc/kernel/nvram_64.c
> @@ -854,8 +854,8 @@ loff_t __init nvram_create_partition(const char *name, int sig,
>         BUILD_BUG_ON(NVRAM_BLOCK_LEN != 16);
>
>         /* Convert sizes from bytes to blocks */
> -       req_size = _ALIGN_UP(req_size, NVRAM_BLOCK_LEN) / NVRAM_BLOCK_LEN;
> -       min_size = _ALIGN_UP(min_size, NVRAM_BLOCK_LEN) / NVRAM_BLOCK_LEN;
> +       req_size = ALIGN(req_size, NVRAM_BLOCK_LEN) / NVRAM_BLOCK_LEN;
> +       min_size = ALIGN(min_size, NVRAM_BLOCK_LEN) / NVRAM_BLOCK_LEN;
>
>         /* If no minimum size specified, make it the same as the
>          * requested size
> diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
> index e5d05af5a9af..ff8e3fbdf663 100644
> --- a/arch/powerpc/kernel/pci_64.c
> +++ b/arch/powerpc/kernel/pci_64.c
> @@ -131,7 +131,7 @@ static int pcibios_map_phb_io_space(struct pci_controller *hose)
>         unsigned long io_virt_offset;
>
>         phys_page = ALIGN_DOWN(hose->io_base_phys, PAGE_SIZE);
> -       size_page = _ALIGN_UP(hose->pci_io_size, PAGE_SIZE);
> +       size_page = ALIGN(hose->pci_io_size, PAGE_SIZE);
>
>         /* Make sure IO area address is clear */
>         hose->io_base_alloc = NULL;
> diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
> index 10b5d5eafd34..1dcf0e214a22 100644
> --- a/arch/powerpc/kernel/prom.c
> +++ b/arch/powerpc/kernel/prom.c
> @@ -97,7 +97,7 @@ static inline int overlaps_initrd(unsigned long start, unsigned long size)
>                 return 0;
>
>         return  (start + size) > ALIGN_DOWN(initrd_start, PAGE_SIZE) &&
> -                       start <= _ALIGN_UP(initrd_end, PAGE_SIZE);
> +                       start <= ALIGN(initrd_end, PAGE_SIZE);
>  #else
>         return 0;
>  #endif
> @@ -624,7 +624,7 @@ static void __init early_reserve_mem(void)
>         /* Then reserve the initrd, if any */
>         if (initrd_start && (initrd_end > initrd_start)) {
>                 memblock_reserve(ALIGN_DOWN(__pa(initrd_start), PAGE_SIZE),
> -                       _ALIGN_UP(initrd_end, PAGE_SIZE) -
> +                       ALIGN(initrd_end, PAGE_SIZE) -
>                         ALIGN_DOWN(initrd_start, PAGE_SIZE));
>         }
>  #endif /* CONFIG_BLK_DEV_INITRD */
> diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
> index 4cf5958eebd4..3a5a7db4564f 100644
> --- a/arch/powerpc/kernel/prom_init.c
> +++ b/arch/powerpc/kernel/prom_init.c
> @@ -1449,18 +1449,18 @@ static unsigned long __init alloc_up(unsigned long size, unsigned long align)
>         unsigned long addr = 0;
>
>         if (align)
> -               base = _ALIGN_UP(base, align);
> +               base = ALIGN(base, align);
>         prom_debug("%s(%lx, %lx)\n", __func__, size, align);
>         if (ram_top == 0)
>                 prom_panic("alloc_up() called with mem not initialized\n");
>
>         if (align)
> -               base = _ALIGN_UP(alloc_bottom, align);
> +               base = ALIGN(alloc_bottom, align);
>         else
>                 base = alloc_bottom;
>
>         for(; (base + size) <= alloc_top;
> -           base = _ALIGN_UP(base + 0x100000, align)) {
> +           base = ALIGN(base + 0x100000, align)) {
>                 prom_debug("    trying: 0x%lx\n\r", base);
>                 addr = (unsigned long)prom_claim(base, size, 0);
>                 if (addr != PROM_ERROR && addr != 0)
