diff options
| author | Takashi Iwai <tiwai@suse.de> | 2020-01-03 09:16:38 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2020-01-03 09:24:08 +0100 |
| commit | 19260818a9747768b09c1c1f10b4125b4d00595e (patch) | |
| tree | 507e3c28cdadc37f040d0c50e2636116e54c752d /sound | |
| parent | ALSA: Constify snd_timer_hardware definitions (diff) | |
| download | linux-19260818a9747768b09c1c1f10b4125b4d00595e.tar.xz linux-19260818a9747768b09c1c1f10b4125b4d00595e.zip | |
ALSA: ac97: Treat snd_ac97_bus_ops as const
This is a preliminary patch to allow const for snd_ac97_bus_ops
definitions in each driver's code. The ops reference is read-only,
hence it can be declared as const for further optimization.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-23-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/ac97_bus.c | 2 | ||||
| -rw-r--r-- | sound/pci/ac97/ac97_codec.c | 3 |
2 files changed, 3 insertions, 2 deletions
diff --git a/sound/ac97_bus.c b/sound/ac97_bus.c index 3732a63a2a81..b4685c53ff11 100644 --- a/sound/ac97_bus.c +++ b/sound/ac97_bus.c @@ -55,7 +55,7 @@ static bool snd_ac97_check_id(struct snd_ac97 *ac97, unsigned int id, int snd_ac97_reset(struct snd_ac97 *ac97, bool try_warm, unsigned int id, unsigned int id_mask) { - struct snd_ac97_bus_ops *ops = ac97->bus->ops; + const struct snd_ac97_bus_ops *ops = ac97->bus->ops; if (try_warm && ops->warm_reset) { ops->warm_reset(ac97); diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index 41bdec4249e1..fcfa8499e453 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -1894,7 +1894,8 @@ static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) * * Return: Zero if successful, or a negative error code on failure. */ -int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, +int snd_ac97_bus(struct snd_card *card, int num, + const struct snd_ac97_bus_ops *ops, void *private_data, struct snd_ac97_bus **rbus) { int err; |