iwlwifi: update testmode command of direct register access

In order to make sure the testcommand function of direct register
access can be performed even NIC is asleep, replace corresponding
handler iwl_read32 and iwl_write32 by using iwl_direct_read32 and
iwl_direct_write32.
Signed-off-by: Kenny Hsu <kenny.hsu@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-testmode.c

@@ -299,7 +299,7 @@ static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb)
 
 	switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
 	case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32:
-		val32 = iwl_read32(bus(priv), ofs);
+		val32 = iwl_read_direct32(bus(priv), ofs);
 		IWL_INFO(priv, "32bit value to read 0x%x\n", val32);
 
 		skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20);
@@ -321,7 +321,7 @@ static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb)
 		} else {
 			val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]);
 			IWL_INFO(priv, "32bit value to write 0x%x\n", val32);
-			iwl_write32(bus(priv), ofs, val32);
+			iwl_write_direct32(bus(priv), ofs, val32);
 		}
 		break;
 	case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8: