From: santosh.shilimkar@ti.com (Santosh Shilimkar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/8] ARM: mm: LPAE: use phys_addr_t appropriately in p2v and v2p conversions
Date: Fri, 21 Jun 2013 19:48:15 -0400 [thread overview]
Message-ID: <1371858502-10083-2-git-send-email-santosh.shilimkar@ti.com> (raw)
In-Reply-To: <1371858502-10083-1-git-send-email-santosh.shilimkar@ti.com>
Fix remainder types used when converting back and forth between
physical and virtual addresses.
Cc: Nicolas Pitre <nico@linaro.org>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
---
arch/arm/include/asm/memory.h | 22 ++++++++++++++++------
1 file changed, 16 insertions(+), 6 deletions(-)
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 584786f..93376e4 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -185,22 +185,32 @@ extern unsigned long __pv_phys_offset;
: "=r" (to) \
: "r" (from), "I" (type))
-static inline unsigned long __virt_to_phys(unsigned long x)
+static inline phys_addr_t __virt_to_phys(unsigned long x)
{
unsigned long t;
__pv_stub(x, t, "add", __PV_BITS_31_24);
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;
__pv_stub(x, t, "sub", __PV_BITS_31_24);
return t;
}
+
#else
-#define __virt_to_phys(x) ((x) - PAGE_OFFSET + PHYS_OFFSET)
-#define __phys_to_virt(x) ((x) - PHYS_OFFSET + PAGE_OFFSET)
+
+static inline phys_addr_t __virt_to_phys(unsigned long x)
+{
+ return (phys_addr_t)x - PAGE_OFFSET + PHYS_OFFSET;
+}
+
+static inline unsigned long __phys_to_virt(phys_addr_t x)
+{
+ return x - PHYS_OFFSET + PAGE_OFFSET;
+}
+
#endif
#endif
#endif /* __ASSEMBLY__ */
@@ -238,14 +248,14 @@ 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
next prev parent reply other threads:[~2013-06-21 23:48 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-21 23:48 [PATCH 0/8] ARM: mm: Extend the runtime patch stub for PAE systems Santosh Shilimkar
2013-06-21 23:48 ` Santosh Shilimkar [this message]
2013-07-22 15:03 ` [PATCH 1/8] ARM: mm: LPAE: use phys_addr_t appropriately in p2v and v2p conversions Nicolas Pitre
2013-06-21 23:48 ` [PATCH 2/8] ARM: mm: Introduce virt_to_idmap() with an arch hook Santosh Shilimkar
2013-06-21 23:48 ` [PATCH 3/8] ARM: mm: Move the idmap print to appropriate place in the code Santosh Shilimkar
2013-06-21 23:48 ` [PATCH 4/8] ARM: mm: Pass the constant as an argument to fixup_pv_table() Santosh Shilimkar
2013-06-21 23:48 ` [PATCH 5/8] ARM: mm: Add __pv_stub_mov to patch MOV instruction Santosh Shilimkar
2013-06-21 23:48 ` [PATCH 6/8] ARM: mm: LPAE: Correct virt_to_phys patching for 64 bit physical addresses Santosh Shilimkar
2013-07-24 1:10 ` Nicolas Pitre
2013-07-24 2:01 ` Santosh Shilimkar
2013-07-24 2:49 ` Nicolas Pitre
2013-07-24 11:50 ` Sricharan R
2013-07-24 12:07 ` Sricharan R
2013-07-24 14:04 ` Santosh Shilimkar
2013-07-24 20:21 ` Nicolas Pitre
2013-07-25 3:49 ` Sricharan R
2013-07-25 18:53 ` Santosh Shilimkar
2013-06-21 23:48 ` [PATCH 7/8] ARM: mm: Recreate kernel mappings in early_paging_init() Santosh Shilimkar
2013-06-21 23:48 ` [PATCH 8/8] ARM: keystone: Switch over to high physical address range Santosh Shilimkar
2013-06-22 1:51 ` [PATCH 0/8] ARM: mm: Extend the runtime patch stub for PAE systems Nicolas Pitre
2013-06-22 2:17 ` Santosh Shilimkar
2013-07-16 18:42 ` Santosh Shilimkar
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