diff options
Diffstat (limited to 'drivers/of/of_gpio.c')
| -rw-r--r-- | drivers/of/of_gpio.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/of/of_gpio.c b/drivers/of/of_gpio.c index 9a8331ed18..7cbeeaf69e 100644 --- a/drivers/of/of_gpio.c +++ b/drivers/of/of_gpio.c @@ -19,18 +19,20 @@ static void of_gpio_flags_quirks(struct device_node *np, (!(strcmp(propname, "enable-gpio") && strcmp(propname, "enable-gpios")) && of_device_is_compatible(np, "regulator-gpio")))) { + bool active_low = !of_property_read_bool(np, + "enable-active-high"); /* * The regulator GPIO handles are specified such that the * presence or absence of "enable-active-high" solely controls * the polarity of the GPIO line. Any phandle flags must * be actively ignored. */ - if (*flags & OF_GPIO_ACTIVE_LOW) { + if ((*flags & OF_GPIO_ACTIVE_LOW) && !active_low) { pr_warn("%s GPIO handle specifies active low - ignored\n", np->full_name); *flags &= ~OF_GPIO_ACTIVE_LOW; } - if (!of_property_read_bool(np, "enable-active-high")) + if (active_low) *flags |= OF_GPIO_ACTIVE_LOW; } } |