hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

staging: rtl8192e: Simplify _rtl92e_calculate_bit_shift 

Use ffs instead of iteration. Behaviour of function doesn't change.

Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mateusz Kulikowski 2015-09-20 21:04:32 +02:00 committed by Greg Kroah-Hartman
parent fcf481dbbd
commit 77b6c42e02
1 changed files with 4 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c
View File

@ -13,6 +13,7 @@
* wlanfae <wlanfae@realtek.com>
******************************************************************************/
#include <linux/bitops.h>
#include "rtl_core.h"
#include "r8192E_hw.h"
#include "r8192E_phyreg.h"
@ -50,13 +51,9 @@ static void _rtl92e_phy_rf_fw_write(struct net_device *dev,
static u32 _rtl92e_calculate_bit_shift(u32 dwBitMask)
{
u32 i;
for (i = 0; i <= 31; i++) {
if (((dwBitMask >> i) & 0x1) == 1)
break;
}
return i;
if (!dwBitMask)
return 32;
return ffs(dwBitMask) - 1;
}
u8 rtl92e_is_legal_rf_path(struct net_device *dev, u32 eRFPath)