ath9k_hw: Fix chip test

USB devices do not require the chip test routine.

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

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index fde978665e07..4a44f711045e 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -436,9 +436,10 @@ static int ath9k_hw_init_macaddr(struct ath_hw *ah)
 
 static int ath9k_hw_post_init(struct ath_hw *ah)
 {
+        struct ath_common *common = ath9k_hw_common(ah);
         int ecode;
 
-        if (!AR_SREV_9271(ah)) {
+        if (common->bus_ops->ath_bus_type != ATH_USB) {
                 if (!ath9k_hw_chip_test(ah))
                         return -ENODEV;
         }