From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 29 Aug 2011 12:01:06 +0000 (+0000)
Subject: ath9k: use cold reset instead of warm reset on ar9280 to make recovery from stuck... 
X-Git-Tag: v19.07.0-rc1~26617
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=78ec994ef83a85285908b28a4fbffee1cf5ad204;p=openwrt%2Fstaging%2Fhauke.git

ath9k: use cold reset instead of warm reset on ar9280 to make recovery from stuck states more reliable

SVN-Revision: 28118
---

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
index 0000000000..0f770fc04b
--- /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))