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authorSujith Manoharan <c_manoha@qca.qualcomm.com>2013-12-18 04:23:27 (GMT)
committerJohn W. Linville <linville@tuxdriver.com>2013-12-18 20:23:51 (GMT)
commitd7df7a55cbac30acf8edade8f06458d35900ebfa (patch)
tree6a3ae828a3575178d29619f0a09065c0c26cb653
parent4dc78c437a0a2ac152a2b2c5e91a814a6ef3599e (diff)
downloadlinux-d7df7a55cbac30acf8edade8f06458d35900ebfa.tar.xz
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>
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c70
-rw-r--r--drivers/net/wireless/ath/ath9k/init.c1
2 files changed, 38 insertions, 33 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 3ca682f..0e548a4 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))
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index ea67c01..e63465b7 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -470,7 +470,6 @@ static int ath9k_init_queues(struct ath_softc *sc)
sc->beacon.beaconq = ath9k_hw_beaconq_setup(sc->sc_ah);
sc->beacon.cabq = ath_txq_setup(sc, ATH9K_TX_QUEUE_CAB, 0);
-
ath_cabq_update(sc);
sc->tx.uapsdq = ath_txq_setup(sc, ATH9K_TX_QUEUE_UAPSD, 0);