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rtlwifi: add CONFIG_RTLWIFI_DEBUG to remove all of the debug logging code

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It does seem odd though to have a DBG_EMERG and not always
emit it.

What might also be useful for any embedded use is to add
CONFIG_RTLWIFI_DEBUG to conditionally remove all of the
debug logging code to reduce the largish object size.

This reduces the object size by about 1/3 (250KB)
when CONFIG_RTLWIFI_DEBUG is not set.

$ size drivers/net/wireless/rtlwifi/built-in.o*
   text	   data	    bss	    dec	    hex	filename
 368722	  55333	  94224	 518279	  7e887	drivers/net/wireless/rtlwifi/built-in.o.new
 586904	  55333	 127216	 769453	  bbdad	drivers/net/wireless/rtlwifi/built-in.o.old

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Joe Perches 2012-01-05 08:29:07 -08:00 committed by John W. Linville
parent f56e7eb4dd
commit 481b9606ec
2 changed files with 39 additions and 0 deletions
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5
drivers/net/wireless/rtlwifi/Kconfig
View file

@ -49,6 +49,11 @@ config RTLWIFI
depends on RTL8192CE || RTL8192CU || RTL8192SE || RTL8192DE
default m
config RTLWIFI_DEBUG
tristate "Additional debugging output"
depends on RTL8192CE || RTL8192CU || RTL8192SE || RTL8192DE
default y
config RTL8192C_COMMON
tristate
depends on RTL8192CE || RTL8192CU

34
drivers/net/wireless/rtlwifi/debug.h
View file

@ -156,6 +156,8 @@ enum dbgp_flag_e {
DBGP_TYPE_MAX
};
#ifdef CONFIG_RTLWIFI_DEBUG
#define RT_ASSERT(_exp, fmt, ...) \
do { \
if (!(_exp)) { \
@ -195,5 +197,37 @@ do { \
} \
} while (0)
#else
struct rtl_priv;
__printf(2, 3)
static inline void RT_ASSERT(int exp, const char *fmt, ...)
{
}
__printf(4, 5)
static inline void RT_TRACE(struct rtl_priv *rtlpriv,
int comp, int level,
const char *fmt, ...)
{
}
__printf(4, 5)
static inline void RTPRINT(struct rtl_priv *rtlpriv,
int dbgtype, int dbgflag,
const char *fmt, ...)
{
}
static inline void RT_PRINT_DATA(struct rtl_priv *rtlpriv,
int comp, int level,
const char *titlestring,
const void *hexdata, size_t hexdatalen)
{
}
#endif
void rtl_dbgp_flag_init(struct ieee80211_hw *hw);
#endif