attempt to support Venue 8 Pro wireless (ath6kl backport + add ID)

Backport the latest significant changes from ath6kl in 3.17, and add the SDIO ID of the V8P's wireless adapter. This should possibly make wireless work on the V8P.
2014-09-09 17:30:51 -07:00 · 2014-09-09 17:30:51 -07:00 · 0e84f13bb3
commit 0e84f13bb3
parent 28e375d8b0
8 changed files with 813 additions and 0 deletions
--- a/0001-ath6kl-Fix-ath6kl_bmi_read_hi32-macro.patch
+++ b/0001-ath6kl-Fix-ath6kl_bmi_read_hi32-macro.patch
@ -0,0 +1,57 @@
+From 1c3d95edf026c6fb446f53913c61ff1036c469cd Mon Sep 17 00:00:00 2001
+From: Frederic Danis <frederic.danis@linux.intel.com>
+Date: Mon, 2 Jun 2014 21:19:46 +0300
+Subject: [PATCH 1/8] ath6kl: Fix ath6kl_bmi_read_hi32 macro
+
+tmp may be used uninitialized if ath6kl_bmi_read() returns an error.
+
+Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com>
+Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
+---
+ drivers/net/wireless/ath/ath6kl/bmi.h  |  3 ++-
+ drivers/net/wireless/ath/ath6kl/init.c | 12 ++++++++++--
+ 2 files changed, 12 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/net/wireless/ath/ath6kl/bmi.h b/drivers/net/wireless/ath/ath6kl/bmi.h
+index 18fdd69..397a52f 100644
+--- a/drivers/net/wireless/ath/ath6kl/bmi.h
+++ b/drivers/net/wireless/ath/ath6kl/bmi.h
+@@ -242,7 +242,8 @@ struct ath6kl_bmi_target_info {
+ 		(void) (check_type == val);				\
+ 		addr = ath6kl_get_hi_item_addr(ar, HI_ITEM(item));	\
+ 		ret = ath6kl_bmi_read(ar, addr, (u8 *) &tmp, 4);	\
+-		*val = le32_to_cpu(tmp);				\
+		if (!ret)						\
+			*val = le32_to_cpu(tmp);			\
+ 		ret;							\
+ 	})
+ 
+diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c
+index d5ef211..6e1e699 100644
+--- a/drivers/net/wireless/ath/ath6kl/init.c
+++ b/drivers/net/wireless/ath/ath6kl/init.c
+@@ -1161,11 +1161,19 @@ static int ath6kl_upload_board_file(struct ath6kl *ar)
+ 		ath6kl_bmi_write_hi32(ar, hi_board_data,
+ 				      board_address);
+ 	} else {
+-		ath6kl_bmi_read_hi32(ar, hi_board_data, &board_address);
+		ret = ath6kl_bmi_read_hi32(ar, hi_board_data, &board_address);
+		if (ret) {
+			ath6kl_err("Failed to get board file target address.\n");
+			return ret;
+		}
+ 	}
+ 
+ 	/* determine where in target ram to write extended board data */
+-	ath6kl_bmi_read_hi32(ar, hi_board_ext_data, &board_ext_address);
+	ret = ath6kl_bmi_read_hi32(ar, hi_board_ext_data, &board_ext_address);
+	if (ret) {
+		ath6kl_err("Failed to get extended board file target address.\n");
+		return ret;
+	}
+ 
+ 	if (ar->target_type == TARGET_TYPE_AR6003 &&
+ 	    board_ext_address == 0) {
+-- 
+2.1.0
+
--- a/0002-ath6kl-convert-ar6004-hardware-flags-to-firmware-fea.patch
+++ b/0002-ath6kl-convert-ar6004-hardware-flags-to-firmware-fea.patch
@ -0,0 +1,202 @@
+From eba95bceb4c9f537c6c8a5aeba4277e76599e269 Mon Sep 17 00:00:00 2001
+From: Kalle Valo <kvalo@qca.qualcomm.com>
+Date: Tue, 17 Jun 2014 12:40:52 +0300
+Subject: [PATCH 2/8] ath6kl: convert ar6004 hardware flags to firmware feature
+ flags
+
+The functionality defined through these flags were actually firmware features
+which can change between firmware versions. To make it possible to support
+different firmware versions with the same driver, convert the flags to firmware
+feature flags.
+
+For backwards compatibility support for old ar6004 firmware FW
+API 3 or smaller images we forcefully set the feature bits in the driver.
+Starting from FW API 5 the firmware image needs to set them.
