Merge tag 'v5.2-rc1' into asoc-5.3

Linux 5.2-rc1

4 files changed, 21 insertions, 12 deletions

diff --git a/include/sound/core.h b/include/sound/core.h
index e923c23e05dd..c90ebbc8d9c4 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -226,7 +226,6 @@ int copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size
 
 /* init.c */
 
-extern struct snd_card *snd_cards[SNDRV_CARDS];
 int snd_card_locked(int card);
 #if IS_ENABLED(CONFIG_SND_MIXER_OSS)
 #define SND_MIXER_OSS_NOTIFY_REGISTER	0
@@ -251,7 +250,20 @@ int snd_card_add_dev_attr(struct snd_card *card,
 int snd_component_add(struct snd_card *card, const char *component);
 int snd_card_file_add(struct snd_card *card, struct file *file);
 int snd_card_file_remove(struct snd_card *card, struct file *file);
-#define snd_card_unref(card)	put_device(&(card)->card_dev)
+
+struct snd_card *snd_card_ref(int card);
+
+/**
+ * snd_card_unref - Unreference the card object
+ * @card: the card object to unreference
+ *
+ * Call this function for the card object that was obtained via snd_card_ref()
+ * or snd_lookup_minor_data().
+ */
+static inline void snd_card_unref(struct snd_card *card)
+{
+	put_device(&card->card_dev);
+}
 
 #define snd_card_set_dev(card, devptr) ((card)->dev = (devptr))
 
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index 45f944d57982..e8346784cf3f 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -81,6 +81,7 @@ struct hdac_device {
 	atomic_t in_pm;		/* suspend/resume being performed */
 
 	/* sysfs */
+	struct mutex widget_lock;
 	struct hdac_widget_tree *widgets;
 
 	/* regmap */
@@ -297,7 +298,7 @@ struct hdac_rb {
  * @num_streams: streams supported
  * @idx: HDA link index
  * @hlink_list: link list of HDA links
- * @lock: lock for link mgmt
+ * @lock: lock for link and display power mgmt
  * @cmd_dma_state: state of cmd DMAs: CORB and RIRB
  */
 struct hdac_bus {
@@ -363,21 +364,20 @@ struct hdac_bus {
 	/* locks */
 	spinlock_t reg_lock;
 	struct mutex cmd_mutex;
+	struct mutex lock;
 
 	/* DRM component interface */
 	struct drm_audio_component *audio_component;
 	long display_power_status;
-	bool display_power_active;
+	unsigned long display_power_active;
 
 	/* parameters required for enhanced capabilities */
 	int num_streams;
 	int idx;
 
+	/* link management */
 	struct list_head hlink_list;
-
-	struct mutex lock;
 	bool cmd_dma_state;
-
 };
 
 int snd_hdac_bus_init(struct hdac_bus *bus, struct device *dev,
diff --git a/include/sound/memalloc.h b/include/sound/memalloc.h
index 1ac0dd82a916..4c6f3b5a7cff 100644
--- a/include/sound/memalloc.h
+++ b/include/sound/memalloc.h
@@ -151,9 +151,5 @@ int snd_dma_alloc_pages_fallback(int type, struct device *dev, size_t size,
                                  struct snd_dma_buffer *dmab);
 void snd_dma_free_pages(struct snd_dma_buffer *dmab);
 
-/* basic memory allocation functions */
-void *snd_malloc_pages(size_t size, gfp_t gfp_flags);
-void snd_free_pages(void *ptr, size_t size);
-
 #endif /* __SOUND_MEMALLOC_H */
 
diff --git a/include/sound/seq_kernel.h b/include/sound/seq_kernel.h
index 4b9ee3009aa0..c7a5433e109a 100644
--- a/include/sound/seq_kernel.h
+++ b/include/sound/seq_kernel.h
@@ -73,7 +73,8 @@ __printf(3, 4)
 int snd_seq_create_kernel_client(struct snd_card *card, int client_index,
 				 const char *name_fmt, ...);
 int snd_seq_delete_kernel_client(int client);
-int snd_seq_kernel_client_enqueue(int client, struct snd_seq_event *ev, int atomic, int hop);
+int snd_seq_kernel_client_enqueue(int client, struct snd_seq_event *ev,
+				  struct file *file, bool blocking);
 int snd_seq_kernel_client_dispatch(int client, struct snd_seq_event *ev, int atomic, int hop);
 int snd_seq_kernel_client_ctl(int client, unsigned int cmd, void *arg);