> @@ -1587,7 +1587,7 @@ static void __init reserve_mem(u64 base, u64 size)
>          * dumb and just copy this entire array to the boot params
>          */
>         base = ALIGN_DOWN(base, PAGE_SIZE);
> -       top = _ALIGN_UP(top, PAGE_SIZE);
> +       top = ALIGN(top, PAGE_SIZE);
>         size = top - base;
>
>         if (cnt >= (MEM_RESERVE_MAP_SIZE - 1))
> diff --git a/arch/powerpc/kvm/book3s_64_vio_hv.c b/arch/powerpc/kvm/book3s_64_vio_hv.c
> index 6fcaf1fa8e02..2d231eb5884a 100644
> --- a/arch/powerpc/kvm/book3s_64_vio_hv.c
> +++ b/arch/powerpc/kvm/book3s_64_vio_hv.c
> @@ -208,7 +208,7 @@ static long kvmppc_rm_ioba_validate(struct kvmppc_spapr_tce_table *stt,
>
>         idx = (ioba >> stt->page_shift) - stt->offset;
>         sttpage = idx / TCES_PER_PAGE;
> -       sttpages = _ALIGN_UP(idx % TCES_PER_PAGE + npages, TCES_PER_PAGE) /
> +       sttpages = ALIGN(idx % TCES_PER_PAGE + npages, TCES_PER_PAGE) /
>                         TCES_PER_PAGE;
>         for (i = sttpage; i < sttpage + sttpages; ++i)
>                 if (!stt->pages[i])
> diff --git a/arch/powerpc/mm/book3s64/hash_tlb.c b/arch/powerpc/mm/book3s64/hash_tlb.c
> index 2242d022b620..081940b85e24 100644
> --- a/arch/powerpc/mm/book3s64/hash_tlb.c
> +++ b/arch/powerpc/mm/book3s64/hash_tlb.c
> @@ -197,7 +197,7 @@ void __flush_hash_table_range(struct mm_struct *mm, unsigned long start,
>         unsigned long flags;
>
>         start = ALIGN_DOWN(start, PAGE_SIZE);
> -       end = _ALIGN_UP(end, PAGE_SIZE);
> +       end = ALIGN(end, PAGE_SIZE);
>
>         BUG_ON(!mm->pgd);
>
> diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c
> index 8f9edf07063a..4bdfc8dff87d 100644
> --- a/arch/powerpc/mm/book3s64/radix_pgtable.c
> +++ b/arch/powerpc/mm/book3s64/radix_pgtable.c
> @@ -261,7 +261,7 @@ static int __meminit create_physical_mapping(unsigned long start,
>         pgprot_t prot;
>         int psize;
>
> -       start = _ALIGN_UP(start, PAGE_SIZE);
> +       start = ALIGN(start, PAGE_SIZE);
>         for (addr = start; addr < end; addr += mapping_size) {
>                 unsigned long gap, previous_size;
>                 int rc;
> diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c
> index dffe1a45b6ed..82b45b1cb973 100644
> --- a/arch/powerpc/mm/slice.c
> +++ b/arch/powerpc/mm/slice.c
> @@ -478,7 +478,7 @@ unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len,
>
>         /* If hint, make sure it matches our alignment restrictions */
>         if (!fixed && addr) {
> -               addr = _ALIGN_UP(addr, page_size);
> +               addr = ALIGN(addr, page_size);
>                 slice_dbg(" aligned addr=%lx\n", addr);
>                 /* Ignore hint if it's too large or overlaps a VMA */
>                 if (addr > high_limit - len || addr < mmap_min_addr ||
> diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
> index ca9ffc1c8685..2124831cf57c 100644
> --- a/arch/powerpc/platforms/cell/iommu.c
> +++ b/arch/powerpc/platforms/cell/iommu.c
> @@ -943,7 +943,7 @@ static int __init cell_iommu_fixed_mapping_init(void)
>                 fbase = max(fbase, dbase + dsize);
>         }
>
> -       fbase = _ALIGN_UP(fbase, 1 << IO_SEGMENT_SHIFT);
> +       fbase = ALIGN(fbase, 1 << IO_SEGMENT_SHIFT);
>         fsize = memblock_phys_mem_size();
>
>         if ((fbase + fsize) <= 0x800000000ul)
> @@ -963,8 +963,8 @@ static int __init cell_iommu_fixed_mapping_init(void)
