From 0b250e312364e230c70e21a05ebea7000edb14c8 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 1 Jul 2011 05:10:47 +0000
Subject: ath5k: add a missing srev checks for code that lowers the synth
voltage - might fix some stability issues
SVN-Revision: 27325
---
.../441-ath5k_synth_voltage_srev_check.patch | 31 ++++++++++++++++++++++
1 file changed, 31 insertions(+)
create mode 100644 package/mac80211/patches/441-ath5k_synth_voltage_srev_check.patch
(limited to 'package/mac80211/patches')
diff --git a/package/mac80211/patches/441-ath5k_synth_voltage_srev_check.patch b/package/mac80211/patches/441-ath5k_synth_voltage_srev_check.patch
new file mode 100644
index 0000000000..d08b823c8a
--- /dev/null
+++ b/package/mac80211/patches/441-ath5k_synth_voltage_srev_check.patch
@@ -0,0 +1,31 @@
+--- a/drivers/net/wireless/ath/ath5k/phy.c
++++ b/drivers/net/wireless/ath/ath5k/phy.c
+@@ -970,17 +970,20 @@ static int ath5k_hw_rfregs_init(struct a
+ }
+
+ /* Lower synth voltage on Rev 2 */
+- ath5k_hw_rfb_op(ah, rf_regs, 2,
+- AR5K_RF_HIGH_VC_CP, true);
++ if (ah->ah_radio == AR5K_RF5112 &&
++ (ah->ah_radio_5ghz_revision & AR5K_SREV_REV) > 0) {
++ ath5k_hw_rfb_op(ah, rf_regs, 2,
++ AR5K_RF_HIGH_VC_CP, true);
+
+- ath5k_hw_rfb_op(ah, rf_regs, 2,
+- AR5K_RF_MID_VC_CP, true);
++ ath5k_hw_rfb_op(ah, rf_regs, 2,
++ AR5K_RF_MID_VC_CP, true);
+
+- ath5k_hw_rfb_op(ah, rf_regs, 2,
+- AR5K_RF_LOW_VC_CP, true);
++ ath5k_hw_rfb_op(ah, rf_regs, 2,
++ AR5K_RF_LOW_VC_CP, true);
+
+- ath5k_hw_rfb_op(ah, rf_regs, 2,
+- AR5K_RF_PUSH_UP, true);
++ ath5k_hw_rfb_op(ah, rf_regs, 2,
++ AR5K_RF_PUSH_UP, true);
++ }
+
+ /* Decrease power consumption on 5213+ BaseBand */
+ if (ah->ah_phy_revision >= AR5K_SREV_PHY_5212A) {
--
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