ath9k: Enable Fractional N mode

This patch enables Fractional N mode for all channel
if the EEPROM says so, and also fixes the INI only
when the device is not a 2 GHz only capable device.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 10 insertions, 8 deletions

diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c
index 55d5a7440942..6939e4142325 100644
--- a/drivers/net/wireless/ath9k/hw.c
+++ b/drivers/net/wireless/ath9k/hw.c
@@ -823,7 +823,16 @@ static struct ath_hw *ath9k_hw_do_attach(u16 devid, struct ath_softc *sc,
         if (AR_SREV_9280_20(ah))
                 ath9k_hw_init_txgain_ini(ah);
 
-        if (ah->hw_version.devid == AR9280_DEVID_PCI) {
+        if (!ath9k_hw_fill_cap_info(ah)) {
+                DPRINTF(sc, ATH_DBG_RESET, "failed ath9k_hw_fill_cap_info\n");
+                ecode = -EINVAL;
+                goto bad;
+        }
+
+        if ((ah->hw_version.devid == AR9280_DEVID_PCI) &&
+            test_bit(ATH9K_MODE_11A, ah->caps.wireless_modes)) {
+
+                /* EEPROM Fixup */
                 for (i = 0; i < ah->iniModes.ia_rows; i++) {
                         u32 reg = INI_RA(&ah->iniModes, i, 0);
 
@@ -838,13 +847,6 @@ static struct ath_hw *ath9k_hw_do_attach(u16 devid, struct ath_softc *sc,
                 }
         }
 
-        if (!ath9k_hw_fill_cap_info(ah)) {
-                DPRINTF(sc, ATH_DBG_RESET,
-                        "failed ath9k_hw_fill_cap_info\n");
-                ecode = -EINVAL;
-                goto bad;
-        }
-
         ecode = ath9k_hw_init_macaddr(ah);
         if (ecode != 0) {
                 DPRINTF(sc, ATH_DBG_RESET,