Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git

ath.git patches for 4.19. Major changes:

ath10k

* support channel 173

* fix spectral scan for QCA9984 and QCA9888 chipsets

ath6kl

* add support for Dell Wireless 1537

drivers/net/wireless/ath/ath10k/Kconfig

 config ATH10K
-        tristate "Atheros 802.11ac wireless cards support"
-        depends on MAC80211 && HAS_DMA
+	tristate "Atheros 802.11ac wireless cards support"
+	depends on MAC80211 && HAS_DMA
 	select ATH_COMMON
 	select CRC32
 	select WANT_DEV_COREDUMP
 	select ATH10K_CE
-        ---help---
-          This module adds support for wireless adapters based on
-          Atheros IEEE 802.11ac family of chipsets.
+	---help---
+	  This module adds support for wireless adapters based on
+	  Atheros IEEE 802.11ac family of chipsets.
 
-          If you choose to build a module, it'll be called ath10k.
+	  If you choose to build a module, it'll be called ath10k.
 
 config ATH10K_CE
 	bool
@@ -41,12 +41,12 @@ config ATH10K_USB
 	  work in progress and will not fully work.
 
 config ATH10K_SNOC
-        tristate "Qualcomm ath10k SNOC support (EXPERIMENTAL)"
-        depends on ATH10K && ARCH_QCOM
-        ---help---
-          This module adds support for integrated WCN3990 chip connected
-          to system NOC(SNOC). Currently work in progress and will not
-          fully work.
+	tristate "Qualcomm ath10k SNOC support (EXPERIMENTAL)"
+	depends on ATH10K && ARCH_QCOM
+	---help---
+	  This module adds support for integrated WCN3990 chip connected
+	  to system NOC(SNOC). Currently work in progress and will not
+	  fully work.
 
 config ATH10K_DEBUG
 	bool "Atheros ath10k debugging"

drivers/net/wireless/ath/ath10k/ce.c

@@ -1512,7 +1512,7 @@ ath10k_ce_alloc_src_ring_64(struct ath10k *ar, unsigned int ce_id,
 		ret = ath10k_ce_alloc_shadow_base(ar, src_ring, nentries);
 		if (ret) {
 			dma_free_coherent(ar->dev,
-					  (nentries * sizeof(struct ce_desc) +
+					  (nentries * sizeof(struct ce_desc_64) +
 					   CE_DESC_RING_ALIGN),
 					  src_ring->base_addr_owner_space_unaligned,
 					  base_addr);

drivers/net/wireless/ath/ath10k/ce.h

@@ -383,4 +383,46 @@ static inline u32 ath10k_ce_interrupt_summary(struct ath10k *ar)
 		return CE_INTERRUPT_SUMMARY;
 }
 
+/* Host software's Copy Engine configuration. */
+#define CE_ATTR_FLAGS 0
+
+/*
+ * Configuration information for a Copy Engine pipe.
+ * Passed from Host to Target during startup (one per CE).
+ *
+ * NOTE: Structure is shared between Host software and Target firmware!
+ */
+struct ce_pipe_config {
+	__le32 pipenum;
+	__le32 pipedir;
+	__le32 nentries;
+	__le32 nbytes_max;
+	__le32 flags;
+	__le32 reserved;
+};
+
+/*
+ * Directions for interconnect pipe configuration.
+ * These definitions may be used during configuration and are shared
+ * between Host and Target.
+ *
+ * Pipe Directions are relative to the Host, so PIPEDIR_IN means
+ * "coming IN over air through Target to Host" as with a WiFi Rx operation.
+ * Conversely, PIPEDIR_OUT means "going OUT from Host through Target over air"
+ * as with a WiFi Tx operation. This is somewhat awkward for the "middle-man"
+ * Target since things that are "PIPEDIR_OUT" are coming IN to the Target
+ * over the interconnect.
+ */
+#define PIPEDIR_NONE    0
+#define PIPEDIR_IN      1  /* Target-->Host, WiFi Rx direction */
+#define PIPEDIR_OUT     2  /* Host->Target, WiFi Tx direction */
+#define PIPEDIR_INOUT   3  /* bidirectional */
+
+/* Establish a mapping between a service/direction and a pipe. */
+struct service_to_pipe {
+	__le32 service_id;
+	__le32 pipedir;
+	__le32 pipenum;
+};
+
 #endif /* _CE_H_ */

drivers/net/wireless/ath/ath10k/core.c

@@ -41,10 +41,8 @@ static bool uart_print;
 static bool skip_otp;
 static bool rawmode;
 
