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path: root/drivers/gpio/gpiolib-sysfs.c
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Diffstat (limited to 'drivers/gpio/gpiolib-sysfs.c')
-rw-r--r--drivers/gpio/gpiolib-sysfs.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c
index c1cbf71329f0..530dfd19d7b5 100644
--- a/drivers/gpio/gpiolib-sysfs.c
+++ b/drivers/gpio/gpiolib-sysfs.c
@@ -437,8 +437,8 @@ ATTRIBUTE_GROUPS(gpiochip);
* /sys/class/gpio/unexport ... write-only
* integer N ... number of GPIO to unexport
*/
-static ssize_t export_store(struct class *class,
- struct class_attribute *attr,
+static ssize_t export_store(const struct class *class,
+ const struct class_attribute *attr,
const char *buf, size_t len)
{
long gpio;
@@ -489,8 +489,8 @@ done:
}
static CLASS_ATTR_WO(export);
-static ssize_t unexport_store(struct class *class,
- struct class_attribute *attr,
+static ssize_t unexport_store(const struct class *class,
+ const struct class_attribute *attr,
const char *buf, size_t len)
{
long gpio;
@@ -534,8 +534,6 @@ ATTRIBUTE_GROUPS(gpio_class);
static struct class gpio_class = {
.name = "gpio",
- .owner = THIS_MODULE,
-
.class_groups = gpio_class_groups,
};
@@ -567,7 +565,7 @@ int gpiod_export(struct gpio_desc *desc, bool direction_may_change)
int offset;
/* can't export until sysfs is available ... */
- if (!gpio_class.p) {
+ if (!class_is_registered(&gpio_class)) {
pr_debug("%s: called too early!\n", __func__);
return -ENOENT;
}
@@ -741,7 +739,7 @@ int gpiochip_sysfs_register(struct gpio_device *gdev)
* register later, in gpiolib_sysfs_init() ... here we just
* verify that _some_ field of gpio_class got initialized.
*/
- if (!gpio_class.p)
+ if (!class_is_registered(&gpio_class))
return 0;
/*