ALSA: rawmidi - Use workq for event handling

Kill tasklet usage in rawmidi core code.  Use workq for the event callback
instead of tasklet (which is used only in core/seq/seq_midi.c).

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 3 insertions, 1 deletions

diff --git a/include/sound/rawmidi.h b/include/sound/rawmidi.h
index 2480e7d10dcf..6b14359d9fed 100644
--- a/include/sound/rawmidi.h
+++ b/include/sound/rawmidi.h
@@ -27,6 +27,7 @@
 #include <linux/spinlock.h>
 #include <linux/wait.h>
 #include <linux/mutex.h>
+#include <linux/workqueue.h>
 
 #if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE)
 #include "seq_device.h"
@@ -63,6 +64,7 @@ struct snd_rawmidi_global_ops {
 };
 
 struct snd_rawmidi_runtime {
+        struct snd_rawmidi_substream *substream;
         unsigned int drain: 1,  /* drain stage */
                      oss: 1;    /* OSS compatible mode */
         /* midi stream buffer */
@@ -79,7 +81,7 @@ struct snd_rawmidi_runtime {
         /* event handler (new bytes, input only) */
         void (*event)(struct snd_rawmidi_substream *substream);
         /* defers calls to event [input] or ops->trigger [output] */
-        struct tasklet_struct tasklet;
+        struct work_struct event_work;
         /* private data */
         void *private_data;
         void (*private_free)(struct snd_rawmidi_substream *substream);