--- /dev/null
+From: Felix Fietkau <nbd@openwrt.org>
+Date: Sun, 21 Jun 2015 19:45:59 +0200
+Subject: [PATCH] ath9k_hw: fix device ID check for AR956x
+
+Because of the missing return, the macVersion value was being
+overwritten with an invalid register read
+
+Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+---
+
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -278,6 +278,7 @@ static void ath9k_hw_read_revisions(stru
+ return;
+ case AR9300_DEVID_QCA956X:
+ ah->hw_version.macVersion = AR_SREV_VERSION_9561;
++ return;
+ }
+
+ val = REG_READ(ah, AR_SREV) & AR_SREV_ID;
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -388,13 +388,8 @@ static void ath9k_hw_init_config(struct
+@@ -389,13 +389,8 @@ static void ath9k_hw_init_config(struct
ah->config.rx_intr_mitigation = true;
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -646,6 +646,7 @@ int ath9k_hw_init(struct ath_hw *ah)
+@@ -647,6 +647,7 @@ int ath9k_hw_init(struct ath_hw *ah)
/* These are all the AR5008/AR9001/AR9002/AR9003 hardware family of chipsets */
switch (ah->hw_version.devid) {
struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah,
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1803,6 +1803,20 @@ u32 ath9k_hw_get_tsf_offset(struct times
+@@ -1804,6 +1804,20 @@ u32 ath9k_hw_get_tsf_offset(struct times
}
EXPORT_SYMBOL(ath9k_hw_get_tsf_offset);
int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
struct ath9k_hw_cal_data *caldata, bool fastcc)
{
-@@ -2011,6 +2025,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+@@ -2012,6 +2026,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
ar9003_hw_disable_phy_restart(ah);
ath9k_hw_apply_gpio_override(ah);
/******************/
/* Chip Revisions */
/******************/
-@@ -1381,6 +1394,9 @@ static bool ath9k_hw_set_reset(struct at
+@@ -1382,6 +1395,9 @@ static bool ath9k_hw_set_reset(struct at
if (AR_SREV_9100(ah))
udelay(50);
return true;
}
-@@ -1480,6 +1496,9 @@ static bool ath9k_hw_chip_reset(struct a
+@@ -1481,6 +1497,9 @@ static bool ath9k_hw_chip_reset(struct a
ar9003_hw_internal_regulator_apply(ah);
ath9k_hw_init_pll(ah, chan);
return true;
}
-@@ -1781,8 +1800,14 @@ static int ath9k_hw_do_fastcc(struct ath
+@@ -1782,8 +1801,14 @@ static int ath9k_hw_do_fastcc(struct ath
if (AR_SREV_9271(ah))
ar9002_hw_load_ani_reg(ah, chan);
return -EINVAL;
}
-@@ -2036,6 +2061,9 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+@@ -2037,6 +2062,9 @@ int ath9k_hw_reset(struct ath_hw *ah, st
ath9k_hw_set_radar_params(ah);
}