From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org> To: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Cc: linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-xtensa-PjhNF2WwrV/0Sa2dR60CXw@public.gmane.org, Michal Simek <monstr-pSz03upnqPeHXe+LvDLADg@public.gmane.org>, Vincent Chen <deanbo422-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, linux-c6x-dev-jPsnJVOj+W6hPH1hqNUYSQ@public.gmane.org, linux-parisc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-hexagon-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-m68k-cunTk1MwBs8S/qaLPR03pWD2FQJk+8+b@public.gmane.org, openrisc-cunTk1MwBs9a3B2Vnqf2dGD2FQJk+8+b@public.gmane.org, Greentime Hu <green.hu-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, linux-alpha-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, sparclinux-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, nios2-dev-g9ZBwUv/Ih/yUk5EbOjzuce+I+R0W71w@public.gmane.org, linux-snps-arc-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org Subject: [PATCH 09/20] microblaze: remove the consistent_sync and consistent_sync_page Date: Fri, 11 May 2018 09:59:34 +0200 [thread overview] Message-ID: <20180511075945.16548-10-hch@lst.de> (raw) In-Reply-To: <20180511075945.16548-1-hch-jcswGhMUV9g@public.gmane.org> Both unused. Signed-off-by: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org> --- arch/microblaze/include/asm/pgtable.h | 3 -- arch/microblaze/mm/consistent.c | 45 --------------------------- 2 files changed, 48 deletions(-) diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h index 8a2e654b709f..7b650ab14fa0 100644 --- a/arch/microblaze/include/asm/pgtable.h +++ b/arch/microblaze/include/asm/pgtable.h @@ -553,9 +553,6 @@ void __init *early_get_page(void); extern unsigned long ioremap_bot, ioremap_base; -void consistent_sync(void *vaddr, size_t size, int direction); -void consistent_sync_page(struct page *page, unsigned long offset, - size_t size, int direction); unsigned long consistent_virt_to_pfn(void *vaddr); void setup_memory(void); diff --git a/arch/microblaze/mm/consistent.c b/arch/microblaze/mm/consistent.c index b9a9c8c3397b..c9a278ac795a 100644 --- a/arch/microblaze/mm/consistent.c +++ b/arch/microblaze/mm/consistent.c @@ -220,48 +220,3 @@ void arch_dma_free(struct device *dev, size_t size, void *vaddr, flush_tlb_all(); #endif } - -/* - * make an area consistent. - */ -void consistent_sync(void *vaddr, size_t size, int direction) -{ - unsigned long start; - unsigned long end; - - start = (unsigned long)vaddr; - - /* Convert start address back down to unshadowed memory region */ -#ifdef CONFIG_XILINX_UNCACHED_SHADOW - start &= ~UNCACHED_SHADOW_MASK; -#endif - end = start + size; - - switch (direction) { - case PCI_DMA_NONE: - BUG(); - case PCI_DMA_FROMDEVICE: /* invalidate only */ - invalidate_dcache_range(start, end); - break; - case PCI_DMA_TODEVICE: /* writeback only */ - flush_dcache_range(start, end); - break; - case PCI_DMA_BIDIRECTIONAL: /* writeback and invalidate */ - flush_dcache_range(start, end); - break; - } -} -EXPORT_SYMBOL(consistent_sync); - -/* - * consistent_sync_page makes memory consistent. identical - * to consistent_sync, but takes a struct page instead of a - * virtual address - */ -void consistent_sync_page(struct page *page, unsigned long offset, - size_t size, int direction) -{ - unsigned long start = (unsigned long)page_address(page) + offset; - consistent_sync((void *)start, size, direction); -} -EXPORT_SYMBOL(consistent_sync_page); -- 2.17.0
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de> To: iommu@lists.linux-foundation.org Cc: linux-arch@vger.kernel.org, Michal Simek <monstr@monstr.eu>, Greentime Hu <green.hu@gmail.com>, Vincent Chen <deanbo422@gmail.com>, linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-hexagon@vger.kernel.org, linux-m68k@lists.linux-m68k.org, nios2-dev@lists.rocketboards.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, linux-kernel@vger.kernel.org Subject: [PATCH 09/20] microblaze: remove the consistent_sync and consistent_sync_page Date: Fri, 11 May 2018 09:59:34 +0200 [thread overview] Message-ID: <20180511075945.16548-10-hch@lst.de> (raw) Message-ID: <20180511075934.fgrMmt6nTqV-3Wn6dfhF12P_TaQNIkRm8MNkjeuY87s@z> (raw) In-Reply-To: <20180511075945.16548-1-hch@lst.de> Both unused. Signed-off-by: Christoph Hellwig <hch@lst.de> --- arch/microblaze/include/asm/pgtable.h | 3 -- arch/microblaze/mm/consistent.c | 45 --------------------------- 2 files changed, 48 deletions(-) diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h index 8a2e654b709f..7b650ab14fa0 100644 --- a/arch/microblaze/include/asm/pgtable.h +++ b/arch/microblaze/include/asm/pgtable.h @@ -553,9 +553,6 @@ void __init *early_get_page(void); extern unsigned long ioremap_bot, ioremap_base; -void consistent_sync(void *vaddr, size_t size, int direction); -void consistent_sync_page(struct page *page, unsigned long offset, - size_t size, int direction); unsigned long consistent_virt_to_pfn(void *vaddr); void setup_memory(void); diff --git a/arch/microblaze/mm/consistent.c b/arch/microblaze/mm/consistent.c index b9a9c8c3397b..c9a278ac795a 100644 --- a/arch/microblaze/mm/consistent.c +++ b/arch/microblaze/mm/consistent.c @@ -220,48 +220,3 @@ void arch_dma_free(struct device *dev, size_t size, void *vaddr, flush_tlb_all(); #endif } - -/* - * make an area consistent. - */ -void consistent_sync(void *vaddr, size_t size, int direction) -{ - unsigned long start; - unsigned long end; - - start = (unsigned long)vaddr; - - /* Convert start address back down to unshadowed memory region */ -#ifdef CONFIG_XILINX_UNCACHED_SHADOW - start &= ~UNCACHED_SHADOW_MASK; -#endif - end = start + size; - - switch (direction) { - case PCI_DMA_NONE: - BUG(); - case PCI_DMA_FROMDEVICE: /* invalidate only */ - invalidate_dcache_range(start, end); - break; - case PCI_DMA_TODEVICE: /* writeback only */ - flush_dcache_range(start, end); - break; - case PCI_DMA_BIDIRECTIONAL: /* writeback and invalidate */ - flush_dcache_range(start, end); - break; - } -} -EXPORT_SYMBOL(consistent_sync); - -/* - * consistent_sync_page makes memory consistent. identical - * to consistent_sync, but takes a struct page instead of a - * virtual address - */ -void consistent_sync_page(struct page *page, unsigned long offset, - size_t size, int direction) -{ - unsigned long start = (unsigned long)page_address(page) + offset; - consistent_sync((void *)start, size, direction); -} -EXPORT_SYMBOL(consistent_sync_page); -- 2.17.0
next prev parent reply other threads:[~2018-05-11 7:59 UTC|newest] Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-05-11 7:59 common non-cache coherent direct dma mapping ops Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig 2018-05-11 7:59 ` [PATCH 01/20] dma-mapping: simplify Kconfig dependencies Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig [not found] ` <20180511075945.16548-1-hch-jcswGhMUV9g@public.gmane.org> 2018-05-11 7:59 ` [PATCH 02/20] dma-mapping: provide a generic dma-noncoherent implementation Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig [not found] ` <20180511075945.16548-3-hch-jcswGhMUV9g@public.gmane.org> 2018-05-18 13:03 ` Alexey Brodkin 2018-05-18 13:03 ` Alexey Brodkin [not found] ` <bad125dff49f6e49c895e818c9d1abb346a46e8e.camel-HKixBCOQz3hWk0Htik3J/w@public.gmane.org> 2018-05-18 13:27 ` hch-jcswGhMUV9g 2018-05-18 13:27 ` hch [not found] ` <20180518132731.GA31125-jcswGhMUV9g@public.gmane.org> 2018-05-18 14:13 ` Alexey Brodkin 2018-05-18 14:13 ` Alexey Brodkin 2018-05-18 17:28 ` Vineet Gupta 2018-05-18 17:28 ` Vineet Gupta 2018-05-18 17:20 ` dma_sync_*_for_cpu and direction=TO_DEVICE (was Re: [PATCH 02/20] dma-mapping: provide a generic dma-noncoherent implementation) Vineet Gupta 2018-05-18 17:20 ` Vineet Gupta 2018-05-18 17:50 ` Russell King - ARM Linux 2018-05-18 17:50 ` Russell King - ARM Linux [not found] ` <20180518175004.GF17671-l+eeeJia6m9URfEZ8mYm6t73F7V6hmMc@public.gmane.org> 2018-05-18 19:57 ` Alexey Brodkin 2018-05-18 19:57 ` Alexey Brodkin [not found] ` <182840dedb4890a88c672b1c5d556920bf89a8fb.camel-HKixBCOQz3hWk0Htik3J/w@public.gmane.org> 2018-05-18 21:33 ` Russell King - ARM Linux 2018-05-18 21:33 ` Russell King - ARM Linux 2018-05-18 20:35 ` Vineet Gupta 2018-05-18 20:35 ` Vineet Gupta 2018-05-18 21:55 ` Russell King - ARM Linux 2018-05-18 21:55 ` Russell King - ARM Linux 2018-05-18 20:05 ` [PATCH 02/20] dma-mapping: provide a generic dma-noncoherent implementation Helge Deller 2018-05-18 20:05 ` Helge Deller [not found] ` <0c5d27e9-2799-eb38-8b09-47a04c48b5c7-Mmb7MZpHnFY@public.gmane.org> 2018-05-19 6:38 ` hch-jcswGhMUV9g 2018-05-19 6:38 ` hch 2018-05-11 7:59 ` [PATCH 03/20] arc: use generic dma_noncoherent_ops Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig [not found] ` <20180511075945.16548-4-hch-jcswGhMUV9g@public.gmane.org> 2018-05-11 12:44 ` Alexey Brodkin 2018-05-11 12:44 ` Alexey Brodkin 2018-05-11 7:59 ` [PATCH 04/20] arm-nommu: " Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig [not found] ` <20180511075945.16548-5-hch-jcswGhMUV9g@public.gmane.org> 2018-05-11 9:11 ` Russell King - ARM Linux 2018-05-11 9:11 ` Russell King - ARM Linux [not found] ` <20180511091114.GA16141-l+eeeJia6m9URfEZ8mYm6t73F7V6hmMc@public.gmane.org> 2018-05-22 11:53 ` Christoph Hellwig 2018-05-22 11:53 ` Christoph Hellwig 2018-05-11 13:56 ` John Garry 2018-05-11 13:56 ` John Garry 2018-05-11 7:59 ` [PATCH 05/20] c6x: " Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig [not found] ` <20180511075945.16548-6-hch-jcswGhMUV9g@public.gmane.org> 2018-05-15 0:25 ` [Linux-c6x-dev] " Mark Salter 2018-05-15 0:25 ` Mark Salter 2018-05-11 7:59 ` [PATCH 06/20] hexagon: " Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig 2018-05-11 7:59 ` [PATCH 07/20] m68k: " Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig 2018-05-11 7:59 ` [PATCH 08/20] microblaze: " Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig [this message] 2018-05-11 7:59 ` [PATCH 09/20] microblaze: remove the consistent_sync and consistent_sync_page Christoph Hellwig 2018-05-11 7:59 ` [PATCH 10/20] nds32: use generic dma_noncoherent_ops Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig 2018-05-11 7:59 ` [PATCH 11/20] nios2: " Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig 2018-05-11 7:59 ` [PATCH 12/20] openrisc: " Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig 2018-05-11 7:59 ` [PATCH 13/20] sh: simplify get_arch_dma_ops Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig 2018-05-11 7:59 ` [PATCH 14/20] sh: introduce a sh_cacheop_vaddr helper Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig 2018-05-11 7:59 ` [PATCH 15/20] sh: use dma_direct_ops for the CONFIG_DMA_COHERENT case Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig 2018-05-11 7:59 ` [PATCH 16/20] mm: split arch/sh/mm/consistent.c Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig 2018-05-11 7:59 ` [PATCH 17/20] sh: use generic dma_noncoherent_ops Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig 2018-05-11 7:59 ` [PATCH 18/20] xtensa: " Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig 2018-05-11 7:59 ` [PATCH 19/20] sparc: " Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig 2018-05-11 7:59 ` [PATCH 20/20] parisc: " Christoph Hellwig 2018-05-11 7:59 ` Christoph Hellwig 2018-05-13 13:26 ` common non-cache coherent direct dma mapping ops Helge Deller 2018-05-13 13:26 ` Helge Deller
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