+
+Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
+---
+ drivers/net/wireless/ath/ath6kl/cfg80211.c |  6 ++++--
+ drivers/net/wireless/ath/ath6kl/core.c     | 16 ++++++++++++++++
+ drivers/net/wireless/ath/ath6kl/core.h     | 12 +++++++++---
+ drivers/net/wireless/ath/ath6kl/init.c     | 16 +++++++---------
+ drivers/net/wireless/ath/ath6kl/usb.c      |  6 ++++--
+ drivers/net/wireless/ath/ath6kl/wmi.c      |  3 ++-
+ 6 files changed, 42 insertions(+), 17 deletions(-)
+
+diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
+index 0e26f4a..d139f2a 100644
+--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
+@@ -2899,7 +2899,8 @@ static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
+ 	if (info->inactivity_timeout) {
+ 		inactivity_timeout = info->inactivity_timeout;
+ 
+-		if (ar->hw.flags & ATH6KL_HW_AP_INACTIVITY_MINS)
+		if (test_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS,
+			     ar->fw_capabilities))
+ 			inactivity_timeout = DIV_ROUND_UP(inactivity_timeout,
+ 							  60);
+ 
+@@ -3782,7 +3783,8 @@ int ath6kl_cfg80211_init(struct ath6kl *ar)
+ 		ath6kl_band_5ghz.ht_cap.ht_supported = false;
+ 	}
+ 
+-	if (ar->hw.flags & ATH6KL_HW_64BIT_RATES) {
+	if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
+		     ar->fw_capabilities)) {
+ 		ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
+ 		ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
+ 		ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff;
+diff --git a/drivers/net/wireless/ath/ath6kl/core.c b/drivers/net/wireless/ath/ath6kl/core.c
+index b0b6520..0df74b2 100644
+--- a/drivers/net/wireless/ath/ath6kl/core.c
+++ b/drivers/net/wireless/ath/ath6kl/core.c
+@@ -123,6 +123,22 @@ int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type)
+ 
+ 	/* FIXME: we should free all firmwares in the error cases below */
+ 
+	/*
+	 * Backwards compatibility support for older ar6004 firmware images
+	 * which do not set these feature flags.
+	 */
+	if (ar->target_type == TARGET_TYPE_AR6004 &&
+	    ar->fw_api <= 4) {
+		__set_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
+			  ar->fw_capabilities);
+		__set_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS,
+			  ar->fw_capabilities);
+
+		if (ar->hw.id == AR6004_HW_1_3_VERSION)
+			__set_bit(ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT,
+				  ar->fw_capabilities);
+	}
+
+ 	/* Indicate that WMI is enabled (although not ready yet) */
+ 	set_bit(WMI_ENABLED, &ar->flag);
+ 	ar->wmi = ath6kl_wmi_init(ar);
+diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h
+index 26b0f92..bd91c44 100644
+--- a/drivers/net/wireless/ath/ath6kl/core.h
+++ b/drivers/net/wireless/ath/ath6kl/core.h
+@@ -136,6 +136,15 @@ enum ath6kl_fw_capability {
+ 	 */
+ 	ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL,
+ 
+	/* WMI_SET_TX_SELECT_RATES_CMDID uses 64 bit size rate table */
+	ATH6KL_FW_CAPABILITY_64BIT_RATES,
+
+	/* WMI_AP_CONN_INACT_CMDID uses minutes as units */
+	ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS,
+
+	/* use low priority endpoint for all data */
+	ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT,
+
+ 	/* this needs to be last */
+ 	ATH6KL_FW_CAPABILITY_MAX,
+ };
+@@ -149,9 +158,6 @@ 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),
+ 	ATH6KL_HW_SDIO_CRC_ERROR_WAR	= BIT(3),
+ };
+ 
+diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c
+index 6e1e699..ed086ea 100644
+--- a/drivers/net/wireless/ath/ath6kl/init.c
+++ b/drivers/net/wireless/ath/ath6kl/init.c
+@@ -93,8 +93,7 @@ static const struct ath6kl_hw hw_list[] = {
+ 		.board_addr			= 0x433900,
+ 		.refclk_hz			= 26000000,
+ 		.uarttx_pin			= 11,
+-		.flags				= ATH6KL_HW_64BIT_RATES |
+-						  ATH6KL_HW_AP_INACTIVITY_MINS,
+		.flags				= 0,
+ 
+ 		.fw = {
+ 			.dir		= AR6004_HW_1_0_FW_DIR,
+@@ -114,8 +113,7 @@ static const struct ath6kl_hw hw_list[] = {
+ 		.board_addr			= 0x43d400,
+ 		.refclk_hz			= 40000000,
+ 		.uarttx_pin			= 11,
+-		.flags				= ATH6KL_HW_64BIT_RATES |
+-						  ATH6KL_HW_AP_INACTIVITY_MINS,
+		.flags				= 0,
+ 		.fw = {
+ 			.dir		= AR6004_HW_1_1_FW_DIR,
+ 			.fw		= AR6004_HW_1_1_FIRMWARE_FILE,
+@@ -134,8 +132,7 @@ static const struct ath6kl_hw hw_list[] = {
+ 		.board_addr			= 0x435c00,
+ 		.refclk_hz			= 40000000,
+ 		.uarttx_pin			= 11,
+-		.flags				= ATH6KL_HW_64BIT_RATES |
+-						  ATH6KL_HW_AP_INACTIVITY_MINS,
+		.flags				= 0,
+ 
+ 		.fw = {
+ 			.dir		= AR6004_HW_1_2_FW_DIR,
+@@ -154,9 +151,7 @@ static const struct ath6kl_hw hw_list[] = {
+ 		.board_addr			= 0x436400,
+ 		.refclk_hz                      = 40000000,
+ 		.uarttx_pin                     = 11,
+-		.flags				= ATH6KL_HW_64BIT_RATES |
+-						  ATH6KL_HW_AP_INACTIVITY_MINS |
+-						  ATH6KL_HW_MAP_LP_ENDPOINT,
+		.flags				= 0,
+ 
+ 		.fw = {
+ 			.dir            = AR6004_HW_1_3_FW_DIR,
+@@ -1575,6 +1570,9 @@ static const struct fw_capa_str_map {
+ 	{ ATH6KL_FW_CAPABILITY_REGDOMAIN, "regdomain" },