>                 hend  = hbase + htab_size_bytes;
>
>                 /* The window must start and end on a segment boundary */
> -               if ((hbase != _ALIGN_UP(hbase, 1 << IO_SEGMENT_SHIFT)) ||
> -                   (hend != _ALIGN_UP(hend, 1 << IO_SEGMENT_SHIFT))) {
> +               if ((hbase != ALIGN(hbase, 1 << IO_SEGMENT_SHIFT)) ||
> +                   (hend != ALIGN(hend, 1 << IO_SEGMENT_SHIFT))) {
>                         pr_debug("iommu: hash window not segment aligned\n");
>                         return -1;
>                 }
> diff --git a/arch/powerpc/platforms/powermac/bootx_init.c b/arch/powerpc/platforms/powermac/bootx_init.c
> index af309ee99114..c3374a90952f 100644
> --- a/arch/powerpc/platforms/powermac/bootx_init.c
> +++ b/arch/powerpc/platforms/powermac/bootx_init.c
> @@ -108,7 +108,7 @@ static void * __init bootx_early_getprop(unsigned long base,
>
>  #define dt_push_token(token, mem) \
>         do { \
> -               *(mem) = _ALIGN_UP(*(mem),4); \
> +               *(mem) = ALIGN(*(mem),4); \
>                 *((u32 *)*(mem)) = token; \
>                 *(mem) += 4; \
>         } while(0)
> @@ -150,7 +150,7 @@ static void __init bootx_dt_add_prop(char *name, void *data, int size,
>         /* push property content */
>         if (size && data) {
>                 memcpy((void *)*mem_end, data, size);
> -               *mem_end = _ALIGN_UP(*mem_end + size, 4);
> +               *mem_end = ALIGN(*mem_end + size, 4);
>         }
>  }
>
> @@ -303,7 +303,7 @@ static void __init bootx_scan_dt_build_struct(unsigned long base,
>                         *lp++ = *p;
>         }
>         *lp = 0;
> -       *mem_end = _ALIGN_UP((unsigned long)lp + 1, 4);
> +       *mem_end = ALIGN((unsigned long)lp + 1, 4);
>
>         /* get and store all properties */
>         while (*ppp) {
> @@ -356,11 +356,11 @@ static unsigned long __init bootx_flatten_dt(unsigned long start)
>         /* Start using memory after the big blob passed by BootX, get
>          * some space for the header
>          */
> -       mem_start = mem_end = _ALIGN_UP(((unsigned long)bi) + start, 4);
> +       mem_start = mem_end = ALIGN(((unsigned long)bi) + start, 4);
>         DBG("Boot params header at: %x\n", mem_start);
>         hdr = (struct boot_param_header *)mem_start;
>         mem_end += sizeof(struct boot_param_header);
> -       rsvmap = (u64 *)(_ALIGN_UP(mem_end, 8));
> +       rsvmap = (u64 *)(ALIGN(mem_end, 8));
>         hdr->off_mem_rsvmap = ((unsigned long)rsvmap) - mem_start;
>         mem_end = ((unsigned long)rsvmap) + 8 * sizeof(u64);
>
> diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
> index 276b011cd45d..d1a16ebc31bb 100644
> --- a/arch/powerpc/platforms/powernv/pci-ioda.c
> +++ b/arch/powerpc/platforms/powernv/pci-ioda.c
> @@ -265,7 +265,7 @@ static void pnv_ioda_reserve_dev_m64_pe(struct pci_dev *pdev,
>                         continue;
>
>                 start = ALIGN_DOWN(r->start - base, sgsz);
> -               end = _ALIGN_UP(r->end - base, sgsz);
> +               end = ALIGN(r->end - base, sgsz);
>                 for (segno = start / sgsz; segno < end / sgsz; segno++) {
>                         if (pe_bitmap)
>                                 set_bit(segno, pe_bitmap);
> @@ -361,7 +361,7 @@ static struct pnv_ioda_pe *pnv_ioda_pick_m64_pe(struct pci_bus *bus, bool all)
