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ALSA: info: Make snd_info_entry_ops as const

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The reference to snd_info_entry_ops is rather read-only, so declare it
as a const pointer.  This allows a bit more optimization.

There should be no functional changes by this patch.

Link: https://lore.kernel.org/r/20200103081714.9560-29-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
2020-01-03 09:16:44 +01:00
parent 51055da51d
commit d25ff26840
8 changed files with 10 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/sound/kernel-api/writing-an-alsa-driver.rst
View File

@@ -3912,7 +3912,7 @@ For a raw-data proc-file, set the attributes as follows:
::
static struct snd_info_entry_ops my_file_io_ops = {
static const struct snd_info_entry_ops my_file_io_ops = {
.read = my_file_io_read,
};

2
include/sound/info.h
View File

@@ -64,7 +64,7 @@ struct snd_info_entry {
unsigned short content;
union {
struct snd_info_entry_text text;
struct snd_info_entry_ops *ops;
const struct snd_info_entry_ops *ops;
} c;
struct snd_info_entry *parent;
struct module *module;

2
sound/drivers/opl4/opl4_proc.c
View File

@@ -76,7 +76,7 @@ static ssize_t snd_opl4_mem_proc_write(struct snd_info_entry *entry,
return count;
}
static struct snd_info_entry_ops snd_opl4_mem_proc_ops = {
static const struct snd_info_entry_ops snd_opl4_mem_proc_ops = {
.open = snd_opl4_mem_proc_open,
.release = snd_opl4_mem_proc_release,
.read = snd_opl4_mem_proc_read,

2
sound/isa/gus/gus_mem_proc.c
View File

@@ -37,7 +37,7 @@ static void snd_gf1_mem_proc_free(struct snd_info_entry *entry)
kfree(priv);
}
static struct snd_info_entry_ops snd_gf1_mem_proc_ops = {
static const struct snd_info_entry_ops snd_gf1_mem_proc_ops = {
.read = snd_gf1_mem_proc_dump,
};

4
sound/pci/cs4281.c
View File

@@ -1129,11 +1129,11 @@ static ssize_t snd_cs4281_BA1_read(struct snd_info_entry *entry,
return count;
}
static struct snd_info_entry_ops snd_cs4281_proc_ops_BA0 = {
static const struct snd_info_entry_ops snd_cs4281_proc_ops_BA0 = {
.read = snd_cs4281_BA0_read,
};
static struct snd_info_entry_ops snd_cs4281_proc_ops_BA1 = {
static const struct snd_info_entry_ops snd_cs4281_proc_ops_BA1 = {
.read = snd_cs4281_BA1_read,
};

2
sound/pci/cs46xx/cs46xx_lib.c
View File

@@ -2815,7 +2815,7 @@ static ssize_t snd_cs46xx_io_read(struct snd_info_entry *entry,
return count;
}
static struct snd_info_entry_ops snd_cs46xx_proc_io_ops = {
static const struct snd_info_entry_ops snd_cs46xx_proc_io_ops = {
.read = snd_cs46xx_io_read,
};

2
sound/pci/emu10k1/emuproc.c
View File

@@ -545,7 +545,7 @@ static void snd_emu_proc_ptr_reg_read20c(struct snd_info_entry *entry,
}
#endif
static struct snd_info_entry_ops snd_emu10k1_proc_ops_fx8010 = {
static const struct snd_info_entry_ops snd_emu10k1_proc_ops_fx8010 = {
.read = snd_emu10k1_fx8010_read,
};

4
sound/pci/mixart/mixart.c
View File

@@ -1153,11 +1153,11 @@ static ssize_t snd_mixart_BA1_read(struct snd_info_entry *entry,
return count;
}
static struct snd_info_entry_ops snd_mixart_proc_ops_BA0 = {
static const struct snd_info_entry_ops snd_mixart_proc_ops_BA0 = {
.read = snd_mixart_BA0_read,
};
static struct snd_info_entry_ops snd_mixart_proc_ops_BA1 = {
static const struct snd_info_entry_ops snd_mixart_proc_ops_BA1 = {
.read = snd_mixart_BA1_read,
};