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drivers/rtc/rtc-at91rm9200.c: make IO endian agnostic

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Change the __raw IO calls to readl/write_relaxed which makes the driver
endian agnostic to run properly on big endian systems.

Signed-off-by: Ben Dooks <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: Andrew Victor <[email protected]>
Acked-by: Nicolas Ferre <[email protected]>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Ben Dooks 2015-04-16 12:49:32 -07:00 • committed by Linus Torvalds
commit 6da7bb1e9c
1 changed files with 2 additions and 2 deletions
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4
drivers/rtc/rtc-at91rm9200.c
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@ -37,9 +37,9 @@
#include "rtc-at91rm9200.h"
#define at91_rtc_read(field) \
__raw_readl(at91_rtc_regs + field)
readl_relaxed(at91_rtc_regs + field)
#define at91_rtc_write(field, val) \
__raw_writel((val), at91_rtc_regs + field)
writel_relaxed((val), at91_rtc_regs + field)
#define AT91_RTC_EPOCH 1900UL /* just like arch/arm/common/rtctime.c */