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mtd: ubi: Add logging functions ubi_msg, ubi_warn and ubi_err 

Using logging functions instead of macros can reduce overall object size.

$ size drivers/mtd/ubi/built-in.o*
   text	   data	    bss	    dec	    hex	filename
 271620	 163364	  73696	 508680	  7c308	drivers/mtd/ubi/built-in.o.allyesconfig.new
 287638	 165380	  73504	 526522	  808ba	drivers/mtd/ubi/built-in.o.allyesconfig.old
  87728	   3780	    504	  92012	  1676c	drivers/mtd/ubi/built-in.o.defconfig.new
  97084	   3780	    504	 101368	  18bf8	drivers/mtd/ubi/built-in.o.defconfig.old

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Joe Perches 2016-02-25 09:25:20 -08:00 committed by Richard Weinberger
parent 3e7f2c5104
commit 58d303def2
2 changed files with 59 additions and 6 deletions
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49
drivers/mtd/ubi/misc.c
View File

@ -153,3 +153,52 @@ int ubi_check_pattern(const void *buf, uint8_t patt, int size)
return 0;
return 1;
}
/* Normal UBI messages */
void ubi_msg(const struct ubi_device *ubi, const char *fmt, ...)
{
struct va_format vaf;
va_list args;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
pr_notice(UBI_NAME_STR "%d: %pV\n", ubi->ubi_num, &vaf);
va_end(args);
}
/* UBI warning messages */
void ubi_warn(const struct ubi_device *ubi, const char *fmt, ...)
{
struct va_format vaf;
va_list args;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
pr_warn(UBI_NAME_STR "%d warning: %ps: %pV\n",
ubi->ubi_num, __builtin_return_address(0), &vaf);
va_end(args);
}
/* UBI error messages */
void ubi_err(const struct ubi_device *ubi, const char *fmt, ...)
{
struct va_format vaf;
va_list args;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
pr_err(UBI_NAME_STR "%d error: %ps: %pV\n",
ubi->ubi_num, __builtin_return_address(0), &vaf);
va_end(args);
}

16
drivers/mtd/ubi/ubi.h
View File

@ -49,15 +49,19 @@
/* UBI name used for character devices, sysfs, etc */
#define UBI_NAME_STR "ubi"
struct ubi_device;
/* Normal UBI messages */
#define ubi_msg(ubi, fmt, ...) pr_notice(UBI_NAME_STR "%d: " fmt "\n", \
ubi->ubi_num, ##__VA_ARGS__)
__printf(2, 3)
void ubi_msg(const struct ubi_device *ubi, const char *fmt, ...);
/* UBI warning messages */
#define ubi_warn(ubi, fmt, ...) pr_warn(UBI_NAME_STR "%d warning: %s: " fmt "\n", \
ubi->ubi_num, __func__, ##__VA_ARGS__)
__printf(2, 3)
void ubi_warn(const struct ubi_device *ubi, const char *fmt, ...);
/* UBI error messages */
#define ubi_err(ubi, fmt, ...) pr_err(UBI_NAME_STR "%d error: %s: " fmt "\n", \
ubi->ubi_num, __func__, ##__VA_ARGS__)
__printf(2, 3)
void ubi_err(const struct ubi_device *ubi, const char *fmt, ...);
/* Background thread name pattern */
#define UBI_BGT_NAME_PATTERN "ubi_bgt%dd"