>                 return NULL;
>
>         /* Allocate bitmap */
> -       size = _ALIGN_UP(phb->ioda.total_pe_num / 8, sizeof(unsigned long));
> +       size = ALIGN(phb->ioda.total_pe_num / 8, sizeof(unsigned long));
>         pe_alloc = kzalloc(size, GFP_KERNEL);
>         if (!pe_alloc) {
>                 pr_warn("%s: Out of memory !\n",
> @@ -2537,7 +2537,7 @@ unsigned long pnv_pci_ioda2_get_table_size(__u32 page_shift,
>         direct_table_size =  1UL << table_shift;
>
>         for ( ; levels; --levels) {
> -               bytes += _ALIGN_UP(tce_table_size, direct_table_size);
> +               bytes += ALIGN(tce_table_size, direct_table_size);
>
>                 tce_table_size /= direct_table_size;
>                 tce_table_size <<= 3;
> @@ -3863,7 +3863,7 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np,
>                                 PNV_IODA1_DMA32_SEGSIZE;
>
>         /* Allocate aux data & arrays. We don't have IO ports on PHB3 */
> -       size = _ALIGN_UP(max_t(unsigned, phb->ioda.total_pe_num, 8) / 8,
> +       size = ALIGN(max_t(unsigned, phb->ioda.total_pe_num, 8) / 8,
>                         sizeof(unsigned long));
>         m64map_off = size;
>         size += phb->ioda.total_pe_num * sizeof(phb->ioda.m64_segmap[0]);
> diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
> index 71ed37f7f475..b83f2c851b40 100644
> --- a/arch/powerpc/platforms/ps3/mm.c
> +++ b/arch/powerpc/platforms/ps3/mm.c
> @@ -395,7 +395,7 @@ static struct dma_chunk * dma_find_chunk(struct ps3_dma_region *r,
>  {
>         struct dma_chunk *c;
>         unsigned long aligned_bus = ALIGN_DOWN(bus_addr, 1 << r->page_size);
> -       unsigned long aligned_len = _ALIGN_UP(len+bus_addr-aligned_bus,
> +       unsigned long aligned_len = ALIGN(len+bus_addr-aligned_bus,
>                                               1 << r->page_size);
>
>         list_for_each_entry(c, &r->chunk_list.head, link) {
> @@ -424,7 +424,7 @@ static struct dma_chunk *dma_find_chunk_lpar(struct ps3_dma_region *r,
>  {
>         struct dma_chunk *c;
>         unsigned long aligned_lpar = ALIGN_DOWN(lpar_addr, 1 << r->page_size);
> -       unsigned long aligned_len = _ALIGN_UP(len + lpar_addr - aligned_lpar,
> +       unsigned long aligned_len = ALIGN(len + lpar_addr - aligned_lpar,
>                                               1 << r->page_size);
>
>         list_for_each_entry(c, &r->chunk_list.head, link) {
> @@ -776,7 +776,7 @@ static int dma_sb_map_area(struct ps3_dma_region *r, unsigned long virt_addr,
>         unsigned long phys_addr = is_kernel_addr(virt_addr) ? __pa(virt_addr)
>                 : virt_addr;
>         unsigned long aligned_phys = ALIGN_DOWN(phys_addr, 1 << r->page_size);
> -       unsigned long aligned_len = _ALIGN_UP(len + phys_addr - aligned_phys,
> +       unsigned long aligned_len = ALIGN(len + phys_addr - aligned_phys,
>                                               1 << r->page_size);
>         *bus_addr = dma_sb_lpar_to_bus(r, ps3_mm_phys_to_lpar(phys_addr));
>
> @@ -831,7 +831,7 @@ static int dma_ioc0_map_area(struct ps3_dma_region *r, unsigned long virt_addr,
>         unsigned long phys_addr = is_kernel_addr(virt_addr) ? __pa(virt_addr)
>                 : virt_addr;
>         unsigned long aligned_phys = ALIGN_DOWN(phys_addr, 1 << r->page_size);