-/* Enable ATH10K_FW_CRASH_DUMP_REGISTERS and ATH10K_FW_CRASH_DUMP_CE_DATA
- * by default.
- */
-unsigned long ath10k_coredump_mask = 0x3;
+unsigned long ath10k_coredump_mask = BIT(ATH10K_FW_CRASH_DUMP_REGISTERS) |
+				     BIT(ATH10K_FW_CRASH_DUMP_CE_DATA);
 
 /* FIXME: most of these should be readonly */
 module_param_named(debug_mask, ath10k_debug_mask, uint, 0644);
@@ -82,6 +80,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
 		.hw_ops = &qca988x_ops,
 		.decap_align_bytes = 4,
 		.spectral_bin_discard = 0,
+		.spectral_bin_offset = 0,
 		.vht160_mcs_rx_highest = 0,
 		.vht160_mcs_tx_highest = 0,
 		.n_cipher_suites = 8,
@@ -113,6 +112,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
 		.hw_ops = &qca988x_ops,
 		.decap_align_bytes = 4,
 		.spectral_bin_discard = 0,
+		.spectral_bin_offset = 0,
 		.vht160_mcs_rx_highest = 0,
 		.vht160_mcs_tx_highest = 0,
 		.n_cipher_suites = 8,
@@ -145,6 +145,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
 		.hw_ops = &qca988x_ops,
 		.decap_align_bytes = 4,
 		.spectral_bin_discard = 0,
+		.spectral_bin_offset = 0,
 		.vht160_mcs_rx_highest = 0,
 		.vht160_mcs_tx_highest = 0,
 		.n_cipher_suites = 8,
@@ -176,6 +177,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
 		.hw_ops = &qca988x_ops,
 		.decap_align_bytes = 4,
 		.spectral_bin_discard = 0,
+		.spectral_bin_offset = 0,
 		.vht160_mcs_rx_highest = 0,
 		.vht160_mcs_tx_highest = 0,
 		.n_cipher_suites = 8,
@@ -207,6 +209,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
 		.hw_ops = &qca988x_ops,
 		.decap_align_bytes = 4,
 		.spectral_bin_discard = 0,
+		.spectral_bin_offset = 0,
 		.vht160_mcs_rx_highest = 0,
 		.vht160_mcs_tx_highest = 0,
 		.n_cipher_suites = 8,
@@ -238,6 +241,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
 		.hw_ops = &qca988x_ops,
 		.decap_align_bytes = 4,
 		.spectral_bin_discard = 0,
+		.spectral_bin_offset = 0,
 		.vht160_mcs_rx_highest = 0,
 		.vht160_mcs_tx_highest = 0,
 		.n_cipher_suites = 8,
@@ -272,6 +276,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
 		.target_cpu_freq = 176000000,
 		.decap_align_bytes = 4,
 		.spectral_bin_discard = 0,
+		.spectral_bin_offset = 0,
 		.vht160_mcs_rx_highest = 0,
 		.vht160_mcs_tx_highest = 0,
 		.n_cipher_suites = 8,
@@ -309,6 +314,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
 		.hw_ops = &qca99x0_ops,
 		.decap_align_bytes = 1,
 		.spectral_bin_discard = 4,
+		.spectral_bin_offset = 0,
 		.vht160_mcs_rx_highest = 0,
 		.vht160_mcs_tx_highest = 0,
 		.n_cipher_suites = 11,
@@ -347,6 +353,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
 		.hw_ops = &qca99x0_ops,
 		.decap_align_bytes = 1,
 		.spectral_bin_discard = 12,
+		.spectral_bin_offset = 8,
 
 		/* Can do only 2x2 VHT160 or 80+80. 1560Mbps is 4x4 80Mhz
 		 * or 2x2 160Mhz, long-guard-interval.
@@ -388,6 +395,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
 		.hw_ops = &qca99x0_ops,
 		.decap_align_bytes = 1,
 		.spectral_bin_discard = 12,
+		.spectral_bin_offset = 8,
 
