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From: Cyril Chemparathy <cyril@ti.com>
To: <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>
Cc: <arnd@arndb.de>, <catalin.marinas@arm.com>, <nico@linaro.org>,
	<linux@arm.linux.org.uk>, <will.deacon@arm.com>,
	Cyril Chemparathy <cyril@ti.com>,
	Vitaly Andrianov <vitalya@ti.com>
Subject: [PATCH 03/22] ARM: LPAE: use phys_addr_t on virt <--> phys conversion
Date: Tue, 31 Jul 2012 19:04:39 -0400	[thread overview]
Message-ID: <1343775898-28345-4-git-send-email-cyril@ti.com> (raw)
In-Reply-To: <1343775898-28345-1-git-send-email-cyril@ti.com>

This patch fixes up the types used when converting back and forth between
physical and virtual addresses.

Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
---
 arch/arm/include/asm/memory.h |   17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 01c710d..4a0108f 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -157,22 +157,27 @@ extern unsigned long __pv_phys_offset;
 
 extern unsigned long __pv_offset;
 
-static inline unsigned long __virt_to_phys(unsigned long x)
+static inline phys_addr_t __virt_to_phys(unsigned long x)
 {
 	unsigned long t;
 	early_patch_imm8(x, t, "add", __pv_offset);
 	return t;
 }
 
-static inline unsigned long __phys_to_virt(unsigned long x)
+static inline unsigned long __phys_to_virt(phys_addr_t x)
 {
 	unsigned long t;
 	early_patch_imm8(x, t, "sub", __pv_offset);
 	return t;
 }
 #else
-#define __virt_to_phys(x)	((x) - PAGE_OFFSET + PHYS_OFFSET)
-#define __phys_to_virt(x)	((x) - PHYS_OFFSET + PAGE_OFFSET)
+
+#define __virt_to_phys(x)		\
+	((phys_addr_t)(x) - PAGE_OFFSET + PHYS_OFFSET)
+
+#define __phys_to_virt(x)		\
+	((unsigned long)((phys_addr_t)(x) - PHYS_OFFSET + PAGE_OFFSET))
+
 #endif
 #endif
 
@@ -207,14 +212,14 @@ static inline phys_addr_t virt_to_phys(const volatile void *x)
 
 static inline void *phys_to_virt(phys_addr_t x)
 {
-	return (void *)(__phys_to_virt((unsigned long)(x)));
+	return (void *)__phys_to_virt(x);
 }
 
 /*
  * Drivers should NOT use these either.
  */
 #define __pa(x)			__virt_to_phys((unsigned long)(x))
-#define __va(x)			((void *)__phys_to_virt((unsigned long)(x)))
+#define __va(x)			((void *)__phys_to_virt((phys_addr_t)(x)))
 #define pfn_to_kaddr(pfn)	__va((pfn) << PAGE_SHIFT)
 
 /*
-- 
1.7.9.5


WARNING: multiple messages have this Message-ID (diff)
From: cyril@ti.com (Cyril Chemparathy)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 03/22] ARM: LPAE: use phys_addr_t on virt <--> phys conversion
Date: Tue, 31 Jul 2012 19:04:39 -0400	[thread overview]
Message-ID: <1343775898-28345-4-git-send-email-cyril@ti.com> (raw)
In-Reply-To: <1343775898-28345-1-git-send-email-cyril@ti.com>

This patch fixes up the types used when converting back and forth between
physical and virtual addresses.

Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
---
 arch/arm/include/asm/memory.h |   17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 01c710d..4a0108f 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -157,22 +157,27 @@ extern unsigned long __pv_phys_offset;
 
 extern unsigned long __pv_offset;
 
-static inline unsigned long __virt_to_phys(unsigned long x)
+static inline phys_addr_t __virt_to_phys(unsigned long x)
 {
 	unsigned long t;
 	early_patch_imm8(x, t, "add", __pv_offset);
 	return t;
 }
 
-static inline unsigned long __phys_to_virt(unsigned long x)
+static inline unsigned long __phys_to_virt(phys_addr_t x)
 {
 	unsigned long t;
 	early_patch_imm8(x, t, "sub", __pv_offset);
 	return t;
 }
 #else
-#define __virt_to_phys(x)	((x) - PAGE_OFFSET + PHYS_OFFSET)
-#define __phys_to_virt(x)	((x) - PHYS_OFFSET + PAGE_OFFSET)
+
+#define __virt_to_phys(x)		\
+	((phys_addr_t)(x) - PAGE_OFFSET + PHYS_OFFSET)
+
+#define __phys_to_virt(x)		\
+	((unsigned long)((phys_addr_t)(x) - PHYS_OFFSET + PAGE_OFFSET))
+
 #endif
 #endif
 
@@ -207,14 +212,14 @@ static inline phys_addr_t virt_to_phys(const volatile void *x)
 
 static inline void *phys_to_virt(phys_addr_t x)
 {
-	return (void *)(__phys_to_virt((unsigned long)(x)));
+	return (void *)__phys_to_virt(x);
 }
 
