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Commit 857c0fc4 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by John W. Linville
Browse files

b43: use standard fls for finding the most significant bit 



Signed-off-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent e239d859

drivers/net/wireless/b43/phy_lp.c

+2 −15
Original line number Diff line number Diff line
@@ -1710,19 +1710,6 @@ static const struct lpphy_rx_iq_comp lpphy_rev2plus_iq_comp = { 
	.c0 = 0,

};



static u8 lpphy_nbits(s32 val)

{

	u32 tmp = abs(val);

	u8 nbits = 0;



	while (tmp != 0) {

		nbits++;

		tmp >>= 1;

	}



	return nbits;

}



static int lpphy_calc_rx_iq_comp(struct b43_wldev *dev, u16 samples)

{

	struct lpphy_iq_est iq_est;
@@ -1749,8 +1736,8 @@ static int lpphy_calc_rx_iq_comp(struct b43_wldev *dev, u16 samples) 
		goto out;

	}



	prod_msb = lpphy_nbits(prod);

	q_msb = lpphy_nbits(qpwr);

	prod_msb = fls(abs(prod));

	q_msb = fls(abs(qpwr));

	tmp1 = prod_msb - 20;



	if (tmp1 >= 0) {