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>
diff --git a/drivers/gpio/gpio-pch.c b/drivers/gpio/gpio-pch.c
index e0ac549..2d9a950 100644
--- a/drivers/gpio/gpio-pch.c
+++ b/drivers/gpio/gpio-pch.c
@@ -171,6 +171,7 @@
return 0;
}
+#ifdef CONFIG_PM
/*
* Save register configuration and disable interrupts.
*/
@@ -206,6 +207,7 @@
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)
{