 /*
  * Drivers should NOT use these either.
  */
 #define __pa(x)			__virt_to_phys((unsigned long)(x))
-#define __va(x)			((void *)__phys_to_virt((unsigned long)(x)))
+#define __va(x)			((void *)__phys_to_virt((phys_addr_t)(x)))
 #define pfn_to_kaddr(pfn)	__va((pfn) << PAGE_SHIFT)
 
 /*
-- 
1.7.9.5

  parent reply	other threads:[~2012-07-31 23:06 UTC|newest]

Thread overview: 127+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-31 23:04 [PATCH 00/22] Introducing the TI Keystone platform Cyril Chemparathy
2012-07-31 23:04 ` Cyril Chemparathy
2012-07-31 23:04 ` [PATCH 01/22] ARM: add mechanism for late code patching Cyril Chemparathy
2012-07-31 23:04   ` Cyril Chemparathy
2012-08-04  5:38   ` Nicolas Pitre
2012-08-04  5:38     ` Nicolas Pitre
2012-08-05 13:56     ` Cyril Chemparathy
2012-08-05 13:56       ` Cyril Chemparathy
2012-08-07 22:52     ` Cyril Chemparathy
2012-08-07 22:52       ` Cyril Chemparathy
2012-08-08  5:56       ` Nicolas Pitre
2012-08-08  5:56         ` Nicolas Pitre
2012-08-08 13:18         ` Cyril Chemparathy
2012-08-08 13:18           ` Cyril Chemparathy
2012-08-08 13:55           ` Nicolas Pitre
2012-08-08 13:55             ` Nicolas Pitre
2012-08-08 16:05             ` Russell King - ARM Linux
2012-08-08 16:05               ` Russell King - ARM Linux
2012-08-08 16:56               ` Nicolas Pitre
2012-08-08 16:56                 ` Nicolas Pitre
2012-08-09  6:59                 ` Tixy
2012-08-09  6:59                   ` Tixy
2012-08-06 11:12   ` Russell King - ARM Linux
2012-08-06 11:12     ` Russell King - ARM Linux
2012-08-06 13:19     ` Cyril Chemparathy
2012-08-06 13:19       ` Cyril Chemparathy
2012-08-06 13:26       ` Russell King - ARM Linux
2012-08-06 13:26         ` Russell King - ARM Linux
2012-08-06 13:38         ` Cyril Chemparathy
2012-08-06 13:38           ` Cyril Chemparathy
2012-08-06 18:02         ` Nicolas Pitre
2012-08-06 18:02           ` Nicolas Pitre
2012-07-31 23:04 ` [PATCH 02/22] ARM: use late patch framework for phys-virt patching Cyril Chemparathy
2012-07-31 23:04   ` Cyril Chemparathy
2012-08-04  6:15   ` Nicolas Pitre
2012-08-04  6:15     ` Nicolas Pitre
2012-08-05 14:03     ` Cyril Chemparathy
2012-08-05 14:03       ` Cyril Chemparathy
2012-08-06  2:06       ` Nicolas Pitre
2012-08-06  2:06         ` Nicolas Pitre
2012-07-31 23:04 ` Cyril Chemparathy [this message]
2012-07-31 23:04   ` [PATCH 03/22] ARM: LPAE: use phys_addr_t on virt <--> phys conversion Cyril Chemparathy
2012-08-04  6:24   ` Nicolas Pitre
2012-08-04  6:24     ` Nicolas Pitre
2012-08-05 14:05     ` Cyril Chemparathy
2012-08-05 14:05       ` Cyril Chemparathy
2012-08-06 11:14   ` Russell King - ARM Linux
2012-08-06 11:14     ` Russell King - ARM Linux
2012-08-06 13:30     ` Cyril Chemparathy
2012-08-06 13:30       ` Cyril Chemparathy
2012-08-09 14:10     ` Cyril Chemparathy
2012-08-09 14:10       ` Cyril Chemparathy
2012-07-31 23:04 ` [PATCH 04/22] ARM: LPAE: support 64-bit virt/phys patching Cyril Chemparathy
2012-07-31 23:04   ` Cyril Chemparathy
2012-08-04  6:49   ` Nicolas Pitre
2012-08-04  6:49     ` Nicolas Pitre
2012-08-05 14:21     ` Cyril Chemparathy
2012-08-05 14:21       ` Cyril Chemparathy
2012-08-06  2:19       ` Nicolas Pitre
2012-08-06  2:19         ` Nicolas Pitre
2012-07-31 23:04 ` [PATCH 05/22] ARM: LPAE: use signed arithmetic for mask definitions Cyril Chemparathy
2012-07-31 23:04   ` Cyril Chemparathy
2012-07-31 23:04 ` [PATCH 06/22] ARM: LPAE: use phys_addr_t in alloc_init_pud() Cyril Chemparathy
2012-07-31 23:04   ` Cyril Chemparathy
2012-08-01 12:08   ` Sergei Shtylyov
