From mboxrd@z Thu Jan  1 00:00:00 1970
From: nicolas.ferre@atmel.com (Nicolas Ferre)
Date: Thu, 19 Mar 2015 17:13:01 +0100
Subject: [PATCH 08/13] rtc: at91rm9200: make IO endian agnostic
In-Reply-To: <1426693992-31163-9-git-send-email-ben.dooks@codethink.co.uk>
References: <1426693992-31163-1-git-send-email-ben.dooks@codethink.co.uk>
 <1426693992-31163-9-git-send-email-ben.dooks@codethink.co.uk>
Message-ID: <550AF58D.9040900@atmel.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Le 18/03/2015 16:53, Ben Dooks a ?crit :
> 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 <ben.dooks@codethink.co.uk>
> --
> CC: Alessandro Zummo <a.zummo@towertech.it>
> CC: rtc-linux at googlegroups.com
> CC: linux-arm-kernel at lists.infradead.org
> CC: Andrew Victor <linux@maxim.org.za>
> CC: Nicolas Ferre <nicolas.ferre@atmel.com>

Yes, that seems neat:
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>

Thanks!

> CC: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
> ---
>  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)
>  
>  #define AT91_RTC_EPOCH		1900UL	/* just like arch/arm/common/rtctime.c */
>  
> 


-- 
Nicolas Ferre