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ALSA: drivers: Constify snd_device_ops definitions

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Now we may declare const for snd_device_ops definitions, so let's do
it for optimization.

There should be no functional changes by this patch.

Link: https://lore.kernel.org/r/20200103081714.9560-6-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2020-01-03 09:16:21 +01:00
parent f15ee210cd
commit 34273b234c
5 changed files with 5 additions and 5 deletions
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2
sound/drivers/ml403-ac97cr.c
View File

@ -1076,7 +1076,7 @@ snd_ml403_ac97cr_create(struct snd_card *card, struct platform_device *pfdev,
{
struct snd_ml403_ac97cr *ml403_ac97cr;
int err;
static struct snd_device_ops ops = {
static const struct snd_device_ops ops = {
.dev_free = snd_ml403_ac97cr_dev_free,
};
struct resource *resource;

2
sound/drivers/opl3/opl3_lib.c
View File

@ -332,7 +332,7 @@ int snd_opl3_new(struct snd_card *card,
unsigned short hardware,
struct snd_opl3 **ropl3)
{
static struct snd_device_ops ops = {
static const struct snd_device_ops ops = {
.dev_free = snd_opl3_dev_free,
};
struct snd_opl3 *opl3;

2
sound/drivers/opl4/opl4_lib.c
View File

@ -184,7 +184,7 @@ int snd_opl4_create(struct snd_card *card,
struct snd_opl4 *opl4;
struct snd_opl3 *opl3;
int err;
static struct snd_device_ops ops = {
static const struct snd_device_ops ops = {
.dev_free = snd_opl4_dev_free
};

2
sound/drivers/pcsp/pcsp.c
View File

@ -43,7 +43,7 @@ struct snd_pcsp pcsp_chip;
static int snd_pcsp_create(struct snd_card *card)
{
static struct snd_device_ops ops = { };
static const struct snd_device_ops ops = { };
unsigned int resolution = hrtimer_resolution;
int err, div, min_div, order;

2
sound/drivers/serial-u16550.c
View File

@ -777,7 +777,7 @@ static int snd_uart16550_create(struct snd_card *card,
int droponfull,
struct snd_uart16550 **ruart)
{
static struct snd_device_ops ops = {
static const struct snd_device_ops ops = {
.dev_free = snd_uart16550_dev_free,
};
struct snd_uart16550 *uart;