diff options
| author | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2015-10-09 08:10:26 +0900 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2015-10-09 09:57:05 +0200 |
| commit | d3ef9cb93aec59eb1d90d01ae0642fd517c25381 (patch) | |
| tree | ab00c5e5d1c4ce2b0b12a2614e229d78b806aff6 /sound/firewire/lib.h | |
| parent | 585d7cba5e1fcd8703a120042f35695165986b9b (diff) | |
| download | linux-d3ef9cb93aec59eb1d90d01ae0642fd517c25381.tar.bz2 | |
ALSA: firewire-lib: add a restriction for a transaction at once
Currently, when waiting for a response, callers can start another
transaction by scheduling another work. This is not good for error
processing of transaction, especially the first response is too late.
This commit serialize request/response transactions, by adding one
boolean member to represent idling state.
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/firewire/lib.h')
| -rw-r--r-- | sound/firewire/lib.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/firewire/lib.h b/sound/firewire/lib.h index 37a7fe4235f2..0af06f44e8c2 100644 --- a/sound/firewire/lib.h +++ b/sound/firewire/lib.h @@ -30,6 +30,7 @@ typedef int (*snd_fw_async_midi_port_fill)( struct snd_fw_async_midi_port { struct fw_device *parent; struct work_struct work; + bool idling; u64 addr; struct fw_transaction transaction; |