+ 	{ ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, "sched-scan-v2" },
+ 	{ ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL, "hb-poll" },
+	{ ATH6KL_FW_CAPABILITY_64BIT_RATES, "64bit-rates" },
+	{ ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS, "ap-inactivity-mins" },
+	{ ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT, "map-lp-endpoint" },
+ };
+ 
+ static const char *ath6kl_init_get_fw_capa_name(unsigned int id)
+diff --git a/drivers/net/wireless/ath/ath6kl/usb.c b/drivers/net/wireless/ath/ath6kl/usb.c
+index 3afc5a4..e5a9e7f 100644
+--- a/drivers/net/wireless/ath/ath6kl/usb.c
+++ b/drivers/net/wireless/ath/ath6kl/usb.c
+@@ -802,7 +802,8 @@ static int ath6kl_usb_map_service_pipe(struct ath6kl *ar, u16 svc_id,
+ 		break;
+ 	case WMI_DATA_VI_SVC:
+ 
+-		if (ar->hw.flags & ATH6KL_HW_MAP_LP_ENDPOINT)
+		if (test_bit(ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT,
+			     ar->fw_capabilities))
+ 			*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP;
+ 		else
+ 			*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_MP;
+@@ -814,7 +815,8 @@ static int ath6kl_usb_map_service_pipe(struct ath6kl *ar, u16 svc_id,
+ 		break;
+ 	case WMI_DATA_VO_SVC:
+ 
+-		if (ar->hw.flags & ATH6KL_HW_MAP_LP_ENDPOINT)
+		if (test_bit(ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT,
+			     ar->fw_capabilities))
+ 			*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP;
+ 		else
+ 			*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_MP;
+diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c
+index 4d7f9e4..6ecc0a4 100644
+--- a/drivers/net/wireless/ath/ath6kl/wmi.c
+++ b/drivers/net/wireless/ath/ath6kl/wmi.c
+@@ -2838,7 +2838,8 @@ int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
+ {
+ 	struct ath6kl *ar = wmi->parent_dev;
+ 
+-	if (ar->hw.flags & ATH6KL_HW_64BIT_RATES)
+	if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
+		     ar->fw_capabilities))
+ 		return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
+ 	else
+ 		return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
+-- 
+2.1.0
+
--- a/0003-ath6kl-implement-rx-flush-for-htc-pipe.patch
+++ b/0003-ath6kl-implement-rx-flush-for-htc-pipe.patch
@ -0,0 +1,69 @@
+From b056397e98a9d7fb8fed9f5c837461f3dd8b0132 Mon Sep 17 00:00:00 2001
+From: Jessica Wu <kvalo@qca.qualcomm.com>
+Date: Tue, 17 Jun 2014 12:40:58 +0300
+Subject: [PATCH 3/8] ath6kl: implement rx flush for htc pipe
+
+rx flush was not implemented for htc pipe, add that now. Doesn't fix any known
+issues.
+
+Also free the skb if htc control messages get canceled.
+
+Signed-off-by: Jessica Wu <wjessica@qca.qualcomm.com>
+Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
+---
+ drivers/net/wireless/ath/ath6kl/htc_pipe.c | 32 +++++++++++++++++++++++++++---
+ 1 file changed, 29 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/net/wireless/ath/ath6kl/htc_pipe.c b/drivers/net/wireless/ath/ath6kl/htc_pipe.c
+index 756fe52..ca1a18c 100644
+--- a/drivers/net/wireless/ath/ath6kl/htc_pipe.c
+++ b/drivers/net/wireless/ath/ath6kl/htc_pipe.c
+@@ -1170,8 +1170,12 @@ static int htc_wait_recv_ctrl_message(struct htc_target *target)
+ static void htc_rxctrl_complete(struct htc_target *context,
+ 				struct htc_packet *packet)
+ {
+-	/* TODO, can't really receive HTC control messages yet.... */
+-	ath6kl_dbg(ATH6KL_DBG_HTC, "%s: invalid call function\n", __func__);
+	struct sk_buff *skb = packet->skb;
+
+	if (packet->endpoint == ENDPOINT_0 &&
+	    packet->status == -ECANCELED &&
+	    skb != NULL)
+		dev_kfree_skb(skb);
+ }
+ 
+ /* htc pipe initialization */
+@@ -1678,7 +1682,29 @@ static void ath6kl_htc_pipe_activity_changed(struct htc_target *target,
+ 
+ static void ath6kl_htc_pipe_flush_rx_buf(struct htc_target *target)
+ {
+-	/* TODO */
+	struct htc_endpoint *endpoint;
+	struct htc_packet *packet, *tmp_pkt;
+	int i;
+
+	for (i = ENDPOINT_0; i < ENDPOINT_MAX; i++) {
+		endpoint = &target->endpoint[i];
+
+		spin_lock_bh(&target->rx_lock);
+
+		list_for_each_entry_safe(packet, tmp_pkt,
+					 &endpoint->rx_bufq, list) {
+			list_del(&packet->list);
+			spin_unlock_bh(&target->rx_lock);
+			ath6kl_dbg(ATH6KL_DBG_HTC,
+				   "htc rx flush pkt 0x%p len %d ep %d\n",
+				   packet, packet->buf_len,
+				   packet->endpoint);
+			dev_kfree_skb(packet->pkt_cntxt);
+			spin_lock_bh(&target->rx_lock);
+		}
+
+		spin_unlock_bh(&target->rx_lock);
+	}
+ }
+ 
+ static int ath6kl_htc_pipe_credit_setup(struct htc_target *target,
+-- 
+2.1.0
+
--- a/0004-ath6kl-don-t-set-hi_refclk_hz-if-hardware-version-do.patch
+++ b/0004-ath6kl-don-t-set-hi_refclk_hz-if-hardware-version-do.patch
@ -0,0 +1,36 @@
+From 958e1be848c92006ee4b95190d3725daf3a70034 Mon Sep 17 00:00:00 2001
+From: Kalle Valo <kvalo@qca.qualcomm.com>
+Date: Tue, 17 Jun 2014 12:41:04 +0300
+Subject: [PATCH 4/8] ath6kl: don't set hi_refclk_hz if hardware version
+ doesn't need it
+
+Needed for ar6004 hw3.0 support.
