gpiolib: Respect error code of ->get_direction()

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In case we try to lock GPIO pin as IRQ when something going wrong
we print a misleading message.

Correct this by checking an error code from ->get_direction() in
gpiochip_lock_as_irq() and printing a corresponding message.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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Andy Shevchenko 2018-07-03 03:38:31 +03:00 • committed by Linus Walleij

parent f8b52dd50c

commit 36b312792b

1 changed files with 6 additions and 0 deletions

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drivers/gpio/gpiolib.c

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