2012-08-01 12:08     ` Sergei Shtylyov
2012-08-01 15:42     ` Cyril Chemparathy
2012-08-01 15:42       ` Cyril Chemparathy
2012-08-04  6:51   ` Nicolas Pitre
2012-08-04  6:51     ` Nicolas Pitre
2012-07-31 23:04 ` [PATCH 07/22] ARM: LPAE: use phys_addr_t in free_memmap() Cyril Chemparathy
2012-07-31 23:04   ` Cyril Chemparathy
2012-08-04  6:54   ` Nicolas Pitre
2012-08-04  6:54     ` Nicolas Pitre
2012-07-31 23:04 ` [PATCH 08/22] ARM: LPAE: use phys_addr_t for initrd location and size Cyril Chemparathy
2012-07-31 23:04   ` Cyril Chemparathy
2012-08-04  6:57   ` Nicolas Pitre
2012-08-04  6:57     ` Nicolas Pitre
2012-08-05 14:23     ` Cyril Chemparathy
2012-08-05 14:23       ` Cyril Chemparathy
2012-07-31 23:04 ` [PATCH 09/22] ARM: LPAE: use 64-bit pgd physical address in switch_mm() Cyril Chemparathy
2012-07-31 23:04   ` Cyril Chemparathy
2012-08-04  7:04   ` Nicolas Pitre
2012-08-04  7:04     ` Nicolas Pitre
2012-08-05 14:29     ` Cyril Chemparathy
2012-08-05 14:29       ` Cyril Chemparathy
2012-08-06  2:35       ` Nicolas Pitre
2012-08-06  2:35         ` Nicolas Pitre
2012-07-31 23:04 ` [PATCH 10/22] ARM: LPAE: use 64-bit accessors for TTBR registers Cyril Chemparathy
2012-07-31 23:04   ` Cyril Chemparathy
2012-07-31 23:04 ` [PATCH 11/22] ARM: LPAE: define ARCH_LOW_ADDRESS_LIMIT for bootmem Cyril Chemparathy
2012-07-31 23:04   ` Cyril Chemparathy
2012-07-31 23:04 ` [PATCH 12/22] ARM: LPAE: factor out T1SZ and TTBR1 computations Cyril Chemparathy
2012-07-31 23:04   ` Cyril Chemparathy
2012-07-31 23:04 ` [PATCH 13/22] ARM: LPAE: allow proc override of TTB setup Cyril Chemparathy
2012-07-31 23:04   ` Cyril Chemparathy
2012-07-31 23:04 ` [PATCH 14/22] ARM: LPAE: accomodate >32-bit addresses for page table base Cyril Chemparathy
2012-07-31 23:04   ` Cyril Chemparathy
2012-07-31 23:04 ` [PATCH 15/22] ARM: mm: use physical addresses in highmem sanity checks Cyril Chemparathy
2012-07-31 23:04   ` Cyril Chemparathy
2012-07-31 23:04 ` [PATCH 16/22] ARM: mm: cleanup checks for membank overlap with vmalloc area Cyril Chemparathy
2012-07-31 23:04   ` Cyril Chemparathy
2012-07-31 23:04 ` [PATCH 17/22] ARM: mm: clean up membank size limit checks Cyril Chemparathy
2012-07-31 23:04   ` Cyril Chemparathy
2012-07-31 23:04 ` [PATCH 18/22] ARM: add virt_to_idmap for interconnect aliasing Cyril Chemparathy
2012-07-31 23:04   ` Cyril Chemparathy
2012-07-31 23:04 ` [PATCH 19/22] ARM: recreate kernel mappings in early_paging_init() Cyril Chemparathy
2012-07-31 23:04   ` Cyril Chemparathy
2012-07-31 23:04 ` [RFC 20/22] ARM: keystone: introducing TI Keystone platform Cyril Chemparathy
2012-07-31 23:06   ` Cyril Chemparathy
2012-07-31 23:16   ` Arnd Bergmann
2012-07-31 23:16     ` Arnd Bergmann
2012-08-01 15:41     ` Cyril Chemparathy
2012-08-01 15:41       ` Cyril Chemparathy
2012-08-01 17:20       ` Arnd Bergmann
2012-07-31 23:04 ` [RFC 21/22] ARM: keystone: enable SMP on Keystone machines Cyril Chemparathy
2012-07-31 23:05   ` Cyril Chemparathy
2012-07-31 23:04 ` [RFC 22/22] ARM: keystone: add switch over to high physical address range Cyril Chemparathy
2012-07-31 23:05   ` Cyril Chemparathy
2012-08-04  8:39 ` [PATCH 00/22] Introducing the TI Keystone platform Russell King - ARM Linux
2012-08-04  8:39   ` Russell King - ARM Linux
2012-08-05 15:10   ` Cyril Chemparathy
2012-08-05 15:10     ` Cyril Chemparathy
2012-08-08 15:43     ` Catalin Marinas
2012-08-08 15:43       ` Catalin Marinas
2012-08-08 13:57 ` Will Deacon
2012-08-08 13:57   ` Will Deacon

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