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ALSA: core: Drop snd_print stuff and co

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Now that all users of snd_print*() are gone, let's drop the functions
completely.  This also makes CONFIG_SND_VERBOSE_PRINTK redundant, and
it's dropped, too.

Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240807133452.9424-55-tiwai@suse.de
This commit is contained in:
Takashi Iwai 2024-08-07 15:34:44 +02:00
parent 9acb51e961
commit 504dc9f5e6
3 changed files with 0 additions and 147 deletions
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67
include/sound/core.h
View File

@ -345,45 +345,7 @@ void release_and_free_resource(struct resource *res);
/* --- */
/* sound printk debug levels */
enum {
SND_PR_ALWAYS,
SND_PR_DEBUG,
SND_PR_VERBOSE,
};
#if defined(CONFIG_SND_DEBUG) || defined(CONFIG_SND_VERBOSE_PRINTK)
__printf(4, 5)
void __snd_printk(unsigned int level, const char *file, int line,
const char *format, ...);
#else
#define __snd_printk(level, file, line, format, ...) \
printk(format, ##__VA_ARGS__)
#endif
/**
* snd_printk - printk wrapper
* @fmt: format string
*
* Works like printk() but prints the file and the line of the caller
* when configured with CONFIG_SND_VERBOSE_PRINTK.
*/
#define snd_printk(fmt, ...) \
__snd_printk(0, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
#ifdef CONFIG_SND_DEBUG
/**
* snd_printd - debug printk
* @fmt: format string
*
* Works like snd_printk() for debugging purposes.
* Ignored when CONFIG_SND_DEBUG is not set.
*/
#define snd_printd(fmt, ...) \
__snd_printk(1, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
#define _snd_printd(level, fmt, ...) \
__snd_printk(level, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
/**
* snd_BUG - give a BUG warning message and stack trace
*
@ -392,12 +354,6 @@ void __snd_printk(unsigned int level, const char *file, int line,
*/
#define snd_BUG() WARN(1, "BUG?\n")
/**
* snd_printd_ratelimit - Suppress high rates of output when
* CONFIG_SND_DEBUG is enabled.
*/
#define snd_printd_ratelimit() printk_ratelimit()
/**
* snd_BUG_ON - debugging check macro
* @cond: condition to evaluate
@ -409,11 +365,6 @@ void __snd_printk(unsigned int level, const char *file, int line,
#else /* !CONFIG_SND_DEBUG */
__printf(1, 2)
static inline void snd_printd(const char *format, ...) {}
__printf(2, 3)
static inline void _snd_printd(int level, const char *format, ...) {}
#define snd_BUG() do { } while (0)
#define snd_BUG_ON(condition) ({ \
@ -421,26 +372,8 @@ static inline void _snd_printd(int level, const char *format, ...) {}
unlikely(__ret_warn_on); \
})
static inline bool snd_printd_ratelimit(void) { return false; }
#endif /* CONFIG_SND_DEBUG */
#ifdef CONFIG_SND_DEBUG_VERBOSE
/**
* snd_printdd - debug printk
* @format: format string
*
* Works like snd_printk() for debugging purposes.
* Ignored when CONFIG_SND_DEBUG_VERBOSE is not set.
*/
#define snd_printdd(format, ...) \
__snd_printk(2, __FILE__, __LINE__, format, ##__VA_ARGS__)
#else
__printf(1, 2)
static inline void snd_printdd(const char *format, ...) {}
#endif
#define SNDRV_OSS_VERSION ((3<<16)|(8<<8)|(1<<4)|(0)) /* 3.8.1a */
/* for easier backward-porting */

9
sound/core/Kconfig
View File

@ -175,15 +175,6 @@ config SND_VERBOSE_PROCFS
useful information to developers when a problem occurs). On the
other side, it makes the ALSA subsystem larger.
config SND_VERBOSE_PRINTK
bool "Verbose printk"
help
Say Y here to enable verbose log messages. These messages
will help to identify source file and position containing
printed messages.
You don't need this unless you're debugging ALSA.
config SND_CTL_FAST_LOOKUP
bool "Fast lookup of control elements" if EXPERT
default y

71
sound/core/misc.c
View File

@ -13,20 +13,6 @@
#include <linux/fs.h>
#include <sound/core.h>
#ifdef CONFIG_SND_DEBUG
#ifdef CONFIG_SND_DEBUG_VERBOSE
#define DEFAULT_DEBUG_LEVEL 2
#else
#define DEFAULT_DEBUG_LEVEL 1
#endif
static int debug = DEFAULT_DEBUG_LEVEL;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Debug level (0 = disable)");
#endif /* CONFIG_SND_DEBUG */
void release_and_free_resource(struct resource *res)
{
if (res) {
@ -36,63 +22,6 @@ void release_and_free_resource(struct resource *res)
}
EXPORT_SYMBOL(release_and_free_resource);
#ifdef CONFIG_SND_VERBOSE_PRINTK
/* strip the leading path if the given path is absolute */
static const char *sanity_file_name(const char *path)
{
if (*path == '/')
return strrchr(path, '/') + 1;
else
return path;
}
#endif
#if defined(CONFIG_SND_DEBUG) || defined(CONFIG_SND_VERBOSE_PRINTK)
void __snd_printk(unsigned int level, const char *path, int line,
const char *format, ...)
{
va_list args;
#ifdef CONFIG_SND_VERBOSE_PRINTK
int kern_level;
struct va_format vaf;
char verbose_fmt[] = KERN_DEFAULT "ALSA %s:%d %pV";
bool level_found = false;
#endif
#ifdef CONFIG_SND_DEBUG
if (debug < level)
return;
#endif
va_start(args, format);
#ifdef CONFIG_SND_VERBOSE_PRINTK
vaf.fmt = format;
vaf.va = &args;
while ((kern_level = printk_get_level(vaf.fmt)) != 0) {
const char *end_of_header = printk_skip_level(vaf.fmt);
/* Ignore KERN_CONT. We print filename:line for each piece. */
if (kern_level >= '0' && kern_level <= '7') {
memcpy(verbose_fmt, vaf.fmt, end_of_header - vaf.fmt);
level_found = true;
}
vaf.fmt = end_of_header;
}
if (!level_found && level)
memcpy(verbose_fmt, KERN_DEBUG, sizeof(KERN_DEBUG) - 1);
printk(verbose_fmt, sanity_file_name(path), line, &vaf);
#else
vprintk(format, args);
#endif
va_end(args);
}
EXPORT_SYMBOL_GPL(__snd_printk);
#endif
#ifdef CONFIG_PCI
#include <linux/pci.h>
/**