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Commit 77b6c42e authored by Mateusz Kulikowski's avatar Mateusz Kulikowski Committed by Greg Kroah-Hartman
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staging: rtl8192e: Simplify _rtl92e_calculate_bit_shift 



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

Signed-off-by: default avatarMateusz Kulikowski <mateusz.kulikowski@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent fcf481db

drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c

+4 −7
Original line number Diff line number Diff line
@@ -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)