[ALSA] hda-codec - Use global workqueue

Use global workqueue for simplicity.
The unsolicited event frequency isn't so high to have own queue.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

2 files changed, 2 insertions, 9 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index e14faf5d5053..8f34fb447983 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -263,7 +263,7 @@ int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
         unsol->queue[wp] = res;
         unsol->queue[wp + 1] = res_ex;
 
-        queue_work(unsol->workq, &unsol->work);
+        schedule_work(&unsol->work);
 
         return 0;
 }
@@ -310,12 +310,6 @@ static int init_unsol_queue(struct hda_bus *bus)
                 snd_printk(KERN_ERR "hda_codec: can't allocate unsolicited queue\n");
                 return -ENOMEM;
         }
-        unsol->workq = create_singlethread_workqueue("hda_codec");
-        if (! unsol->workq) {
-                snd_printk(KERN_ERR "hda_codec: can't create workqueue\n");
-                kfree(unsol);
-                return -ENOMEM;
-        }
         INIT_WORK(&unsol->work, process_unsol_events);
         unsol->bus = bus;
         bus->unsol = unsol;
@@ -334,7 +328,7 @@ static int snd_hda_bus_free(struct hda_bus *bus)
         if (! bus)
                 return 0;
         if (bus->unsol) {
-                destroy_workqueue(bus->unsol->workq);
+                flush_scheduled_work();
                 kfree(bus->unsol);
         }
         list_for_each_safe(p, n, &bus->codec_list) {
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index b2f56d688852..39718d6cdadd 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -199,7 +199,6 @@ struct hda_bus_unsolicited {
         unsigned int rp, wp;
 
         /* workqueue */
-        struct workqueue_struct *workq;
         struct work_struct work;
         struct hda_bus *bus;
 };