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

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Date:	Mon, 23 Mar 2015 12:27:47 +0100
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	Ben Dooks <ben.dooks@...ethink.co.uk>,
	<linux-arm-kernel@...ts.infradead.org>,
	Daniel Lezcano <daniel.lezcano@...aro.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

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?


> 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);
>  }
>  
>  /*
> 


-- 
Nicolas Ferre
--
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