> -       unsigned long aligned_len = _ALIGN_UP(len + phys_addr - aligned_phys,
> +       unsigned long aligned_len = ALIGN(len + phys_addr - aligned_phys,
>                                               1 << r->page_size);
>
>         DBG(KERN_ERR "%s: vaddr=%#lx, len=%#lx\n", __func__,
> @@ -891,7 +891,7 @@ static int dma_sb_unmap_area(struct ps3_dma_region *r, dma_addr_t bus_addr,
>         if (!c) {
>                 unsigned long aligned_bus = ALIGN_DOWN(bus_addr,
>                         1 << r->page_size);
> -               unsigned long aligned_len = _ALIGN_UP(len + bus_addr
> +               unsigned long aligned_len = ALIGN(len + bus_addr
>                         - aligned_bus, 1 << r->page_size);
>                 DBG("%s:%d: not found: bus_addr %llxh\n",
>                         __func__, __LINE__, bus_addr);
> @@ -928,7 +928,7 @@ static int dma_ioc0_unmap_area(struct ps3_dma_region *r,
>         if (!c) {
>                 unsigned long aligned_bus = ALIGN_DOWN(bus_addr,
>                                                         1 << r->page_size);
> -               unsigned long aligned_len = _ALIGN_UP(len + bus_addr
> +               unsigned long aligned_len = ALIGN(len + bus_addr
>                                                       - aligned_bus,
>                                                       1 << r->page_size);
>                 DBG("%s:%d: not found: bus_addr %llxh\n",
> @@ -974,7 +974,7 @@ static int dma_sb_region_create_linear(struct ps3_dma_region *r)
>                         pr_info("%s:%d: forcing 16M pages for linear map\n",
>                                 __func__, __LINE__);
>                         r->page_size = PS3_DMA_16M;
> -                       r->len = _ALIGN_UP(r->len, 1 << r->page_size);
> +                       r->len = ALIGN(r->len, 1 << r->page_size);
>                 }
>         }
>
> @@ -1125,7 +1125,7 @@ int ps3_dma_region_init(struct ps3_system_bus_device *dev,
>         r->offset = lpar_addr;
>         if (r->offset >= map.rm.size)
>                 r->offset -= map.r1.offset;
> -       r->len = len ? len : _ALIGN_UP(map.total, 1 << r->page_size);
> +       r->len = len ? len : ALIGN(map.total, 1 << r->page_size);
>
>         switch (dev->dev_type) {
>         case PS3_DEVICE_TYPE_SB:
> diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c
> index b29368931c56..e9ae5dd03593 100644
> --- a/arch/powerpc/platforms/ps3/setup.c
> +++ b/arch/powerpc/platforms/ps3/setup.c
> @@ -138,7 +138,7 @@ static int __init early_parse_ps3fb(char *p)
>         if (!p)
>                 return 1;
>
> -       ps3fb_videomemory.size = _ALIGN_UP(memparse(p, &p),
> +       ps3fb_videomemory.size = ALIGN(memparse(p, &p),
>                                            ps3fb_videomemory.align);
>         return 0;
>  }
> --
> 2.25.0
>
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^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH 5/5] powerpc: Remove _ALIGN_UP(), _ALIGN_DOWN() and _ALIGN()
  2020-04-20 18:36 ` [PATCH 5/5] powerpc: Remove _ALIGN_UP(), _ALIGN_DOWN() and _ALIGN() Christophe Leroy
@ 2020-04-21  1:04   ` Joel Stanley
  0 siblings, 0 replies; 12+ messages in thread
From: Joel Stanley @ 2020-04-21  1:04 UTC (permalink / raw)
  To: Christophe Leroy
  Cc: linux-fbdev, kvm, Linux Kernel Mailing List, dri-devel,
	Paul Mackerras, Michael Ellerman, alsa-devel, linuxppc-dev