+
+Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
+---
+ drivers/net/wireless/ath/ath6kl/init.c | 9 ++++++---
+ 1 file changed, 6 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c
+index ed086ea..a0400a1 100644
+--- a/drivers/net/wireless/ath/ath6kl/init.c
+++ b/drivers/net/wireless/ath/ath6kl/init.c
+@@ -624,9 +624,12 @@ int ath6kl_configure_target(struct ath6kl *ar)
+ 		return status;
+ 
+ 	/* Configure target refclk_hz */
+-	status = ath6kl_bmi_write_hi32(ar, hi_refclk_hz, ar->hw.refclk_hz);
+-	if (status)
+-		return status;
+	if (ar->hw.refclk_hz != 0) {
+		status = ath6kl_bmi_write_hi32(ar, hi_refclk_hz,
+					       ar->hw.refclk_hz);
+		if (status)
+			return status;
+	}
+ 
+ 	return 0;
+ }
+-- 
+2.1.0
+
--- a/0005-ath6kl-add-support-wmi-rate-tables-with-mcs15.patch
+++ b/0005-ath6kl-add-support-wmi-rate-tables-with-mcs15.patch
@ -0,0 +1,193 @@
+From c1d32d3038ff4d366b837cedb95aeb1801730f2c Mon Sep 17 00:00:00 2001
+From: Jessica Wu <wjessica@qca.qualcomm.com>
+Date: Tue, 17 Jun 2014 12:41:10 +0300
+Subject: [PATCH 5/8] ath6kl: add support wmi rate tables with mcs15
+
+Some of the firmware versions support rate tables up to mcs15, add support for
+that.
+
+Signed-off-by: Jessica Wu <wjessica@qca.qualcomm.com>
+Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
+---
+ drivers/net/wireless/ath/ath6kl/core.h |  3 ++
+ drivers/net/wireless/ath/ath6kl/init.c |  1 +
+ drivers/net/wireless/ath/ath6kl/main.c | 11 ++++--
+ drivers/net/wireless/ath/ath6kl/wmi.c  | 69 ++++++++++++++++++++++++++++++++--
+ drivers/net/wireless/ath/ath6kl/wmi.h  |  2 +-
+ 5 files changed, 77 insertions(+), 9 deletions(-)
+
+diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h
+index bd91c44..23a7763 100644
+--- a/drivers/net/wireless/ath/ath6kl/core.h
+++ b/drivers/net/wireless/ath/ath6kl/core.h
+@@ -145,6 +145,9 @@ enum ath6kl_fw_capability {
+ 	/* use low priority endpoint for all data */
+ 	ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT,
+ 
+	/* ratetable is the 2 stream version (max MCS15) */
+	ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
+
+ 	/* this needs to be last */
+ 	ATH6KL_FW_CAPABILITY_MAX,
+ };
+diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c
+index a0400a1..8cd0cdf 100644
+--- a/drivers/net/wireless/ath/ath6kl/init.c
+++ b/drivers/net/wireless/ath/ath6kl/init.c
+@@ -1576,6 +1576,7 @@ static const struct fw_capa_str_map {
+ 	{ ATH6KL_FW_CAPABILITY_64BIT_RATES, "64bit-rates" },
+ 	{ ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS, "ap-inactivity-mins" },
+ 	{ ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT, "map-lp-endpoint" },
+	{ ATH6KL_FW_CAPABILITY_RATETABLE_MCS15, "ratetable-mcs15" },
+ };
+ 
+ static const char *ath6kl_init_get_fw_capa_name(unsigned int id)
+diff --git a/drivers/net/wireless/ath/ath6kl/main.c b/drivers/net/wireless/ath/ath6kl/main.c
+index d565546..baa447f 100644
+--- a/drivers/net/wireless/ath/ath6kl/main.c
+++ b/drivers/net/wireless/ath/ath6kl/main.c
+@@ -702,6 +702,7 @@ static void ath6kl_update_target_stats(struct ath6kl_vif *vif, u8 *ptr, u32 len)
+ 	struct ath6kl *ar = vif->ar;
+ 	struct target_stats *stats = &vif->target_stats;
+ 	struct tkip_ccmp_stats *ccmp_stats;
+	s32 rate;
+ 	u8 ac;
+ 
+ 	if (len < sizeof(*tgt_stats))
+@@ -731,8 +732,9 @@ static void ath6kl_update_target_stats(struct ath6kl_vif *vif, u8 *ptr, u32 len)
+ 		le32_to_cpu(tgt_stats->stats.tx.mult_retry_cnt);
+ 	stats->tx_rts_fail_cnt +=
+ 		le32_to_cpu(tgt_stats->stats.tx.rts_fail_cnt);
+-	stats->tx_ucast_rate =
+-	    ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.tx.ucast_rate));
+
+	rate = a_sle32_to_cpu(tgt_stats->stats.tx.ucast_rate);
+	stats->tx_ucast_rate = ath6kl_wmi_get_rate(ar->wmi, rate);
+ 
+ 	stats->rx_pkt += le32_to_cpu(tgt_stats->stats.rx.pkt);
+ 	stats->rx_byte += le32_to_cpu(tgt_stats->stats.rx.byte);
+@@ -749,8 +751,9 @@ static void ath6kl_update_target_stats(struct ath6kl_vif *vif, u8 *ptr, u32 len)
