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gpio: unregister gpiochip device before removing it 

Unregister gpiochip device (used to export information through sysfs)
before removing it internally. This way removal will reverse addition.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
hifive-unleashed-5.1
Johan Hovold 2015-01-12 17:12:29 +01:00 committed by Linus Walleij
parent 6798acaa01
commit 01cca93a94
1 changed files with 2 additions and 1 deletions
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3
drivers/gpio/gpiolib.c
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@ -327,6 +327,8 @@ void gpiochip_remove(struct gpio_chip *chip)
unsigned long flags;
unsigned id;
gpiochip_unexport(chip);
gpiochip_irqchip_remove(chip);
acpi_gpiochip_remove(chip);
@ -343,7 +345,6 @@ void gpiochip_remove(struct gpio_chip *chip)
list_del(&chip->list);
spin_unlock_irqrestore(&gpio_lock, flags);
gpiochip_unexport(chip);
kfree(chip->desc);
chip->desc = NULL;