 		/* Can do only 1x1 VHT160 or 80+80. 780Mbps is 2x2 80Mhz or
 		 * 1x1 160Mhz, long-guard-interval.
@@ -423,6 +431,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
 		.hw_ops = &qca988x_ops,
 		.decap_align_bytes = 4,
 		.spectral_bin_discard = 0,
+		.spectral_bin_offset = 0,
 		.vht160_mcs_rx_highest = 0,
 		.vht160_mcs_tx_highest = 0,
 		.n_cipher_suites = 8,
@@ -456,6 +465,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
 		.target_cpu_freq = 176000000,
 		.decap_align_bytes = 4,
 		.spectral_bin_discard = 0,
+		.spectral_bin_offset = 0,
 		.vht160_mcs_rx_highest = 0,
 		.vht160_mcs_tx_highest = 0,
 		.n_cipher_suites = 8,
@@ -494,6 +504,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
 		.hw_ops = &qca99x0_ops,
 		.decap_align_bytes = 1,
 		.spectral_bin_discard = 4,
+		.spectral_bin_offset = 0,
 		.vht160_mcs_rx_highest = 0,
 		.vht160_mcs_tx_highest = 0,
 		.n_cipher_suites = 11,

drivers/net/wireless/ath/ath10k/core.h

@@ -48,7 +48,8 @@
 #define WMI_READY_TIMEOUT (5 * HZ)
 #define ATH10K_FLUSH_TIMEOUT_HZ (5 * HZ)
 #define ATH10K_CONNECTION_LOSS_HZ (3 * HZ)
-#define ATH10K_NUM_CHANS 40
+#define ATH10K_NUM_CHANS 41
+#define ATH10K_MAX_5G_CHAN 173
 
 /* Antenna noise floor */
 #define ATH10K_DEFAULT_NOISE_FLOOR -95

drivers/net/wireless/ath/ath10k/debug.c

@@ -1727,7 +1727,9 @@ int ath10k_debug_start(struct ath10k *ar)
 			ath10k_warn(ar, "failed to disable pktlog: %d\n", ret);
 	}
 
-	if (ar->debug.nf_cal_period) {
+	if (ar->debug.nf_cal_period &&
+	    !test_bit(ATH10K_FW_FEATURE_NON_BMI,
+		      ar->normal_mode_fw.fw_file.fw_features)) {
 		ret = ath10k_wmi_pdev_set_param(ar,
 						ar->wmi.pdev_param->cal_period,
 						ar->debug.nf_cal_period);
@@ -1744,7 +1746,9 @@ void ath10k_debug_stop(struct ath10k *ar)
 {
 	lockdep_assert_held(&ar->conf_mutex);
 
-	ath10k_debug_cal_data_fetch(ar);
+	if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
+		      ar->normal_mode_fw.fw_file.fw_features))
+		ath10k_debug_cal_data_fetch(ar);
 
 	/* Must not use _sync to avoid deadlock, we do that in
 	 * ath10k_debug_destroy(). The check for htt_stats_mask is to avoid
@@ -2367,15 +2371,18 @@ int ath10k_debug_register(struct ath10k *ar)
 	debugfs_create_file("fw_dbglog", 0600, ar->debug.debugfs_phy, ar,
 			    &fops_fw_dbglog);
 
-	debugfs_create_file("cal_data", 0400, ar->debug.debugfs_phy, ar,
-			    &fops_cal_data);
+	if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
+		      ar->normal_mode_fw.fw_file.fw_features)) {
+		debugfs_create_file("cal_data", 0400, ar->debug.debugfs_phy, ar,
+				    &fops_cal_data);
+
+		debugfs_create_file("nf_cal_period", 0600, ar->debug.debugfs_phy, ar,
+				    &fops_nf_cal_period);
+	}
 
 	debugfs_create_file("ani_enable", 0600, ar->debug.debugfs_phy, ar,
 			    &fops_ani_enable);
 
-	debugfs_create_file("nf_cal_period", 0600, ar->debug.debugfs_phy, ar,
-			    &fops_nf_cal_period);
-
 	if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED)) {
 		debugfs_create_file("dfs_simulate_radar", 0200, ar->debug.debugfs_phy,
 				    ar, &fops_simulate_radar);

drivers/net/wireless/ath/ath10k/htt_tx.c

@@ -1202,7 +1202,7 @@ static int ath10k_htt_tx_32(struct ath10k_htt *htt,
 	case ATH10K_HW_TXRX_RAW:
 	case ATH10K_HW_TXRX_NATIVE_WIFI:
 		flags0 |= HTT_DATA_TX_DESC_FLAGS0_MAC_HDR_PRESENT;
-		/* pass through */
+		/* fall through */
 	case ATH10K_HW_TXRX_ETHERNET:
 		if (ar->hw_params.continuous_frag_desc) {
 			ext_desc_t = htt->frag_desc.vaddr_desc_32;
@@ -1404,7 +1404,7 @@ static int ath10k_htt_tx_64(struct ath10k_htt *htt,
 	case ATH10K_HW_TXRX_RAW:
 	case ATH10K_HW_TXRX_NATIVE_WIFI:
 		flags0 |= HTT_DATA_TX_DESC_FLAGS0_MAC_HDR_PRESENT;
-		/* pass through */
+		/* fall through */
 	case ATH10K_HW_TXRX_ETHERNET:
 		if (ar->hw_params.continuous_frag_desc) {
 			ext_desc_t = htt->frag_desc.vaddr_desc_64;

