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staging: rtl8723au: core: Replace open coded version with existing hweight function

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This patch replaces the open coded version with Linux's existing hweight
functions.
The original version checked each of the low four bits, accumulating and
returning the result. Instead, use a mask to select those four bits, and
pass the result to hweight8.
It also makes the code in this function simpler.

Signed-off-by: Tapasweni Pathak <tapaswenipathak@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tapasweni Pathak 2014-10-08 10:15:42 +05:30 committed by Greg Kroah-Hartman
parent 2430454e92
commit 4ecdc381d7
1 changed files with 1 additions and 6 deletions
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7
drivers/staging/rtl8723au/core/rtw_efuse.c
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@ -117,12 +117,7 @@ Efuse_GetCurrentSize23a(struct rtw_adapter *pAdapter, u8 efuseType)
u8
Efuse_CalculateWordCnts23a(u8 word_en)
{
u8 word_cnts = 0;
if (!(word_en & BIT(0))) word_cnts++; /* 0 : write enable */
if (!(word_en & BIT(1))) word_cnts++;
if (!(word_en & BIT(2))) word_cnts++;
if (!(word_en & BIT(3))) word_cnts++;
return word_cnts;
return hweight8((~word_en) & 0xf);
}
/* */