diff options
Diffstat (limited to 'drivers/gpio/intel_gpio.c')
| -rw-r--r-- | drivers/gpio/intel_gpio.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpio/intel_gpio.c b/drivers/gpio/intel_gpio.c index ab46a94dbc..f15ce7b59e 100644 --- a/drivers/gpio/intel_gpio.c +++ b/drivers/gpio/intel_gpio.c @@ -23,6 +23,7 @@ #include <asm/pci.h> #include <asm/arch/gpio.h> #include <dm/acpi.h> +#include <dm/device-internal.h> #include <dt-bindings/gpio/x86-gpio.h> static int intel_gpio_get_value(struct udevice *dev, uint offset) @@ -85,7 +86,7 @@ static int intel_gpio_xlate(struct udevice *orig_dev, struct gpio_desc *desc, /* * GPIO numbers are global in the device tree so it doesn't matter - * which one is used + * which @orig_dev is used */ gpio = args->args[0]; ret = intel_pinctrl_get_pad(gpio, &pinctrl, &desc->offset); @@ -97,6 +98,17 @@ static int intel_gpio_xlate(struct udevice *orig_dev, struct gpio_desc *desc, desc->flags = args->args[1] & GPIO_ACTIVE_LOW ? GPIOD_ACTIVE_LOW : 0; desc->dev = dev; + /* + * Handle the case where the wrong GPIO device was provided, since this + * will not have been probed by the GPIO uclass before calling here + * (see gpio_request_tail()). + */ + if (orig_dev != dev) { + ret = device_probe(dev); + if (ret) + return log_msg_ret("probe", ret); + } + return 0; } |