gpio-sysfs: Use gpio descriptor name instead of gpiochip names array

The name is now stored in the gpio descriptor as well, for example to
allow to store names from DT. This patch changes the sysfs gpio files
to use the gpio descriptor name.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c
index b57ed8e..3e81f28 100644 (file)
--- a/drivers/gpio/gpiolib-sysfs.c
+++ b/drivers/gpio/gpiolib-sysfs.c
@@ -550,9 +550,7 @@ 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) {
@@ -601,13 +599,9 @@ 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,
-                                       ioname ? ioname : "gpio%u",
+                                       desc->name ? desc->name : "gpio%u",
                                        desc_to_gpio(desc));
        if (IS_ERR(dev)) {
                status = PTR_ERR(dev);