Geert Uytterhoeven
5018ada69a
gpio: Move freeing of GPIO hogs before numbing of the device
...
When removing a gpiochip that uses GPIO hogging (e.g. by unloading the
chip's DT overlay), a warning is printed:
gpio gpiochip8: REMOVING GPIOCHIP WITH GPIOS STILL REQUESTED
This happens because gpiochip_free_hogs() is called after the gdev->chip
pointer is reset to NULL. Hence __gpiod_free() cannot determine the
chip in use, and cannot clear flags nor call the optional chip-specific
.free() callback.
Move the call to gpiochip_free_hogs() up to fix this.
Cc: stable@vger.kernel.org
Fixes: ff2b135922 ("gpio: make the gpiochip a real device")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org >
Signed-off-by: Linus Walleij <linus.walleij@linaro.org >
2016-12-30 09:11:21 +01:00
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