Messages in this thread Patch in this message | | | From | H Hartley Sweeten <> | Subject | [PATCH] fb.h: ARM uses __raw_{read/write} | Date | Fri, 10 Jun 2011 17:31:08 -0700 |
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ARM provides __raw_{read/write}* functions for memory access. These should be used instead of the default '(*(volatile' stuff to make sure the memory accesses are typesafe (void __iomem *).
This also fixes a number of sparse warning like:
warning: cast removes address space of expression
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Russell King <linux@arm.linux.org.uk>
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diff --git a/include/linux/fb.h b/include/linux/fb.h index 6a82748..a040e92e 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -937,7 +937,7 @@ static inline struct apertures_struct *alloc_apertures(unsigned int max_num) { #define fb_memcpy_fromfb sbus_memcpy_fromio #define fb_memcpy_tofb sbus_memcpy_toio -#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__) +#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__) || defined(__arm__) #define fb_readb __raw_readb #define fb_readw __raw_readw
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