RT2860_PHY_SHPRE
switch ((phy & RT2860_PHY_MCS) & ~RT2860_PHY_SHPRE) {
if (phy & RT2860_PHY_SHPRE)
mcs |= RT2860_PHY_SHPRE;
if (mcs & RT2860_PHY_SHPRE)
switch ((phy & RT2860_PHY_MCS) & ~RT2860_PHY_SHPRE) {
if (phy & RT2860_PHY_SHPRE)
mcs |= RT2860_PHY_SHPRE;
if (mcs & RT2860_PHY_SHPRE)