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path: root/drivers/staging/pi433/pi433_if.c
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Diffstat (limited to 'drivers/staging/pi433/pi433_if.c')
-rw-r--r--drivers/staging/pi433/pi433_if.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c
index 58887619b83f..0ec3130225db 100644
--- a/drivers/staging/pi433/pi433_if.c
+++ b/drivers/staging/pi433/pi433_if.c
@@ -56,7 +56,10 @@ static DEFINE_IDR(pi433_idr);
static DEFINE_MUTEX(minor_lock); /* Protect idr accesses */
static struct dentry *root_dir; /* debugfs root directory for the driver */
-static struct class *pi433_class; /* mainly for udev to create /dev/pi433 */
+/* mainly for udev to create /dev/pi433 */
+static const struct class pi433_class = {
+ .name = "pi433",
+};
/*
* tx config is instance specific
@@ -1259,7 +1262,7 @@ static int pi433_probe(struct spi_device *spi)
/* create device */
device->devt = MKDEV(MAJOR(pi433_dev), device->minor);
- device->dev = device_create(pi433_class,
+ device->dev = device_create(&pi433_class,
&spi->dev,
device->devt,
device,
@@ -1315,7 +1318,7 @@ del_cdev:
cdev_failed:
kthread_stop(device->tx_task_struct);
send_thread_failed:
- device_destroy(pi433_class, device->devt);
+ device_destroy(&pi433_class, device->devt);
device_create_failed:
pi433_free_minor(device);
minor_failed:
@@ -1342,7 +1345,7 @@ static void pi433_remove(struct spi_device *spi)
kthread_stop(device->tx_task_struct);
- device_destroy(pi433_class, device->devt);
+ device_destroy(&pi433_class, device->devt);
cdev_del(device->cdev);
@@ -1398,18 +1401,18 @@ static int __init pi433_init(void)
if (status < 0)
return status;
- pi433_class = class_create("pi433");
- if (IS_ERR(pi433_class)) {
+ status = class_register(&pi433_class);
+ if (status) {
unregister_chrdev(MAJOR(pi433_dev),
pi433_spi_driver.driver.name);
- return PTR_ERR(pi433_class);
+ return status;
}
root_dir = debugfs_create_dir(KBUILD_MODNAME, NULL);
status = spi_register_driver(&pi433_spi_driver);
if (status < 0) {
- class_destroy(pi433_class);
+ class_unregister(&pi433_class);
unregister_chrdev(MAJOR(pi433_dev),
pi433_spi_driver.driver.name);
}
@@ -1422,7 +1425,7 @@ module_init(pi433_init);
static void __exit pi433_exit(void)
{
spi_unregister_driver(&pi433_spi_driver);
- class_destroy(pi433_class);
+ class_unregister(&pi433_class);
unregister_chrdev(MAJOR(pi433_dev), pi433_spi_driver.driver.name);
debugfs_remove(root_dir);
}