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gpio: pch: Build context save/restore only for PM 

The pch_gpio_save_reg_conf() and pch_gpio_restore_reg_conf() functions
are only used in pch_gpio_suspend() and pch_gpio_resume(), respectively.
Since the latter are only built if PM is enabled, make the former build
under the same conditions.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Thierry Reding 2014-10-02 09:20:21 +02:00 committed by Linus Walleij
parent 3a4b094d5d
commit a092e19b68
1 changed files with 2 additions and 0 deletions
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2
drivers/gpio/gpio-pch.c
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@ -171,6 +171,7 @@ static int pch_gpio_direction_input(struct gpio_chip *gpio, unsigned nr)
return 0;
}
#ifdef CONFIG_PM
/*
* Save register configuration and disable interrupts.
*/
@ -206,6 +207,7 @@ static void pch_gpio_restore_reg_conf(struct pch_gpio *chip)
iowrite32(chip->pch_gpio_reg.gpio_use_sel_reg,
&chip->reg->gpio_use_sel);
}
#endif
static int pch_gpio_to_irq(struct gpio_chip *gpio, unsigned offset)
{