Re: [PATCH RFT 1/2] gpio: gpio-ml-ioh: Use spinlock for registeraccess protection

From: Linus Walleij
Date: Tue Aug 14 2012 - 18:18:42 EST


On Sun, Jul 29, 2012 at 4:54 AM, Axel Lin <axel.lin@xxxxxxxxx> wrote:

> gpio_chip.can_sleep is 0, but current code uses mutex in ioh_gpio_set,
> ioh_gpio_get and ioh_gpio_direction_input functions.
> Thus those functions are not callable from interrupt context.
> This patch converts mutex into spinlock.
>
> Signed-off-by: Axel Lin <axel.lin@xxxxxxxxx>

Applied to my devel branch for the next merge window, it doesn't
seem like a regression to me atleast.

Yours,
Linus Walleij
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