diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpiolib-sysfs.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c index 3e81f28..b57ed8e 100644 --- a/drivers/gpio/gpiolib-sysfs.c +++ b/drivers/gpio/gpiolib-sysfs.c @@ -550,7 +550,9 @@ int gpiod_export(struct gpio_desc *desc, bool direction_may_change) struct gpiod_data *data; unsigned long flags; int status; + const char *ioname = NULL; struct device *dev; + int offset; /* can't export until sysfs is available ... */ if (!gpio_class.p) { @@ -599,9 +601,13 @@ int gpiod_export(struct gpio_desc *desc, bool direction_may_change) else data->direction_can_change = false; + offset = gpio_chip_hwgpio(desc); + if (chip->names && chip->names[offset]) + ioname = chip->names[offset]; + dev = device_create_with_groups(&gpio_class, chip->dev, MKDEV(0, 0), data, gpio_groups, - desc->name ? desc->name : "gpio%u", + ioname ? ioname : "gpio%u", desc_to_gpio(desc)); if (IS_ERR(dev)) { status = PTR_ERR(dev); |
