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path: root/drivers/hid/hid-roccat.c
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Diffstat (limited to 'drivers/hid/hid-roccat.c')
-rw-r--r--drivers/hid/hid-roccat.c53
1 files changed, 20 insertions, 33 deletions
diff --git a/drivers/hid/hid-roccat.c b/drivers/hid/hid-roccat.c
index 5a6879e235a..a14c579ea78 100644
--- a/drivers/hid/hid-roccat.c
+++ b/drivers/hid/hid-roccat.c
@@ -21,6 +21,8 @@
* It is inspired by hidraw, but uses only one circular buffer for all readers.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/cdev.h>
#include <linux/poll.h>
#include <linux/sched.h>
@@ -65,7 +67,6 @@ struct roccat_reader {
};
static int roccat_major;
-static struct class *roccat_class;
static struct cdev roccat_cdev;
static struct roccat_device *devices[ROCCAT_MAX_DEVICES];
@@ -165,27 +166,22 @@ static int roccat_open(struct inode *inode, struct file *file)
mutex_lock(&device->readers_lock);
if (!device) {
- printk(KERN_EMERG "roccat device with minor %d doesn't exist\n",
- minor);
+ pr_emerg("roccat device with minor %d doesn't exist\n", minor);
error = -ENODEV;
goto exit_err;
}
if (!device->open++) {
/* power on device on adding first reader */
- if (device->hid->ll_driver->power) {
- error = device->hid->ll_driver->power(device->hid,
- PM_HINT_FULLON);
- if (error < 0) {
- --device->open;
- goto exit_err;
- }
+ error = hid_hw_power(device->hid, PM_HINT_FULLON);
+ if (error < 0) {
+ --device->open;
+ goto exit_err;
}
- error = device->hid->ll_driver->open(device->hid);
+
+ error = hid_hw_open(device->hid);
if (error < 0) {
- if (device->hid->ll_driver->power)
- device->hid->ll_driver->power(device->hid,
- PM_HINT_NORMAL);
+ hid_hw_power(device->hid, PM_HINT_NORMAL);
--device->open;
goto exit_err;
}
@@ -218,8 +214,7 @@ static int roccat_release(struct inode *inode, struct file *file)
device = devices[minor];
if (!device) {
mutex_unlock(&devices_lock);
- printk(KERN_EMERG "roccat device with minor %d doesn't exist\n",
- minor);
+ pr_emerg("roccat device with minor %d doesn't exist\n", minor);
return -ENODEV;
}
@@ -231,10 +226,8 @@ static int roccat_release(struct inode *inode, struct file *file)
if (!--device->open) {
/* removing last reader */
if (device->exist) {
- if (device->hid->ll_driver->power)
- device->hid->ll_driver->power(device->hid,
- PM_HINT_NORMAL);
- device->hid->ll_driver->close(device->hid);
+ hid_hw_power(device->hid, PM_HINT_NORMAL);
+ hid_hw_close(device->hid);
} else {
kfree(device);
}
@@ -295,12 +288,14 @@ EXPORT_SYMBOL_GPL(roccat_report_event);
/*
* roccat_connect() - create a char device for special event output
+ * @class: the class thats used to create the device. Meant to hold device
+ * specific sysfs attributes.
* @hid: the hid device the char device should be connected to.
*
* Return value is minor device number in Range [0, ROCCAT_MAX_DEVICES] on
* success, a negative error code on failure.
*/
-int roccat_connect(struct hid_device *hid)
+int roccat_connect(struct class *klass, struct hid_device *hid)
{
unsigned int minor;
struct roccat_device *device;
@@ -326,7 +321,7 @@ int roccat_connect(struct hid_device *hid)
return -EINVAL;
}
- device->dev = device_create(roccat_class, &hid->dev,
+ device->dev = device_create(klass, &hid->dev,
MKDEV(roccat_major, minor), NULL,
"%s%s%d", "roccat", hid->driver->name, minor);
@@ -367,10 +362,10 @@ void roccat_disconnect(int minor)
device->exist = 0; /* TODO exist maybe not needed */
- device_destroy(roccat_class, MKDEV(roccat_major, minor));
+ device_destroy(device->dev->class, MKDEV(roccat_major, minor));
if (device->open) {
- device->hid->ll_driver->close(device->hid);
+ hid_hw_close(device->hid);
wake_up_interruptible(&device->wait);
} else {
kfree(device);
@@ -398,14 +393,7 @@ static int __init roccat_init(void)
roccat_major = MAJOR(dev_id);
if (retval < 0) {
- printk(KERN_WARNING "roccat: can't get major number\n");
- return retval;
- }
-
- roccat_class = class_create(THIS_MODULE, "roccat");
- if (IS_ERR(roccat_class)) {
- retval = PTR_ERR(roccat_class);
- unregister_chrdev_region(dev_id, ROCCAT_MAX_DEVICES);
+ pr_warn("can't get major number\n");
return retval;
}
@@ -420,7 +408,6 @@ static void __exit roccat_exit(void)
dev_t dev_id = MKDEV(roccat_major, 0);
cdev_del(&roccat_cdev);
- class_destroy(roccat_class);
unregister_chrdev_region(dev_id, ROCCAT_MAX_DEVICES);
}