[PATCH] pinctrl: sunxi: Fix gpio_set behaviour

[maxime.ripard@free-electrons.com (Maxime Ripard)]

Hi Linus,

On Thu, Jul 25, 2013 at 12:41:16PM +0200, Maxime Ripard wrote:
> The current gpio_set function is ignoring the previous value set in the
> GPIO value register, which leads in erasing the values already set for
> the other GPIOs in the same bank when setting the value of a given GPIO.
> 
> Add the usual read/mask/write pattern to fix this brown paper bag bug.
>
> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

This should probably go in 3.11. I'll send a patch adding locking like
Thomas suggested, could you queue up this patch for 3.11?

Thanks,
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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