ath6kl: Fix mapping uplink endpoint for AR6004

AR6004(UB134) firmware supports only LP Endpoint, So map
all Access Categories to Low Priority endpoints. This fixes a WPA2
connection issue as the uplink(tx) endpoint is appropriately
mapped in sync with the firmware.
Tested-by: Ben Gray <ben.r.gray@gmail.com>
Reported-by: Ben Gray <ben.r.gray@gmail.com>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath6kl/core.h

@@ -151,6 +151,7 @@ struct ath6kl_fw_ie {
 enum ath6kl_hw_flags {
 	ATH6KL_HW_64BIT_RATES		= BIT(0),
 	ATH6KL_HW_AP_INACTIVITY_MINS	= BIT(1),
+	ATH6KL_HW_MAP_LP_ENDPOINT	= BIT(2),
 };
 
 #define ATH6KL_FW_API2_FILE "fw-2.bin"

drivers/net/wireless/ath/ath6kl/init.c

@@ -155,7 +155,8 @@ static const struct ath6kl_hw hw_list[] = {
 		.refclk_hz                      = 40000000,
 		.uarttx_pin                     = 11,
 		.flags				= ATH6KL_HW_64BIT_RATES |
-						  ATH6KL_HW_AP_INACTIVITY_MINS,
+						  ATH6KL_HW_AP_INACTIVITY_MINS |
+						  ATH6KL_HW_MAP_LP_ENDPOINT,
 
 		.fw = {
 			.dir            = AR6004_HW_1_3_FW_DIR,
@@ -360,7 +361,7 @@ static int ath6kl_init_service_ep(struct ath6kl *ar)
 	if (ath6kl_connectservice(ar, &connect, "WMI DATA BK"))
 		return -EIO;
 
-	/* connect to Video service, map this to to HI PRI */
+	/* connect to Video service, map this to HI PRI */
 	connect.svc_id = WMI_DATA_VI_SVC;
 	if (ath6kl_connectservice(ar, &connect, "WMI DATA VI"))
 		return -EIO;

drivers/net/wireless/ath/ath6kl/usb.c

@@ -805,6 +805,10 @@ static int ath6kl_usb_map_service_pipe(struct ath6kl *ar, u16 svc_id,
 		*dl_pipe = ATH6KL_USB_PIPE_RX_DATA;
 		break;
 	case WMI_DATA_VI_SVC:
+
+		if (ar->hw.flags & ATH6KL_HW_MAP_LP_ENDPOINT)
+			*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP;
+		else
 			*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_MP;
 		/*
 		* Disable rxdata2 directly, it will be enabled
@@ -813,7 +817,11 @@ static int ath6kl_usb_map_service_pipe(struct ath6kl *ar, u16 svc_id,
 		*dl_pipe = ATH6KL_USB_PIPE_RX_DATA;
 		break;
 	case WMI_DATA_VO_SVC:
-		*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_HP;
+
+		if (ar->hw.flags & ATH6KL_HW_MAP_LP_ENDPOINT)
+			*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP;
+		else
+			*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_MP;
 		/*
 		* Disable rxdata2 directly, it will be enabled
 		* if FW enable rxdata2