Merge branch 'patchwork' into v4l_for_linus

* patchwork: (496 commits)
  [media] v4l: tvp5150: Add missing break in set control handler
  [media] v4l: tvp5150: Don't inline the tvp5150_selmux() function
  [media] v4l: tvp5150: Compile tvp5150_link_setup out if !CONFIG_MEDIA_CONTROLLER
  [media] em28xx: don't store usb_device at struct em28xx
  [media] em28xx: use usb_interface for dev_foo() calls
  [media] em28xx: don't change the device's name
  [media] mn88472: fix chip id check on probe
  [media] mn88473: fix chip id check on probe
  [media] lirc: fix error paths in lirc_cdev_add()
  [media] s5p-mfc: Add support for MFC v8 available in Exynos 5433 SoCs
  [media] s5p-mfc: Rework clock handling
  [media] s5p-mfc: Don't keep clock prepared all the time
  [media] s5p-mfc: Kill all IS_ERR_OR_NULL in clocks management code
  [media] s5p-mfc: Remove dead conditional code
  [media] s5p-mfc: Ensure that clock is disabled before turning power off
  [media] s5p-mfc: Remove special clock rate management
  [media] s5p-mfc: Use printk_ratelimited for reporting ioctl errors
  [media] s5p-mfc: Set DMA_ATTR_ALLOC_SINGLE_PAGES
  [media] vivid: Set color_enc on HSV formats
  [media] v4l2-tpg: Init hv_enc field with a valid value
  ...

1 files changed, 4 insertions, 13 deletions

diff --git a/drivers/media/rc/rc-ir-raw.c b/drivers/media/rc/rc-ir-raw.c
index 205ecc602e34..1c42a9f2f290 100644
--- a/drivers/media/rc/rc-ir-raw.c
+++ b/drivers/media/rc/rc-ir-raw.c
@@ -26,8 +26,7 @@ static LIST_HEAD(ir_raw_client_list);
 /* Used to handle IR raw handler extensions */
 static DEFINE_MUTEX(ir_raw_handler_lock);
 static LIST_HEAD(ir_raw_handler_list);
-static DEFINE_MUTEX(available_protocols_lock);
-static u64 available_protocols;
+static atomic64_t available_protocols = ATOMIC64_INIT(0);
 
 static int ir_raw_event_thread(void *data)
 {
@@ -234,11 +233,7 @@ EXPORT_SYMBOL_GPL(ir_raw_event_handle);
 u64
 ir_raw_get_allowed_protocols(void)
 {
-	u64 protocols;
-	mutex_lock(&available_protocols_lock);
-	protocols = available_protocols;
-	mutex_unlock(&available_protocols_lock);
-	return protocols;
+	return atomic64_read(&available_protocols);
 }
 
 static int change_protocol(struct rc_dev *dev, u64 *rc_type)
@@ -331,9 +326,7 @@ int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler)
 	if (ir_raw_handler->raw_register)
 		list_for_each_entry(raw, &ir_raw_client_list, list)
 			ir_raw_handler->raw_register(raw->dev);
-	mutex_lock(&available_protocols_lock);
-	available_protocols |= ir_raw_handler->protocols;
-	mutex_unlock(&available_protocols_lock);
+	atomic64_or(ir_raw_handler->protocols, &available_protocols);
 	mutex_unlock(&ir_raw_handler_lock);
 
 	return 0;
@@ -352,9 +345,7 @@ void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler)
 		if (ir_raw_handler->raw_unregister)
 			ir_raw_handler->raw_unregister(raw->dev);
 	}
-	mutex_lock(&available_protocols_lock);
-	available_protocols &= ~protocols;
-	mutex_unlock(&available_protocols_lock);
+	atomic64_andnot(protocols, &available_protocols);
 	mutex_unlock(&ir_raw_handler_lock);
 }
 EXPORT_SYMBOL(ir_raw_handler_unregister);