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-rw-r--r--drivers/power/reset/gpio-poweroff.c25
1 files changed, 8 insertions, 17 deletions
diff --git a/drivers/power/reset/gpio-poweroff.c b/drivers/power/reset/gpio-poweroff.c
index e5332f1db8a7..be3d81ff51cc 100644
--- a/drivers/power/reset/gpio-poweroff.c
+++ b/drivers/power/reset/gpio-poweroff.c
@@ -48,6 +48,7 @@ static void gpio_poweroff_do_poweroff(void)
48static int gpio_poweroff_probe(struct platform_device *pdev) 48static int gpio_poweroff_probe(struct platform_device *pdev)
49{ 49{
50 bool input = false; 50 bool input = false;
51 enum gpiod_flags flags;
51 52
52 /* If a pm_power_off function has already been added, leave it alone */ 53 /* If a pm_power_off function has already been added, leave it alone */
53 if (pm_power_off != NULL) { 54 if (pm_power_off != NULL) {
@@ -57,25 +58,15 @@ static int gpio_poweroff_probe(struct platform_device *pdev)
57 return -EBUSY; 58 return -EBUSY;
58 } 59 }
59 60
60 reset_gpio = devm_gpiod_get(&pdev->dev, NULL);
61 if (IS_ERR(reset_gpio))
62 return PTR_ERR(reset_gpio);
63
64 input = of_property_read_bool(pdev->dev.of_node, "input"); 61 input = of_property_read_bool(pdev->dev.of_node, "input");
62 if (input)
63 flags = GPIOD_IN;
64 else
65 flags = GPIOD_OUT_LOW;
65 66
66 if (input) { 67 reset_gpio = devm_gpiod_get(&pdev->dev, NULL, flags);
67 if (gpiod_direction_input(reset_gpio)) { 68 if (IS_ERR(reset_gpio))
68 dev_err(&pdev->dev, 69 return PTR_ERR(reset_gpio);
69 "Could not set direction of reset GPIO to input\n");
70 return -ENODEV;
71 }
72 } else {
73 if (gpiod_direction_output(reset_gpio, 0)) {
74 dev_err(&pdev->dev,
75 "Could not set direction of reset GPIO\n");
76 return -ENODEV;
77 }
78 }
79 70
80 pm_power_off = &gpio_poweroff_do_poweroff; 71 pm_power_off = &gpio_poweroff_do_poweroff;
81 return 0; 72 return 0;