drivers/net/wireless/ath/ath10k/hw.h

@@ -586,6 +586,9 @@ struct ath10k_hw_params {
 
 	/* target supporting retention restore on ddr */
 	bool rri_on_ddr;
+
+	/* Number of bytes to be the offset for each FFT sample */
+	int spectral_bin_offset;
 };
 
 struct htt_rx_desc;

drivers/net/wireless/ath/ath10k/mac.c

@@ -7858,6 +7858,9 @@ static const struct ieee80211_channel ath10k_5ghz_channels[] = {
 	CHAN5G(161, 5805, 0),
 	CHAN5G(165, 5825, 0),
 	CHAN5G(169, 5845, 0),
+	CHAN5G(173, 5865, 0),
+	/* If you add more, you may need to change ATH10K_MAX_5G_CHAN */
+	/* And you will definitely need to change ATH10K_NUM_CHANS in core.h */
 };
 
 struct ath10k *ath10k_mac_create(size_t priv_size)

drivers/net/wireless/ath/ath10k/pci.h

@@ -86,48 +86,6 @@ struct pcie_state {
 /* PCIE_CONFIG_FLAG definitions */
 #define PCIE_CONFIG_FLAG_ENABLE_L1  0x0000001
 
-/* Host software's Copy Engine configuration. */
-#define CE_ATTR_FLAGS 0
-
-/*
- * Configuration information for a Copy Engine pipe.
- * Passed from Host to Target during startup (one per CE).
- *
- * NOTE: Structure is shared between Host software and Target firmware!
- */
-struct ce_pipe_config {
-	__le32 pipenum;
-	__le32 pipedir;
-	__le32 nentries;
-	__le32 nbytes_max;
-	__le32 flags;
-	__le32 reserved;
-};
-
-/*
- * Directions for interconnect pipe configuration.
- * These definitions may be used during configuration and are shared
- * between Host and Target.
- *
- * Pipe Directions are relative to the Host, so PIPEDIR_IN means
- * "coming IN over air through Target to Host" as with a WiFi Rx operation.
- * Conversely, PIPEDIR_OUT means "going OUT from Host through Target over air"
- * as with a WiFi Tx operation. This is somewhat awkward for the "middle-man"
- * Target since things that are "PIPEDIR_OUT" are coming IN to the Target
- * over the interconnect.
- */
-#define PIPEDIR_NONE    0
-#define PIPEDIR_IN      1  /* Target-->Host, WiFi Rx direction */
-#define PIPEDIR_OUT     2  /* Host->Target, WiFi Tx direction */
-#define PIPEDIR_INOUT   3  /* bidirectional */
-
-/* Establish a mapping between a service/direction and a pipe. */
-struct service_to_pipe {
-	__le32 service_id;
-	__le32 pipedir;
-	__le32 pipenum;
-};
-
 /* Per-pipe state. */
 struct ath10k_pci_pipe {
 	/* Handle of underlying Copy Engine */

drivers/net/wireless/ath/ath10k/snoc.c

@@ -14,19 +14,20 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include <linux/module.h>
+#include <linux/clk.h>
 #include <linux/kernel.h>
-#include "debug.h"
-#include "hif.h"
-#include "htc.h"
-#include "ce.h"
-#include "snoc.h"
+#include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/regulator/consumer.h>
-#include <linux/clk.h>
-#define  WCN3990_CE_ATTR_FLAGS 0
+
+#include "ce.h"
+#include "debug.h"
+#include "hif.h"
+#include "htc.h"
+#include "snoc.h"
+
 #define ATH10K_SNOC_RX_POST_RETRY_MS 50
 #define CE_POLL_PIPE 4
 
