Thread (43 messages) 43 messages, 13 authors, 2015-03-26

[rtc-linux] [PATCH 08/13] rtc: at91rm9200: make IO endian agnostic

From: Jean-Christophe PLAGNIOL-VILLARD <hidden>
Date: 2015-03-19 09:02:17

On 15:53 Wed 18 Mar     , Ben Dooks wrote:
quoted hunk ↗ jump to hunk
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 <redacted>
--
CC: Alessandro Zummo <redacted>
CC: rtc-linux at googlegroups.com
CC: linux-arm-kernel at lists.infradead.org
CC: Andrew Victor <redacted>
CC: Nicolas Ferre <redacted>
CC: Jean-Christophe Plagniol-Villard <redacted>
---
 drivers/rtc/rtc-at91rm9200.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index b4f7744..4106abc 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -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)
I'm not against it but the SoC using it are Little only

Acked-by: Jean-Christophe PLAGNIOL-VILLARD <redacted>

Best Regards,
J.
 
 #define AT91_RTC_EPOCH		1900UL	/* just like arch/arm/common/rtctime.c */
 
-- 
2.1.4

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