ath5k: shifting the wrong variable for AR5K_AR5210

In the original code we shift "AR5K_PHY(256) >> 28" which is zero but
the intent was to shift the return value of ath5k_hw_reg_read() like we
do a couple lines later.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c
index d6bc7cb..1a2973b 100644 (file)
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -110,7 +110,7 @@ ath5k_hw_radio_revision(struct ath5k_hw *ah, enum ieee80211_band band)
                ath5k_hw_reg_write(ah, 0x00010000, AR5K_PHY(0x20));
 
        if (ah->ah_version == AR5K_AR5210) {
-               srev = ath5k_hw_reg_read(ah, AR5K_PHY(256) >> 28) & 0xf;
+               srev = (ath5k_hw_reg_read(ah, AR5K_PHY(256)) >> 28) & 0xf;
                ret = (u16)ath5k_hw_bitswap(srev, 4) + 1;
        } else {
                srev = (ath5k_hw_reg_read(ah, AR5K_PHY(0x100)) >> 24) & 0xff;