[PATCH 11/11] pinctrl: single: Clear pin interrupts enabled by bootloader

Linus Walleij linus.walleij at linaro.org
Tue Apr 22 04:54:52 PDT 2014

On Fri, Apr 11, 2014 at 1:47 AM, Tony Lindgren <tony at atomide.com> wrote:

> Since we set up device wake-up interrupts as pinctrl-single
> interrupts, we now must use the standard request_irq and
> related functions to manage them.
> If the pin interrupts are enabled for some pins at boot,
> the wake-up events can show up as constantly pending
> at least on omaps and will hang the system unless the related
> device driver clears the event at the device.
> To fix this, let's clear the interrupt flags during init,
> and print out a warning so the board maintainers can update
> their drivers to do proper request_irq for the driver specific
> wake-up events.
> Cc: Haojian Zhuang <haojian.zhuang at linaro.org>
> Cc: Linus Walleij <linus.walleij at linaro.org>
> Signed-off-by: Tony Lindgren <tony at atomide.com>

Looks clean.

Acked-by: Linus Walleij <linus.walleij at linaro.org>

Shall I apply this patch or will you funnel it through ARM SoC
due to deps?

Linus Walleij

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