ath9k: use cold reset instead of warm reset on ar9280 to make recovery from stuck...

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28118 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/mac80211/patches/593-ath9k_ar9280_cold_reset.patch b/package/mac80211/patches/593-ath9k_ar9280_cold_reset.patch
new file mode 100644 (file)
index 0000000..0f770fc
--- /dev/null
+++ b/package/mac80211/patches/593-ath9k_ar9280_cold_reset.patch
@@ -0,0 +1,23 @@
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -1368,10 +1368,16 @@ static bool ath9k_hw_set_reset_reg(struc
+ static bool ath9k_hw_chip_reset(struct ath_hw *ah,
+                               struct ath9k_channel *chan)
+ {
+-      if (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) {
+-              if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON))
+-                      return false;
+-      } else if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
++      int reset_type = ATH9K_RESET_WARM;
++
++      if (AR_SREV_9280(ah)) {
++              if (ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
++                      reset_type = ATH9K_RESET_POWER_ON;
++              else
++                      reset_type = ATH9K_RESET_COLD;
++      }
++
++      if (!ath9k_hw_set_reset_reg(ah, reset_type))
+               return false;
+ 
+       if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))