+ 		le32_to_cpu(tgt_stats->stats.rx.key_cache_miss);
+ 	stats->rx_decrypt_err += le32_to_cpu(tgt_stats->stats.rx.decrypt_err);
+ 	stats->rx_dupl_frame += le32_to_cpu(tgt_stats->stats.rx.dupl_frame);
+-	stats->rx_ucast_rate =
+-	    ath6kl_wmi_get_rate(a_sle32_to_cpu(tgt_stats->stats.rx.ucast_rate));
+
+	rate = a_sle32_to_cpu(tgt_stats->stats.rx.ucast_rate);
+	stats->rx_ucast_rate = ath6kl_wmi_get_rate(ar->wmi, rate);
+ 
+ 	ccmp_stats = &tgt_stats->stats.tkip_ccmp_stats;
+ 
+diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c
+index 6ecc0a4..94df345 100644
+--- a/drivers/net/wireless/ath/ath6kl/wmi.c
+++ b/drivers/net/wireless/ath/ath6kl/wmi.c
+@@ -59,6 +59,55 @@ static const s32 wmi_rate_tbl[][2] = {
+ 	{0, 0}
+ };
+ 
+static const s32 wmi_rate_tbl_mcs15[][2] = {
+	/* {W/O SGI, with SGI} */
+	{1000, 1000},
+	{2000, 2000},
+	{5500, 5500},
+	{11000, 11000},
+	{6000, 6000},
+	{9000, 9000},
+	{12000, 12000},
+	{18000, 18000},
+	{24000, 24000},
+	{36000, 36000},
+	{48000, 48000},
+	{54000, 54000},
+	{6500, 7200},     /* HT 20, MCS 0 */
+	{13000, 14400},
+	{19500, 21700},
+	{26000, 28900},
+	{39000, 43300},
+	{52000, 57800},
+	{58500, 65000},
+	{65000, 72200},
+	{13000, 14400},   /* HT 20, MCS 8 */
+	{26000, 28900},
+	{39000, 43300},
+	{52000, 57800},
+	{78000, 86700},
+	{104000, 115600},
+	{117000, 130000},
+	{130000, 144400}, /* HT 20, MCS 15 */
+	{13500, 15000},   /*HT 40, MCS 0 */
+	{27000, 30000},
+	{40500, 45000},
+	{54000, 60000},
+	{81000, 90000},
+	{108000, 120000},
+	{121500, 135000},
+	{135000, 150000},
+	{27000, 30000},   /*HT 40, MCS 8 */
+	{54000, 60000},
+	{81000, 90000},
+	{108000, 120000},
+	{162000, 180000},
+	{216000, 240000},
+	{243000, 270000},
+	{270000, 300000}, /*HT 40, MCS 15 */
+	{0, 0}
+};
+
+ /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
+ static const u8 up_to_ac[] = {
+ 	WMM_AC_BE,
+@@ -3280,9 +3329,11 @@ int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
+ 				   NO_SYNC_WMIFLAG);
+ }
+ 
+-s32 ath6kl_wmi_get_rate(s8 rate_index)
+s32 ath6kl_wmi_get_rate(struct wmi *wmi, s8 rate_index)
+ {
+	struct ath6kl *ar = wmi->parent_dev;
+ 	u8 sgi = 0;
+	s32 ret;
+ 
+ 	if (rate_index == RATE_AUTO)
+ 		return 0;
+@@ -3293,10 +3344,20 @@ s32 ath6kl_wmi_get_rate(s8 rate_index)
+ 		sgi = 1;
+ 	}
+ 
+-	if (WARN_ON(rate_index > RATE_MCS_7_40))
+-		rate_index = RATE_MCS_7_40;
+	if (test_bit(ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
+		     ar->fw_capabilities)) {
+		if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl_mcs15)))
+			return 0;
+
+		ret = wmi_rate_tbl_mcs15[(u32) rate_index][sgi];
+	} else {
+		if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl)))
+			return 0;
+ 
+-	return wmi_rate_tbl[(u32) rate_index][sgi];
+		ret = wmi_rate_tbl[(u32) rate_index][sgi];
+	}
+
+	return ret;
+ }
+ 
+ static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
+diff --git a/drivers/net/wireless/ath/ath6kl/wmi.h b/drivers/net/wireless/ath/ath6kl/wmi.h
+index 7809afb..8d4d885 100644
+--- a/drivers/net/wireless/ath/ath6kl/wmi.h
+++ b/drivers/net/wireless/ath/ath6kl/wmi.h
+@@ -2632,7 +2632,7 @@ int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
+ 			     struct ath6kl_htcap *htcap);
+ int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len);
+ 
+-s32 ath6kl_wmi_get_rate(s8 rate_index);
+s32 ath6kl_wmi_get_rate(struct wmi *wmi, s8 rate_index);
+ 
+ int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
+ 			  __be32 ips0, __be32 ips1);
+-- 
+2.1.0
+
--- a/0006-ath6kl-add-support-for-ar6004-hw3.0.patch
+++ b/0006-ath6kl-add-support-for-ar6004-hw3.0.patch
@ -0,0 +1,211 @@
+From 7880377012ef48bf75498648c3bcbcb60460ff28 Mon Sep 17 00:00:00 2001
+From: Jessica Wu <wjessica@qca.qualcomm.com>
+Date: Tue, 17 Jun 2014 12:41:16 +0300
+Subject: [PATCH 6/8] ath6kl: add support for ar6004 hw3.0
+
+This change enables ath6kl driver to support ar6004 hw3.0. At the same time do
+some fixes in firmware initialisation which applies to ar6004 hw1.3 as well.
