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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>
This commit is contained in:
Markus Pargmann 2015-08-14 16:11:01 +02:00 committed by Linus Walleij
parent 5f3ca7329b
commit ddd5404007
1 changed files with 1 additions and 7 deletions
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8
drivers/gpio/gpiolib-sysfs.c
View File

@ -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);