ath5k: add a missing srev checks for code that lowers the synth voltage - might fix...

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27325 3c298f89-4303-0410-b956-a3cf2f4a3e73

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 (file)
index 0000000..d08b823
--- /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) {