Re: [PATCH 1/8] gpiolib: acpi: Check if a GPIO is listed in ignore_interrupt earlier

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]


On Sat, Sep 9, 2023 at 4:18 PM Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
> In some cases where a broken AEI is present for a GPIO and the GPIO
> is listed in the ignore_interrupt list to avoid the broken event
> handler, the kernel may want to use the GPIO for another purpose.
> Before this change trying to use such a GPIO for another purpose would
> fail, because the ignore_interrupt list was only checked after
> the acpi_request_own_gpiod() call, causing the GPIO to already be
> claimed even though it is listed in the ignore_interrupt list.
> Fix this by moving the ignore_interrupt list to above
> the acpi_request_own_gpiod() call.
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---

Acked-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>

[Index of Archives]     [Linux Kernel Development]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux