ath9k: fix BTCoex access invalid registers for SOC chips
authorMiaoqing Pan <miaoqing@codeaurora.org>
Mon, 7 Mar 2016 02:38:20 +0000 (10:38 +0800)
committerKalle Valo <kvalo@qca.qualcomm.com>
Fri, 11 Mar 2016 12:00:03 +0000 (14:00 +0200)
The registers of AR_GPIO_INPUT_MUX1 and AR_GPIO_PDPU were removed
from SOC chips, fix invalid accessing

Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
drivers/net/wireless/ath/ath9k/btcoex.c

index 95a810b..d46cd31 100644 (file)
@@ -162,9 +162,10 @@ void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah)
                    AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB);
 
        /* Set input mux for bt_active to gpio pin */
-       REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1,
-                     AR_GPIO_INPUT_MUX1_BT_ACTIVE,
-                     btcoex_hw->btactive_gpio);
+       if (!AR_SREV_SOC(ah))
+               REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1,
+                             AR_GPIO_INPUT_MUX1_BT_ACTIVE,
+                             btcoex_hw->btactive_gpio);
 
        /* Configure the desired gpio port for input */
        ath9k_hw_gpio_request_in(ah, btcoex_hw->btactive_gpio,
@@ -183,13 +184,14 @@ void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah)
 
        /* Set input mux for bt_prority_async and
         *                  bt_active_async to GPIO pins */
-       REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1,
-                       AR_GPIO_INPUT_MUX1_BT_ACTIVE,
-                       btcoex_hw->btactive_gpio);
-
-       REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1,
-                       AR_GPIO_INPUT_MUX1_BT_PRIORITY,
-                       btcoex_hw->btpriority_gpio);
+       if (!AR_SREV_SOC(ah)) {
+               REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1,
+                             AR_GPIO_INPUT_MUX1_BT_ACTIVE,
+                             btcoex_hw->btactive_gpio);
+               REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1,
+                             AR_GPIO_INPUT_MUX1_BT_PRIORITY,
+                             btcoex_hw->btpriority_gpio);
+       }
 
        /* Configure the desired GPIO ports for input */
        ath9k_hw_gpio_request_in(ah, btcoex_hw->btactive_gpio,
@@ -285,13 +287,13 @@ void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
                                 txprio_shift[i-1]);
                }
        }
+
        /* Last WLAN weight has to be adjusted wrt tx priority */
        if (concur_tx) {
                btcoex_hw->wlan_weight[i-1] &= ~(0xff << txprio_shift[i-1]);
                btcoex_hw->wlan_weight[i-1] |= (btcoex_hw->tx_prio[stomp_type]
                                                      << txprio_shift[i-1]);
        }
-
 }
 EXPORT_SYMBOL(ath9k_hw_btcoex_set_weight);
 
@@ -375,7 +377,8 @@ void ath9k_hw_btcoex_enable(struct ath_hw *ah)
                break;
        }
 
-       if (ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_MCI) {
+       if (ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_MCI &&
+           !AR_SREV_SOC(ah)) {
                REG_RMW(ah, AR_GPIO_PDPU,
                        (0x2 << (btcoex_hw->btactive_gpio * 2)),
                        (0x3 << (btcoex_hw->btactive_gpio * 2)));