[rtc-linux] [PATCH 08/13] rtc: at91rm9200: make IO endian agnostic
From: Ben Dooks <hidden>
Date: 2015-03-19 09:34:11
On 19/03/15 09:02, Jean-Christophe PLAGNIOL-VILLARD wrote:
On 15:53 Wed 18 Mar , Ben Dooks wrote:quoted
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
It is used by the SAMA5D36 which is Cortex-A5 with big endian support. -- Ben Dooks http://www.codethink.co.uk/ Senior Engineer Codethink - Providing Genius