ath9k: Fix bug in EEPROM chainmask retrieval

Using wrong chainmasks would have an adverse impact on performance.
This patch fixes chainmask retrieval for non-PCIE cards.

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

1 files changed, 5 insertions, 8 deletions

diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c
index 6f2e92ec77ae..2acbb84dc2ba 100644
--- a/drivers/net/wireless/ath9k/hw.c
+++ b/drivers/net/wireless/ath9k/hw.c
@@ -3220,14 +3220,11 @@ bool ath9k_hw_fill_cap_info(struct ath_hw *ah)
         }
 
         pCap->tx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_TX_MASK);
-        if ((ah->is_pciexpress)
-            || (eeval & AR5416_OPFLAGS_11A)) {
-                pCap->rx_chainmask =
-                        ah->eep_ops->get_eeprom(ah, EEP_RX_MASK);
-        } else {
-                pCap->rx_chainmask =
-                        (ath9k_hw_gpio_get(ah, 0)) ? 0x5 : 0x7;
-        }
+        if ((ah->hw_version.devid == AR5416_DEVID_PCI) &&
+            !(eeval & AR5416_OPFLAGS_11A))
+                pCap->rx_chainmask = ath9k_hw_gpio_get(ah, 0) ? 0x5 : 0x7;
+        else
+                pCap->rx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_RX_MASK);
 
         if (!(AR_SREV_9280(ah) && (ah->hw_version.macRev == 0)))
                 ah->misc_mode |= AR_PCU_MIC_NEW_LOC_ENA;