X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fpower%2Freset%2Fgpio-poweroff.c;fp=kernel%2Fdrivers%2Fpower%2Freset%2Fgpio-poweroff.c;h=be3d81ff51cc3f510d85e4eed7a52960e51e7bc1;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=e5332f1db8a792128d04bf067561fdd6efa07c12;hpb=f93b97fd65072de626c074dbe099a1fff05ce060;p=kvmfornfv.git diff --git a/kernel/drivers/power/reset/gpio-poweroff.c b/kernel/drivers/power/reset/gpio-poweroff.c index e5332f1db..be3d81ff5 100644 --- a/kernel/drivers/power/reset/gpio-poweroff.c +++ b/kernel/drivers/power/reset/gpio-poweroff.c @@ -48,6 +48,7 @@ static void gpio_poweroff_do_poweroff(void) static int gpio_poweroff_probe(struct platform_device *pdev) { bool input = false; + enum gpiod_flags flags; /* If a pm_power_off function has already been added, leave it alone */ if (pm_power_off != NULL) { @@ -57,25 +58,15 @@ static int gpio_poweroff_probe(struct platform_device *pdev) return -EBUSY; } - reset_gpio = devm_gpiod_get(&pdev->dev, NULL); - if (IS_ERR(reset_gpio)) - return PTR_ERR(reset_gpio); - input = of_property_read_bool(pdev->dev.of_node, "input"); + if (input) + flags = GPIOD_IN; + else + flags = GPIOD_OUT_LOW; - if (input) { - if (gpiod_direction_input(reset_gpio)) { - dev_err(&pdev->dev, - "Could not set direction of reset GPIO to input\n"); - return -ENODEV; - } - } else { - if (gpiod_direction_output(reset_gpio, 0)) { - dev_err(&pdev->dev, - "Could not set direction of reset GPIO\n"); - return -ENODEV; - } - } + reset_gpio = devm_gpiod_get(&pdev->dev, NULL, flags); + if (IS_ERR(reset_gpio)) + return PTR_ERR(reset_gpio); pm_power_off = &gpio_poweroff_do_poweroff; return 0;