Commit e985ad17 authored May 18, 2015 by Michal Simek Committed by Catalin Marinas May 19, 2015

arm64: Rename temp variable in read*_relaxed()



This resolves the following sparse warning from readl() and other
macros, which ends up embedding readl_relaxed() using the same
variable.

Warning log:
include/asm-generic/io.h:364:16: warning: symbol '__v' shadows an
earlier one
include/asm-generic/io.h:364:16: originally declared here
include/asm-generic/io.h:372:16: warning: symbol '__v' shadows an
earlier one
include/asm-generic/io.h:372:16: originally declared here
include/asm-generic/io.h:380:16: warning: symbol '__v' shadows an
earlier one
include/asm-generic/io.h:380:16: originally declared here
include/asm-generic/io.h:568:16: warning: symbol '__v' shadows an
earlier one
include/asm-generic/io.h:568:16: originally declared here
include/asm-generic/io.h:576:16: warning: symbol '__v' shadows an
earlier one
include/asm-generic/io.h:576:16: originally declared here
include/asm-generic/io.h:584:16: warning: symbol '__v' shadows an
earlier one
include/asm-generic/io.h:584:16: originally declared here

The same patch was already applied to arm32 as
"ARM: 7118/1: rename temp variable in read*_relaxed()"
(sha1: b0c1264f)

Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

parent 68234df4

arch/arm64/include/asm/io.h

+4 −4

Original line number	Diff line number	Diff line
		@@ -117,10 +117,10 @@ static inline u64 __raw_readq(const volatile void __iomem *addr)
		* ordering rules but do not guarantee any ordering relative to Normal memory
		* accesses.
		*/
		#define readb_relaxed(c) ({ u8 __v = __raw_readb(c); __v; })
		#define readw_relaxed(c) ({ u16 __v = le16_to_cpu((__force __le16)__raw_readw(c)); __v; })
		#define readl_relaxed(c) ({ u32 __v = le32_to_cpu((__force __le32)__raw_readl(c)); __v; })
		#define readq_relaxed(c) ({ u64 __v = le64_to_cpu((__force __le64)__raw_readq(c)); __v; })
		#define readb_relaxed(c) ({ u8 __r = __raw_readb(c); __r; })
		#define readw_relaxed(c) ({ u16 __r = le16_to_cpu((__force __le16)__raw_readw(c)); __r; })
		#define readl_relaxed(c) ({ u32 __r = le32_to_cpu((__force __le32)__raw_readl(c)); __r; })
		#define readq_relaxed(c) ({ u64 __r = le64_to_cpu((__force __le64)__raw_readq(c)); __r; })

		#define writeb_relaxed(v,c) ((void)__raw_writeb((v),(c)))
		#define writew_relaxed(v,c) ((void)__raw_writew((__force u16)cpu_to_le16(v),(c)))