ALSA: Constify snd_timer_hardware definitions

Most of snd_timer_hardware definitions do simply copying to another struct as-is. Mark them as const for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Takashi Iwai <[email protected]>
ambv · Jan 3, 2020 · 5ff16a3 · 5ff16a3
1 parent df76996
commit 5ff16a3
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Showing 6 changed files with 8 additions and 8 deletions.
diff --git a/sound/drivers/opl3/opl3_lib.c b/sound/drivers/opl3/opl3_lib.c
@@ -214,7 +214,7 @@ static int snd_opl3_timer2_stop(struct snd_timer * timer)
 
  */
 
-static struct snd_timer_hardware snd_opl3_timer1 =
+static const struct snd_timer_hardware snd_opl3_timer1 =
 {
 	.flags =	SNDRV_TIMER_HW_STOP,
 	.resolution =	80000,
@@ -223,7 +223,7 @@ static struct snd_timer_hardware snd_opl3_timer1 =
 	.stop =		snd_opl3_timer1_stop,
 };
 
-static struct snd_timer_hardware snd_opl3_timer2 =
+static const struct snd_timer_hardware snd_opl3_timer2 =
 {
 	.flags =	SNDRV_TIMER_HW_STOP,
 	.resolution =	320000,

diff --git a/sound/isa/gus/gus_timer.c b/sound/isa/gus/gus_timer.c
@@ -108,7 +108,7 @@ static void snd_gf1_interrupt_timer2(struct snd_gus_card * gus)
 
  */
 
-static struct snd_timer_hardware snd_gf1_timer1 =
+static const struct snd_timer_hardware snd_gf1_timer1 =
 {
 	.flags =	SNDRV_TIMER_HW_STOP,
 	.resolution =	80000,
@@ -117,7 +117,7 @@ static struct snd_timer_hardware snd_gf1_timer1 =
 	.stop =		snd_gf1_timer1_stop,
 };
 
-static struct snd_timer_hardware snd_gf1_timer2 =
+static const struct snd_timer_hardware snd_gf1_timer2 =
 {
 	.flags =	SNDRV_TIMER_HW_STOP,
 	.resolution =	320000,

diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c
@@ -961,7 +961,7 @@ static int snd_wss_timer_close(struct snd_timer *timer)
 	return 0;
 }
 
-static struct snd_timer_hardware snd_wss_timer_table =
+static const struct snd_timer_hardware snd_wss_timer_table =
 {
 	.flags =	SNDRV_TIMER_HW_AUTO,
 	.resolution =	9945,

diff --git a/sound/pci/emu10k1/timer.c b/sound/pci/emu10k1/timer.c
@@ -52,7 +52,7 @@ static int snd_emu10k1_timer_precise_resolution(struct snd_timer *timer,
 	return 0;
 }
 
-static struct snd_timer_hardware snd_emu10k1_timer_hw = {
+static const struct snd_timer_hardware snd_emu10k1_timer_hw = {
 	.flags = SNDRV_TIMER_HW_AUTO,
 	.resolution = 20833, /* 1 sample @ 48KHZ = 20.833...us */
 	.ticks = 1024,

diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c
@@ -1908,7 +1908,7 @@ static int snd_ymfpci_timer_precise_resolution(struct snd_timer *timer,
 	return 0;
 }
 
-static struct snd_timer_hardware snd_ymfpci_timer_hw = {
+static const struct snd_timer_hardware snd_ymfpci_timer_hw = {
 	.flags = SNDRV_TIMER_HW_AUTO,
 	.resolution = 10417, /* 1 / 96 kHz = 10.41666...us */
 	.ticks = 0x10000,

diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c
@@ -869,7 +869,7 @@ static int snd_cs4231_timer_close(struct snd_timer *timer)
 	return 0;
 }
 
-static struct snd_timer_hardware snd_cs4231_timer_table = {
+static const struct snd_timer_hardware snd_cs4231_timer_table = {
 	.flags		=	SNDRV_TIMER_HW_AUTO,
 	.resolution	=	9945,
 	.ticks		=	65535,