ath9k: Use a subroutine for the AR9330 reset WAR

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

1 files changed, 38 insertions, 32 deletions

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 3ca682f3c704..0e548a461f55 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1272,6 +1272,42 @@ void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah, u32 coef_scaled,
         *coef_exponent = coef_exp - 16;
 }
 
+/* AR9330 WAR:
+ * call external reset function to reset WMAC if:
+ * - doing a cold reset
+ * - we have pending frames in the TX queues.
+ */
+static bool ath9k_hw_ar9330_reset_war(struct ath_hw *ah, int type)
+{
+        int i, npend = 0;
+
+        for (i = 0; i < AR_NUM_QCU; i++) {
+                npend = ath9k_hw_numtxpending(ah, i);
+                if (npend)
+                        break;
+        }
+
+        if (ah->external_reset &&
+            (npend || type == ATH9K_RESET_COLD)) {
+                int reset_err = 0;
+
+                ath_dbg(ath9k_hw_common(ah), RESET,
+                        "reset MAC via external reset\n");
+
+                reset_err = ah->external_reset();
+                if (reset_err) {
+                        ath_err(ath9k_hw_common(ah),
+                                "External reset failed, err=%d\n",
+                                reset_err);
+                        return false;
+                }
+
+                REG_WRITE(ah, AR_RTC_RESET, 1);
+        }
+
+        return true;
+}
+
 static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
 {
         u32 rst_flags;
@@ -1322,38 +1358,8 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
         }
 
         if (AR_SREV_9330(ah)) {
-                int npend = 0;
-                int i;
-
-                /* AR9330 WAR:
-                 * call external reset function to reset WMAC if:
-                 * - doing a cold reset
-                 * - we have pending frames in the TX queues
-                 */
-
-                for (i = 0; i < AR_NUM_QCU; i++) {
-                        npend = ath9k_hw_numtxpending(ah, i);
-                        if (npend)
-                                break;
-                }
-
-                if (ah->external_reset &&
-                    (npend || type == ATH9K_RESET_COLD)) {
-                        int reset_err = 0;
-
-                        ath_dbg(ath9k_hw_common(ah), RESET,
-                                "reset MAC via external reset\n");
-
-                        reset_err = ah->external_reset();
-                        if (reset_err) {
-                                ath_err(ath9k_hw_common(ah),
-                                        "External reset failed, err=%d\n",
-                                        reset_err);
-                                return false;
-                        }
-
-                        REG_WRITE(ah, AR_RTC_RESET, 1);
-                }
+                if (!ath9k_hw_ar9330_reset_war(ah, type))
+                        return false;
         }
 
         if (ath9k_hw_mci_is_enabled(ah))