On Mon, 20 Apr 2020 at 18:39, Christophe Leroy <christophe.leroy@c-s.fr> wrote:
>
> These three powerpc macros have been replaced by
> equivalent generic macros and are not used anymore.
>
> Remove them.
>
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>

Reviewed-By: Joel Stanley <joel@jms.id.au>

riscv has a copy of these too that could probably be removed:

arch/riscv/include/asm/page.h:#define _ALIGN_UP(addr, size)
(((addr)+((size)-1))&(~((size)-1)))
arch/riscv/include/asm/page.h:#define _ALIGN(addr, size)
_ALIGN_UP(addr, size)



> ---
>  arch/powerpc/include/asm/page.h | 7 -------
>  1 file changed, 7 deletions(-)
>
> diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
> index 3ee8df0f66e0..a63fe6f3a0ff 100644
> --- a/arch/powerpc/include/asm/page.h
> +++ b/arch/powerpc/include/asm/page.h
> @@ -249,13 +249,6 @@ static inline bool pfn_valid(unsigned long pfn)
>  #include <asm/page_32.h>
>  #endif
>
> -/* align addr on a size boundary - adjust address up/down if needed */
> -#define _ALIGN_UP(addr, size)   __ALIGN_KERNEL(addr, size)
> -#define _ALIGN_DOWN(addr, size)        ((addr)&(~((typeof(addr))(size)-1)))
> -
> -/* align addr on a size boundary - adjust address up if needed */
> -#define _ALIGN(addr,size)     _ALIGN_UP(addr,size)
> -
>  /*
>   * Don't compare things with KERNELBASE or PAGE_OFFSET to test for
>   * "kernelness", use is_kernel_addr() - it should do what you want.
> --
> 2.25.0
>
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^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH 4/5] powerpc: Replace _ALIGN() by ALIGN()
  2020-04-20 18:36 ` [PATCH 4/5] powerpc: Replace _ALIGN() " Christophe Leroy
@ 2020-04-21  1:11   ` Joel Stanley
  0 siblings, 0 replies; 12+ messages in thread
From: Joel Stanley @ 2020-04-21  1:11 UTC (permalink / raw)
  To: Christophe Leroy
  Cc: linux-fbdev, kvm, Linux Kernel Mailing List, dri-devel,
	Paul Mackerras, Michael Ellerman, alsa-devel, linuxppc-dev

On Mon, 20 Apr 2020 at 18:39, Christophe Leroy <christophe.leroy@c-s.fr> wrote:
>
> _ALIGN() is specific to powerpc
> ALIGN() is generic and does the same
>
> Replace _ALIGN() by ALIGN()
>
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>

Reviewed-by: Joel Stanley <joel@jms.id.au>

> ---
>  arch/powerpc/include/asm/book3s/32/pgtable.h | 2 +-
>  arch/powerpc/include/asm/nohash/32/pgtable.h | 2 +-
>  arch/powerpc/kernel/prom_init.c              | 8 ++++----
>  arch/powerpc/platforms/powermac/bootx_init.c | 4 ++--
>  4 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/arch/powerpc/include/asm/book3s/32/pgtable.h b/arch/powerpc/include/asm/book3s/32/pgtable.h
> index 53b5c93eaf5d..0d4bccb4b9f2 100644
> --- a/arch/powerpc/include/asm/book3s/32/pgtable.h
> +++ b/arch/powerpc/include/asm/book3s/32/pgtable.h
> @@ -188,7 +188,7 @@ int map_kernel_page(unsigned long va, phys_addr_t pa, pgprot_t prot);
>   * memory shall not share segments.
>   */
>  #if defined(CONFIG_STRICT_KERNEL_RWX) && defined(CONFIG_MODULES)
> -#define VMALLOC_START ((_ALIGN((long)high_memory, 256L << 20) + VMALLOC_OFFSET) & \
> +#define VMALLOC_START ((ALIGN((long)high_memory, 256L << 20) + VMALLOC_OFFSET) & \
>                        ~(VMALLOC_OFFSET - 1))
>  #else
>  #define VMALLOC_START ((((long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)))
> diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h
> index 5b4d4c4297e1..4315d40906a0 100644
> --- a/arch/powerpc/include/asm/nohash/32/pgtable.h
> +++ b/arch/powerpc/include/asm/nohash/32/pgtable.h
> @@ -110,7 +110,7 @@ int map_kernel_page(unsigned long va, phys_addr_t pa, pgprot_t prot);
>   */
>  #define VMALLOC_OFFSET (0x1000000) /* 16M */
>  #ifdef PPC_PIN_SIZE
> -#define VMALLOC_START (((_ALIGN((long)high_memory, PPC_PIN_SIZE) + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)))
> +#define VMALLOC_START (((ALIGN((long)high_memory, PPC_PIN_SIZE) + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)))

Perhaps this once needed to be more flexiable, but now it always
aligns to 256M and then to 16MB.

>  #else
>  #define VMALLOC_START ((((long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)))

This is an open coded align to VMALLOC_OFFSET.

