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Date: Wed, 15 Aug 2012 00:20:07 +0200 From: Linus Walleij <linus.walleij@...aro.org> To: Axel Lin <axel.lin@...il.com> Cc: linux-kernel@...r.kernel.org, Feng Tang <feng.tang@...el.com>, Tomoya MORINAGA <tomoya.rohm@...il.com>, Grant Likely <grant.likely@...retlab.ca> Subject: Re: [PATCH RFT 2/2] gpio: gpio-pch: Use spinlock for register access protection On Sun, Jul 29, 2012 at 4:55 AM, Axel Lin <axel.lin@...il.com> wrote: > gpio_chip.can_sleep is 0, but current code uses mutex in pch_gpio_set > pch_gpio_get and pch_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@...il.com> Applied to my devel branch for the next merge window... Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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