+
+Signed-off-by: Jessica Wu <wjessica@qca.qualcomm.com>
+Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
+---
+ drivers/net/wireless/ath/ath6kl/core.h | 21 ++++++++++++--
+ drivers/net/wireless/ath/ath6kl/init.c | 52 +++++++++++++++++++++++++++++++---
+ drivers/net/wireless/ath/ath6kl/main.c |  6 +++-
+ drivers/net/wireless/ath/ath6kl/usb.c  |  1 +
+ 4 files changed, 73 insertions(+), 7 deletions(-)
+
+diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h
+index 23a7763..2b78c86 100644
+--- a/drivers/net/wireless/ath/ath6kl/core.h
+++ b/drivers/net/wireless/ath/ath6kl/core.h
+@@ -148,6 +148,9 @@ enum ath6kl_fw_capability {
+ 	/* ratetable is the 2 stream version (max MCS15) */
+ 	ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
+ 
+	/* firmare doesn't support IP checksumming */
+	ATH6KL_FW_CAPABILITY_NO_IP_CHECKSUM,
+
+ 	/* this needs to be last */
+ 	ATH6KL_FW_CAPABILITY_MAX,
+ };
+@@ -167,6 +170,7 @@ enum ath6kl_hw_flags {
+ #define ATH6KL_FW_API2_FILE "fw-2.bin"
+ #define ATH6KL_FW_API3_FILE "fw-3.bin"
+ #define ATH6KL_FW_API4_FILE "fw-4.bin"
+#define ATH6KL_FW_API5_FILE "fw-5.bin"
+ 
+ /* AR6003 1.0 definitions */
+ #define AR6003_HW_1_0_VERSION                 0x300002ba
+@@ -224,8 +228,21 @@ enum ath6kl_hw_flags {
+ #define AR6004_HW_1_3_VERSION			0x31c8088a
+ #define AR6004_HW_1_3_FW_DIR			"ath6k/AR6004/hw1.3"
+ #define AR6004_HW_1_3_FIRMWARE_FILE		"fw.ram.bin"
+-#define AR6004_HW_1_3_BOARD_DATA_FILE		"ath6k/AR6004/hw1.3/bdata.bin"
+-#define AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE	"ath6k/AR6004/hw1.3/bdata.bin"
+#define AR6004_HW_1_3_TCMD_FIRMWARE_FILE	"utf.bin"
+#define AR6004_HW_1_3_UTF_FIRMWARE_FILE		"utf.bin"
+#define AR6004_HW_1_3_TESTSCRIPT_FILE		"nullTestFlow.bin"
+#define AR6004_HW_1_3_BOARD_DATA_FILE	      AR6004_HW_1_3_FW_DIR "/bdata.bin"
+#define AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE AR6004_HW_1_3_FW_DIR "/bdata.bin"
+
+/* AR6004 3.0 definitions */
+#define AR6004_HW_3_0_VERSION			0x31C809F8
+#define AR6004_HW_3_0_FW_DIR			"ath6k/AR6004/hw3.0"
+#define AR6004_HW_3_0_FIRMWARE_FILE		"fw.ram.bin"
+#define AR6004_HW_3_0_TCMD_FIRMWARE_FILE	"utf.bin"
+#define AR6004_HW_3_0_UTF_FIRMWARE_FILE		"utf.bin"
+#define AR6004_HW_3_0_TESTSCRIPT_FILE		"nullTestFlow.bin"
+#define AR6004_HW_3_0_BOARD_DATA_FILE	      AR6004_HW_3_0_FW_DIR "/bdata.bin"
+#define AR6004_HW_3_0_DEFAULT_BOARD_DATA_FILE AR6004_HW_3_0_FW_DIR "/bdata.bin"
+ 
+ /* Per STA data, used in AP mode */
+ #define STA_PS_AWAKE		BIT(0)
+diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c
+index 8cd0cdf..a6111848 100644
+--- a/drivers/net/wireless/ath/ath6kl/init.c
+++ b/drivers/net/wireless/ath/ath6kl/init.c
+@@ -149,18 +149,43 @@ static const struct ath6kl_hw hw_list[] = {
+ 		.board_ext_data_addr		= 0x437000,
+ 		.reserved_ram_size		= 7168,
+ 		.board_addr			= 0x436400,
+-		.refclk_hz                      = 40000000,
+		.refclk_hz                      = 0,
+ 		.uarttx_pin                     = 11,
+ 		.flags				= 0,
+ 
+ 		.fw = {
+ 			.dir            = AR6004_HW_1_3_FW_DIR,
+ 			.fw             = AR6004_HW_1_3_FIRMWARE_FILE,
+			.tcmd	        = AR6004_HW_1_3_TCMD_FIRMWARE_FILE,
+			.utf		= AR6004_HW_1_3_UTF_FIRMWARE_FILE,
+			.testscript	= AR6004_HW_1_3_TESTSCRIPT_FILE,
+ 		},
+ 
+ 		.fw_board               = AR6004_HW_1_3_BOARD_DATA_FILE,
+ 		.fw_default_board       = AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE,
