linux-kernel - [PATCH v4 01/19] ARM: Make the argument to virt_to

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Date:	Mon, 24 Jan 2011 17:55:43 +0000
From:	Catalin Marinas <catalin.marinas@....com>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:	Stephen Boyd <sboyd@...eaurora.org>, Arnd Bergmann <arnd@...db.de>
Subject: [PATCH v4 01/19] ARM: Make the argument to virt_to_phys() "const volatile"

Changing the virt_to_phys() argument to "const volatile void *" avoids
compiler warnings in some situations where this function is used.

Signed-off-by: Catalin Marinas <catalin.marinas@....com>
Cc: Stephen Boyd <sboyd@...eaurora.org>
Cc: Arnd Bergmann <arnd@...db.de>
---
 arch/arm/include/asm/memory.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 23c2e8e..d0ee74b 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -188,7 +188,7 @@
  * translation for translating DMA addresses.  Use the driver
  * DMA support - see dma-mapping.h.
  */
-static inline unsigned long virt_to_phys(void *x)
+static inline unsigned long virt_to_phys(const volatile void *x)
 {
 	return __virt_to_phys((unsigned long)(x));
 }

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