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path: root/drivers/media/rc/rc-main.c
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Diffstat (limited to 'drivers/media/rc/rc-main.c')
-rw-r--r--drivers/media/rc/rc-main.c70
1 files changed, 64 insertions, 6 deletions
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
index d9c1f2ff7119..dedaf38c5ff6 100644
--- a/drivers/media/rc/rc-main.c
+++ b/drivers/media/rc/rc-main.c
@@ -12,6 +12,8 @@
* GNU General Public License for more details.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <media/rc-core.h>
#include <linux/atomic.h>
#include <linux/spinlock.h>
@@ -66,7 +68,7 @@ struct rc_map *rc_map_get(const char *name)
if (!map) {
int rc = request_module("%s", name);
if (rc < 0) {
- printk(KERN_ERR "Couldn't load IR keymap %s\n", name);
+ pr_err("Couldn't load IR keymap %s\n", name);
return NULL;
}
msleep(20); /* Give some time for IR to register */
@@ -75,7 +77,7 @@ struct rc_map *rc_map_get(const char *name)
}
#endif
if (!map) {
- printk(KERN_ERR "IR keymap %s not found\n", name);
+ pr_err("IR keymap %s not found\n", name);
return NULL;
}
@@ -159,6 +161,7 @@ static void ir_free_table(struct rc_map *rc_map)
{
rc_map->size = 0;
kfree(rc_map->name);
+ rc_map->name = NULL;
kfree(rc_map->scan);
rc_map->scan = NULL;
}
@@ -660,8 +663,7 @@ static void ir_do_keydown(struct rc_dev *dev, enum rc_type protocol,
dev->last_toggle = toggle;
dev->last_keycode = keycode;
- IR_dprintk(1, "%s: key down event, "
- "key 0x%04x, protocol 0x%04x, scancode 0x%08x\n",
+ IR_dprintk(1, "%s: key down event, key 0x%04x, protocol 0x%04x, scancode 0x%08x\n",
dev->input_name, keycode, protocol, scancode);
input_report_key(dev->input_dev, keycode, 1);
@@ -1403,6 +1405,34 @@ void rc_free_device(struct rc_dev *dev)
}
EXPORT_SYMBOL_GPL(rc_free_device);
+static void devm_rc_alloc_release(struct device *dev, void *res)
+{
+ rc_free_device(*(struct rc_dev **)res);
+}
+
+struct rc_dev *devm_rc_allocate_device(struct device *dev)
+{
+ struct rc_dev **dr, *rc;
+
+ dr = devres_alloc(devm_rc_alloc_release, sizeof(*dr), GFP_KERNEL);
+ if (!dr)
+ return NULL;
+
+ rc = rc_allocate_device();
+ if (!rc) {
+ devres_free(dr);
+ return NULL;
+ }
+
+ rc->dev.parent = dev;
+ rc->managed_alloc = true;
+ *dr = rc;
+ devres_add(dev, dr);
+
+ return rc;
+}
+EXPORT_SYMBOL_GPL(devm_rc_allocate_device);
+
int rc_register_device(struct rc_dev *dev)
{
static bool raw_init = false; /* raw decoders loaded? */
@@ -1531,6 +1561,33 @@ out_unlock:
}
EXPORT_SYMBOL_GPL(rc_register_device);
+static void devm_rc_release(struct device *dev, void *res)
+{
+ rc_unregister_device(*(struct rc_dev **)res);
+}
+
+int devm_rc_register_device(struct device *parent, struct rc_dev *dev)
+{
+ struct rc_dev **dr;
+ int ret;
+
+ dr = devres_alloc(devm_rc_release, sizeof(*dr), GFP_KERNEL);
+ if (!dr)
+ return -ENOMEM;
+
+ ret = rc_register_device(dev);
+ if (ret) {
+ devres_free(dr);
+ return ret;
+ }
+
+ *dr = dev;
+ devres_add(parent, dr);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(devm_rc_register_device);
+
void rc_unregister_device(struct rc_dev *dev)
{
if (!dev)
@@ -1552,7 +1609,8 @@ void rc_unregister_device(struct rc_dev *dev)
ida_simple_remove(&rc_ida, dev->minor);
- rc_free_device(dev);
+ if (!dev->managed_alloc)
+ rc_free_device(dev);
}
EXPORT_SYMBOL_GPL(rc_unregister_device);
@@ -1565,7 +1623,7 @@ static int __init rc_core_init(void)
{
int rc = class_register(&rc_class);
if (rc) {
- printk(KERN_ERR "rc_core: unable to register rc class\n");
+ pr_err("rc_core: unable to register rc class\n");
return rc;
}