+ 	},
+	{
+		.id				= AR6004_HW_3_0_VERSION,
+		.name				= "ar6004 hw 3.0",
+		.dataset_patch_addr		= 0,
+		.app_load_addr			= 0x1234,
+		.board_ext_data_addr		= 0,
+		.reserved_ram_size		= 7168,
+		.board_addr			= 0x436400,
+		.testscript_addr		= 0,
+		.flags				= 0,
+
+		.fw = {
+			.dir		= AR6004_HW_3_0_FW_DIR,
+			.fw		= AR6004_HW_3_0_FIRMWARE_FILE,
+			.tcmd	        = AR6004_HW_3_0_TCMD_FIRMWARE_FILE,
+			.utf		= AR6004_HW_3_0_UTF_FIRMWARE_FILE,
+			.testscript	= AR6004_HW_3_0_TESTSCRIPT_FILE,
+		},
+
+		.fw_board		= AR6004_HW_3_0_BOARD_DATA_FILE,
+		.fw_default_board	= AR6004_HW_3_0_DEFAULT_BOARD_DATA_FILE,
+	},
+ };
+ 
+ /*
+@@ -596,7 +621,9 @@ int ath6kl_configure_target(struct ath6kl *ar)
+ 	 * but possible in theory.
+ 	 */
+ 
+-	if (ar->target_type == TARGET_TYPE_AR6003) {
+	if ((ar->target_type == TARGET_TYPE_AR6003) ||
+	    (ar->version.target_ver == AR6004_HW_1_3_VERSION) ||
+	    (ar->version.target_ver == AR6004_HW_3_0_VERSION)) {
+ 		param = ar->hw.board_ext_data_addr;
+ 		ram_reserved_size = ar->hw.reserved_ram_size;
+ 
+@@ -1110,6 +1137,12 @@ int ath6kl_init_fetch_firmwares(struct ath6kl *ar)
+ 	if (ret)
+ 		return ret;
+ 
+	ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API5_FILE);
+	if (ret == 0) {
+		ar->fw_api = 5;
+		goto out;
+	}
+
+ 	ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API4_FILE);
+ 	if (ret == 0) {
+ 		ar->fw_api = 4;
+@@ -1236,7 +1269,13 @@ static int ath6kl_upload_board_file(struct ath6kl *ar)
+ 	}
+ 
+ 	/* record the fact that Board Data IS initialized */
+-	ath6kl_bmi_write_hi32(ar, hi_board_data_initialized, 1);
+	if ((ar->version.target_ver == AR6004_HW_1_3_VERSION) ||
+	    (ar->version.target_ver == AR6004_HW_3_0_VERSION))
+		param = board_data_size;
+	else
+		param = 1;
+
+	ath6kl_bmi_write_hi32(ar, hi_board_data_initialized, param);
+ 
+ 	return ret;
+ }
+@@ -1367,7 +1406,11 @@ static int ath6kl_upload_testscript(struct ath6kl *ar)
+ 	}
+ 
+ 	ath6kl_bmi_write_hi32(ar, hi_ota_testscript, address);
+-	ath6kl_bmi_write_hi32(ar, hi_end_ram_reserve_sz, 4096);
+
+	if ((ar->version.target_ver != AR6004_HW_1_3_VERSION) &&
+	    (ar->version.target_ver != AR6004_HW_3_0_VERSION))
+		ath6kl_bmi_write_hi32(ar, hi_end_ram_reserve_sz, 4096);
+
+ 	ath6kl_bmi_write_hi32(ar, hi_test_apps_related, 1);
+ 
+ 	return 0;
+@@ -1577,6 +1620,7 @@ static const struct fw_capa_str_map {
+ 	{ ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS, "ap-inactivity-mins" },
+ 	{ ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT, "map-lp-endpoint" },
+ 	{ ATH6KL_FW_CAPABILITY_RATETABLE_MCS15, "ratetable-mcs15" },
+	{ ATH6KL_FW_CAPABILITY_NO_IP_CHECKSUM, "no-ip-checksum" },
+ };
+ 
+ static const char *ath6kl_init_get_fw_capa_name(unsigned int id)
+diff --git a/drivers/net/wireless/ath/ath6kl/main.c b/drivers/net/wireless/ath/ath6kl/main.c
+index baa447f..21516bc 100644
+--- a/drivers/net/wireless/ath/ath6kl/main.c
+++ b/drivers/net/wireless/ath/ath6kl/main.c
+@@ -1293,6 +1293,8 @@ static const struct net_device_ops ath6kl_netdev_ops = {
+ 
+ void init_netdev(struct net_device *dev)
+ {
+	struct ath6kl *ar = ath6kl_priv(dev);
+
+ 	dev->netdev_ops = &ath6kl_netdev_ops;
+ 	dev->destructor = free_netdev;
+ 	dev->watchdog_timeo = ATH6KL_TX_TIMEOUT;
+@@ -1304,7 +1306,9 @@ void init_netdev(struct net_device *dev)
+ 					WMI_MAX_TX_META_SZ +
+ 					ATH6KL_HTC_ALIGN_BYTES, 4);
+ 