>  #endif
> diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
> index 3a5a7db4564f..e3a9fde51c4f 100644
> --- a/arch/powerpc/kernel/prom_init.c
> +++ b/arch/powerpc/kernel/prom_init.c
> @@ -2426,7 +2426,7 @@ static void __init *make_room(unsigned long *mem_start, unsigned long *mem_end,
>  {
>         void *ret;
>
> -       *mem_start = _ALIGN(*mem_start, align);
> +       *mem_start = ALIGN(*mem_start, align);
>         while ((*mem_start + needed) > *mem_end) {
>                 unsigned long room, chunk;
>
> @@ -2562,7 +2562,7 @@ static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start,
>                                 *lp++ = *p;
>                 }
>                 *lp = 0;
> -               *mem_start = _ALIGN((unsigned long)lp + 1, 4);
> +               *mem_start = ALIGN((unsigned long)lp + 1, 4);
>         }
>
>         /* get it again for debugging */
> @@ -2608,7 +2608,7 @@ static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start,
>                 /* push property content */
>                 valp = make_room(mem_start, mem_end, l, 4);
>                 call_prom("getprop", 4, 1, node, pname, valp, l);
> -               *mem_start = _ALIGN(*mem_start, 4);
> +               *mem_start = ALIGN(*mem_start, 4);
>
>                 if (!prom_strcmp(pname, "phandle"))
>                         has_phandle = 1;
> @@ -2667,7 +2667,7 @@ static void __init flatten_device_tree(void)
>                 prom_panic ("couldn't get device tree root\n");
>
>         /* Build header and make room for mem rsv map */
> -       mem_start = _ALIGN(mem_start, 4);
> +       mem_start = ALIGN(mem_start, 4);
>         hdr = make_room(&mem_start, &mem_end,
>                         sizeof(struct boot_param_header), 4);
>         dt_header_start = (unsigned long)hdr;
> diff --git a/arch/powerpc/platforms/powermac/bootx_init.c b/arch/powerpc/platforms/powermac/bootx_init.c
> index c3374a90952f..9d4ecd292255 100644
> --- a/arch/powerpc/platforms/powermac/bootx_init.c
> +++ b/arch/powerpc/platforms/powermac/bootx_init.c
> @@ -386,7 +386,7 @@ static unsigned long __init bootx_flatten_dt(unsigned long start)
>         hdr->dt_strings_size = bootx_dt_strend - bootx_dt_strbase;
>
>         /* Build structure */
> -       mem_end = _ALIGN(mem_end, 16);
> +       mem_end = ALIGN(mem_end, 16);
>         DBG("Building device tree structure at: %x\n", mem_end);
>         hdr->off_dt_struct = mem_end - mem_start;
>         bootx_scan_dt_build_struct(base, 4, &mem_end);
> @@ -404,7 +404,7 @@ static unsigned long __init bootx_flatten_dt(unsigned long start)
>          * also bump mem_reserve_cnt to cause further reservations to
>          * fail since it's too late.
>          */
> -       mem_end = _ALIGN(mem_end, PAGE_SIZE);
> +       mem_end = ALIGN(mem_end, PAGE_SIZE);
>         DBG("End of boot params: %x\n", mem_end);
>         rsvmap[0] = mem_start;
>         rsvmap[1] = mem_end;
> --
> 2.25.0
>
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^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH 2/5] powerpc: Replace _ALIGN_DOWN() by ALIGN_DOWN()
  2020-04-21  1:04   ` Joel Stanley
@ 2020-04-21 15:55     ` Segher Boessenkool
  0 siblings, 0 replies; 12+ messages in thread
From: Segher Boessenkool @ 2020-04-21 15:55 UTC (permalink / raw)
  To: Joel Stanley
  Cc: Christophe Leroy, linux-fbdev, kvm, Linux Kernel Mailing List,
	dri-devel, Paul Mackerras, alsa-devel, linuxppc-dev

Hi!

