ath9k: prevent writes to const data on AR9160

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30551 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch
index d401b54..93773d7 100644 (file)
--- a/package/mac80211/patches/300-pending_work.patch
+++ b/package/mac80211/patches/300-pending_work.patch
@@ -284,3 +284,89 @@
        local->network_latency_notifier.notifier_call =
                ieee80211_max_network_latency;
        result = pm_qos_add_notifier(PM_QOS_NETWORK_LATENCY,
+--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+@@ -489,8 +489,6 @@ static int ar5008_hw_rf_alloc_ext_banks(
+       ATH_ALLOC_BANK(ah->analogBank6Data, ah->iniBank6.ia_rows);
+       ATH_ALLOC_BANK(ah->analogBank6TPCData, ah->iniBank6TPC.ia_rows);
+       ATH_ALLOC_BANK(ah->analogBank7Data, ah->iniBank7.ia_rows);
+-      ATH_ALLOC_BANK(ah->addac5416_21,
+-                     ah->iniAddac.ia_rows * ah->iniAddac.ia_columns);
+       ATH_ALLOC_BANK(ah->bank6Temp, ah->iniBank6.ia_rows);
+ 
+       return 0;
+@@ -519,7 +517,6 @@ static void ar5008_hw_rf_free_ext_banks(
+       ATH_FREE_BANK(ah->analogBank6Data);
+       ATH_FREE_BANK(ah->analogBank6TPCData);
+       ATH_FREE_BANK(ah->analogBank7Data);
+-      ATH_FREE_BANK(ah->addac5416_21);
+       ATH_FREE_BANK(ah->bank6Temp);
+ 
+ #undef ATH_FREE_BANK
+@@ -805,27 +802,7 @@ static int ar5008_hw_process_ini(struct 
+       if (ah->eep_ops->set_addac)
+               ah->eep_ops->set_addac(ah, chan);
+ 
+-      if (AR_SREV_5416_22_OR_LATER(ah)) {
+-              REG_WRITE_ARRAY(&ah->iniAddac, 1, regWrites);
+-      } else {
+-              struct ar5416IniArray temp;
+-              u32 addacSize =
+-                      sizeof(u32) * ah->iniAddac.ia_rows *
+-                      ah->iniAddac.ia_columns;
+-
+-              /* For AR5416 2.0/2.1 */
+-              memcpy(ah->addac5416_21,
+-                     ah->iniAddac.ia_array, addacSize);
+-
+-              /* override CLKDRV value at [row, column] = [31, 1] */
+-              (ah->addac5416_21)[31 * ah->iniAddac.ia_columns + 1] = 0;
+-
+-              temp.ia_array = ah->addac5416_21;
+-              temp.ia_columns = ah->iniAddac.ia_columns;
+-              temp.ia_rows = ah->iniAddac.ia_rows;
+-              REG_WRITE_ARRAY(&temp, 1, regWrites);
+-      }
+-
++      REG_WRITE_ARRAY(&ah->iniAddac, 1, regWrites);
+       REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
+ 
+       ENABLE_REGWRITE_BUFFER(ah);
+--- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c
++++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
+@@ -180,6 +180,25 @@ static void ar9002_hw_init_mode_regs(str
+               INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac,
+                              ARRAY_SIZE(ar5416Addac), 2);
+       }
++
++      /* iniAddac needs to be modified for these chips */
++      if (AR_SREV_9160(ah) || !AR_SREV_5416_22_OR_LATER(ah)) {
++              struct ar5416IniArray *addac = &ah->iniAddac;
++              u32 size = sizeof(u32) * addac->ia_rows * addac->ia_columns;
++              u32 *data;
++
++              data = kmalloc(size, GFP_KERNEL);
++              if (!data)
++                      return;
++
++              memcpy(data, addac->ia_array, size);
++              addac->ia_array = data;
++
++              if (!AR_SREV_5416_22_OR_LATER(ah)) {
++                      /* override CLKDRV value */
++                      INI_RA(addac, 31,1) = 0;
++              }
++      }
+ }
+ 
+ /* Support for Japan ch.14 (2484) spread */
+--- a/drivers/net/wireless/ath/ath9k/hw.h
++++ b/drivers/net/wireless/ath/ath9k/hw.h
+@@ -940,7 +940,6 @@ struct ath_hw {
+       u32 *analogBank6Data;
+       u32 *analogBank6TPCData;
+       u32 *analogBank7Data;
+-      u32 *addac5416_21;
+       u32 *bank6Temp;
+ 
+       u8 txpower_limit;