+-	dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
+	if (!test_bit(ATH6KL_FW_CAPABILITY_NO_IP_CHECKSUM,
+		      ar->fw_capabilities))
+		dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
+ 
+ 	return;
+ }
+diff --git a/drivers/net/wireless/ath/ath6kl/usb.c b/drivers/net/wireless/ath/ath6kl/usb.c
+index e5a9e7f..c443258 100644
+--- a/drivers/net/wireless/ath/ath6kl/usb.c
+++ b/drivers/net/wireless/ath/ath6kl/usb.c
+@@ -1210,6 +1210,7 @@ static int ath6kl_usb_pm_reset_resume(struct usb_interface *intf)
+ 
+ /* table of devices that work with this driver */
+ static struct usb_device_id ath6kl_usb_ids[] = {
+	{USB_DEVICE(0x0cf3, 0x9375)},
+ 	{USB_DEVICE(0x0cf3, 0x9374)},
+ 	{ /* Terminating entry */ },
+ };
+-- 
+2.1.0
+
--- a/kernel.spec
+++ b/kernel.spec
@ -660,6 +660,17 @@ Patch31011: baytrail_gpio_quirk_v3.patch
 # Upstream 3.17
 Patch31012: ASoC-Intel-update-baytrail-adsp-firmware-name.patch

+# ath6kl series backported from 3.17, should make wireless work
+Patch31101: 0001-ath6kl-Fix-ath6kl_bmi_read_hi32-macro.patch
+Patch31102: 0002-ath6kl-convert-ar6004-hardware-flags-to-firmware-fea.patch
+Patch31103: 0003-ath6kl-implement-rx-flush-for-htc-pipe.patch
+Patch31104: 0004-ath6kl-don-t-set-hi_refclk_hz-if-hardware-version-do.patch
+Patch31105: 0005-ath6kl-add-support-wmi-rate-tables-with-mcs15.patch
+Patch31106: 0006-ath6kl-add-support-for-ar6004-hw3.0.patch
+
+# Add SDIO ID for the V8P wireless adapter to ath6kl driver
+Patch31200: support-Dell-OEM-chipset-found-in-Venue-8-Pro-SDIO-I.patch
+
 # END OF AWB PATCH DEFINITIONS

 # END OF PATCH DEFINITIONS
@ -1403,6 +1414,15 @@ ApplyPatch 0001-ACPI-temporary-dep-solution-for-battery-support.patch

 ApplyPatch ASoC-Intel-update-baytrail-adsp-firmware-name.patch

+ApplyPatch 0001-ath6kl-Fix-ath6kl_bmi_read_hi32-macro.patch
+ApplyPatch 0002-ath6kl-convert-ar6004-hardware-flags-to-firmware-fea.patch
+ApplyPatch 0003-ath6kl-implement-rx-flush-for-htc-pipe.patch
+ApplyPatch 0004-ath6kl-don-t-set-hi_refclk_hz-if-hardware-version-do.patch
+ApplyPatch 0005-ath6kl-add-support-wmi-rate-tables-with-mcs15.patch
+ApplyPatch 0006-ath6kl-add-support-for-ar6004-hw3.0.patch
+
+ApplyPatch support-Dell-OEM-chipset-found-in-Venue-8-Pro-SDIO-I.patch
+
 # END OF AWB (BAYTRAIL) PATCH APPLICATIONS

 # END OF PATCH APPLICATIONS
--- a/support-Dell-OEM-chipset-found-in-Venue-8-Pro-SDIO-I.patch
+++ b/support-Dell-OEM-chipset-found-in-Venue-8-Pro-SDIO-I.patch
@ -0,0 +1,25 @@
+From da8b582fd0bf505d269d5d9e69f1607ea69d1d33 Mon Sep 17 00:00:00 2001
+From: Adam Williamson <awilliam@redhat.com>
+Date: Tue, 9 Sep 2014 17:26:15 -0700
+Subject: [PATCH] support Dell OEM chipset found in Venue 8 Pro (SDIO ID
+ 0271:0418)
+
+---
+ drivers/net/wireless/ath/ath6kl/sdio.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/drivers/net/wireless/ath/ath6kl/sdio.c b/drivers/net/wireless/ath/ath6kl/sdio.c
+index 339d89f..5384f14 100644
+--- a/drivers/net/wireless/ath/ath6kl/sdio.c
+++ b/drivers/net/wireless/ath/ath6kl/sdio.c
+@@ -1400,6 +1400,7 @@ static const struct sdio_device_id ath6kl_sdio_devices[] = {
+ 	{SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6003_BASE | 0x1))},
+ 	{SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6004_BASE | 0x0))},
+ 	{SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6004_BASE | 0x1))},
+	{SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6004_BASE | 0x18))},
+ 	{},
+ };
+ 
+-- 
+2.1.0
+