On Tue, Apr 21, 2020 at 01:04:05AM +0000, Joel Stanley wrote:
> On Mon, 20 Apr 2020 at 18:38, Christophe Leroy <christophe.leroy@c-s.fr> wrote:
> > _ALIGN_DOWN() is specific to powerpc
> > ALIGN_DOWN() is generic and does the same
> >
> > Replace _ALIGN_DOWN() by ALIGN_DOWN()
> 
> This one is a bit less obvious. It becomes (leaving the typeof's alone
> for clarity):
> 
> -((addr)&(~((typeof(addr))(size)-1)))
> +((((addr) - ((size) - 1)) + ((typeof(addr))(size) - 1)) &
> ~((typeof(addr))(size)-1))
> 
> Which I assume the compiler will sort out?

[ This is line-wrapped, something in your mailer?  Took me a bit to figure
  out the - and + are diff -u things :-) ]

In the common case where size is a constant integer power of two, the
compiler will have no problem with this.  But why do so complicated?

Why are the casts there, btw?


Segher
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^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH 1/5] drivers/powerpc: Replace _ALIGN_UP() by ALIGN()
  2020-04-20 18:36 [PATCH 1/5] drivers/powerpc: Replace _ALIGN_UP() by ALIGN() Christophe Leroy
                   ` (4 preceding siblings ...)
  2020-04-21  0:49 ` [PATCH 1/5] drivers/powerpc: Replace _ALIGN_UP() by ALIGN() Joel Stanley
@ 2020-05-20 10:59 ` Michael Ellerman
  5 siblings, 0 replies; 12+ messages in thread
From: Michael Ellerman @ 2020-05-20 10:59 UTC (permalink / raw)
  To: Benjamin Herrenschmidt, Michael Ellerman, Christophe Leroy,
	Paul Mackerras
  Cc: linux-fbdev, kvm, alsa-devel, dri-devel, linux-kernel, linuxppc-dev

On Mon, 20 Apr 2020 18:36:34 +0000 (UTC), Christophe Leroy wrote:
> _ALIGN_UP() is specific to powerpc
> ALIGN() is generic and does the same
> 
> Replace _ALIGN_UP() by ALIGN()

Applied to powerpc/next.

[1/5] drivers/powerpc: Replace _ALIGN_UP() by ALIGN()
      https://git.kernel.org/powerpc/c/7bfc3c84cbf5167d943cff9b3d2619dab0b7894c
[2/5] powerpc: Replace _ALIGN_DOWN() by ALIGN_DOWN()
      https://git.kernel.org/powerpc/c/e96d904ede6756641563d27daa746875b478a6c8
[3/5] powerpc: Replace _ALIGN_UP() by ALIGN()
      https://git.kernel.org/powerpc/c/b711531641038f3ff3723914f3d5ba79848d347e
[4/5] powerpc: Replace _ALIGN() by ALIGN()
      https://git.kernel.org/powerpc/c/d3f3d3bf76cfb04e73436a15e3987d3573e7523a
[5/5] powerpc: Remove _ALIGN_UP(), _ALIGN_DOWN() and _ALIGN()
      https://git.kernel.org/powerpc/c/4cdb2da654033d76e1b1cb4ac427d9193dce816b

cheers
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^ permalink raw reply	[flat|nested] 12+ messages in thread

end of thread, back to index

Thread overview: 12+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-04-20 18:36 [PATCH 1/5] drivers/powerpc: Replace _ALIGN_UP() by ALIGN() Christophe Leroy
2020-04-20 18:36 ` [PATCH 2/5] powerpc: Replace _ALIGN_DOWN() by ALIGN_DOWN() Christophe Leroy
2020-04-21  1:04   ` Joel Stanley
2020-04-21 15:55     ` Segher Boessenkool
2020-04-20 18:36 ` [PATCH 3/5] powerpc: Replace _ALIGN_UP() by ALIGN() Christophe Leroy
2020-04-21  1:04   ` Joel Stanley
2020-04-20 18:36 ` [PATCH 4/5] powerpc: Replace _ALIGN() " Christophe Leroy
2020-04-21  1:11   ` Joel Stanley
2020-04-20 18:36 ` [PATCH 5/5] powerpc: Remove _ALIGN_UP(), _ALIGN_DOWN() and _ALIGN() Christophe Leroy
2020-04-21  1:04   ` Joel Stanley
2020-04-21  0:49 ` [PATCH 1/5] drivers/powerpc: Replace _ALIGN_UP() by ALIGN() Joel Stanley
2020-05-20 10:59 ` Michael Ellerman

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