linux-kernel - Re: [PATCH 06/13] ARM: at91: PIT: make IO endian agnostic

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Date:	Thu, 26 Mar 2015 10:54:46 +0100
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Nicolas Ferre <nicolas.ferre@...el.com>,
	Ben Dooks <ben.dooks@...ethink.co.uk>,
	linux-arm-kernel@...ts.infradead.org
CC:	linux-kernel@...ts.codethink.co.uk,
	Thomas Gleixner <tglx@...utronix.de>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Andrew Victor <linux@...im.org.za>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>
Subject: Re: [PATCH 06/13] ARM: at91: PIT: make IO endian agnostic

On 03/23/2015 12:27 PM, Nicolas Ferre wrote:
> Le 18/03/2015 16:53, Ben Dooks a écrit :
>> Fix the use of __raw IO accessor with the readl/writel_relaxed versions
>> to allow the code to be used on a system running in big endian.
>>
>> Signed-off-by: Ben Dooks <ben.dooks@...ethink.co.uk>
>> --
>> CC: Daniel Lezcano <daniel.lezcano@...aro.org>
>> CC: Thomas Gleixner <tglx@...utronix.de>
>> CC: Linux Kernel <linux-kernel@...r.kernel.org>
>> CC: Linux ARM Kernel <linux-arm-kernel@...ts.infradead.org>
>> CC: Andrew Victor <linux@...im.org.za>
>> CC: Nicolas Ferre <nicolas.ferre@...el.com>
>
> Yes:
> Acked-by: Nicolas Ferre <nicolas.ferre@...el.com>
>
> Daniel, do you want to take it?

Yep.

>> CC: Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>
>> ---
>>   drivers/clocksource/timer-atmel-pit.c | 4 ++--
>>   1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/clocksource/timer-atmel-pit.c b/drivers/clocksource/timer-atmel-pit.c
>> index b5b4d45..c0304ff 100644
>> --- a/drivers/clocksource/timer-atmel-pit.c
>> +++ b/drivers/clocksource/timer-atmel-pit.c
>> @@ -61,12 +61,12 @@ static inline struct pit_data *clkevt_to_pit_data(struct clock_event_device *clk
>>
>>   static inline unsigned int pit_read(void __iomem *base, unsigned int reg_offset)
>>   {
>> -	return __raw_readl(base + reg_offset);
>> +	return readl_relaxed(base + reg_offset);
>>   }
>>
>>   static inline void pit_write(void __iomem *base, unsigned int reg_offset, unsigned long value)
>>   {
>> -	__raw_writel(value, base + reg_offset);
>> +	writel_relaxed(value, base + reg_offset);
>>   }
>>
>>   /*
>>
>
>


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