@@ -449,7 +450,7 @@ static void ath10k_snoc_htt_rx_cb(struct ath10k_ce_pipe *ce_state)
 
 static void ath10k_snoc_rx_replenish_retry(struct timer_list *t)
 {
-	struct ath10k_pci *ar_snoc = from_timer(ar_snoc, t, rx_post_retry);
+	struct ath10k_snoc *ar_snoc = from_timer(ar_snoc, t, rx_post_retry);
 	struct ath10k *ar = ar_snoc->ar;
 
 	ath10k_snoc_rx_post(ar);
@@ -820,7 +821,7 @@ static const struct ath10k_bus_ops ath10k_snoc_bus_ops = {
 	.write32	= ath10k_snoc_write32,
 };
 
-int ath10k_snoc_get_ce_id_from_irq(struct ath10k *ar, int irq)
+static int ath10k_snoc_get_ce_id_from_irq(struct ath10k *ar, int irq)
 {
 	struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
 	int i;
@@ -868,7 +869,7 @@ static int ath10k_snoc_napi_poll(struct napi_struct *ctx, int budget)
 	return done;
 }
 
-void ath10k_snoc_init_napi(struct ath10k *ar)
+static void ath10k_snoc_init_napi(struct ath10k *ar)
 {
 	netif_napi_add(&ar->napi_dev, &ar->napi, ath10k_snoc_napi_poll,
 		       ATH10K_NAPI_BUDGET);
@@ -1303,13 +1304,13 @@ static int ath10k_snoc_probe(struct platform_device *pdev)
 	ar_snoc->ce.bus_ops = &ath10k_snoc_bus_ops;
 	ar->ce_priv = &ar_snoc->ce;
 
-	ath10k_snoc_resource_init(ar);
+	ret = ath10k_snoc_resource_init(ar);
 	if (ret) {
 		ath10k_warn(ar, "failed to initialize resource: %d\n", ret);
 		goto err_core_destroy;
 	}
 
-	ath10k_snoc_setup_resource(ar);
+	ret = ath10k_snoc_setup_resource(ar);
 	if (ret) {
 		ath10k_warn(ar, "failed to setup resource: %d\n", ret);
 		goto err_core_destroy;
@@ -1388,25 +1389,7 @@ static struct platform_driver ath10k_snoc_driver = {
 			.of_match_table = ath10k_snoc_dt_match,
 		},
 };
-
-static int __init ath10k_snoc_init(void)
-{
-	int ret;
-
-	ret = platform_driver_register(&ath10k_snoc_driver);
-	if (ret)
-		pr_err("failed to register ath10k snoc driver: %d\n",
-		       ret);
-
-	return ret;
-}
-module_init(ath10k_snoc_init);
-
-static void __exit ath10k_snoc_exit(void)
-{
-	platform_driver_unregister(&ath10k_snoc_driver);
-}
-module_exit(ath10k_snoc_exit);
+module_platform_driver(ath10k_snoc_driver);
 
 MODULE_AUTHOR("Qualcomm");
 MODULE_LICENSE("Dual BSD/GPL");

drivers/net/wireless/ath/ath10k/snoc.h

@@ -19,7 +19,6 @@
 
 #include "hw.h"
 #include "ce.h"
-#include "pci.h"
 
 struct ath10k_snoc_drv_priv {
 	enum ath10k_hw_rev hw_rev;

drivers/net/wireless/ath/ath10k/spectral.c

@@ -145,7 +145,7 @@ int ath10k_spectral_process_fft(struct ath10k *ar,
 	fft_sample->noise = __cpu_to_be16(phyerr->nf_chains[chain_idx]);
 
 	bins = (u8 *)fftr;
-	bins += sizeof(*fftr);
+	bins += sizeof(*fftr) + ar->hw_params.spectral_bin_offset;
 
 	fft_sample->tsf = __cpu_to_be64(tsf);
 

drivers/net/wireless/ath/ath10k/wmi.c

@@ -2366,7 +2366,7 @@ int ath10k_wmi_event_mgmt_rx(struct ath10k *ar, struct sk_buff *skb)
 	 */
 	if (channel >= 1 && channel <= 14) {
 		status->band = NL80211_BAND_2GHZ;
-	} else if (channel >= 36 && channel <= 169) {
+	} else if (channel >= 36 && channel <= ATH10K_MAX_5G_CHAN) {
 		status->band = NL80211_BAND_5GHZ;
 	} else {
 		/* Shouldn't happen unless list of advertised channels to
@@ -4602,10 +4602,6 @@ void ath10k_wmi_event_pdev_tpc_config(struct ath10k *ar, struct sk_buff *skb)
 
 	ev = (struct wmi_pdev_tpc_config_event *)skb->data;
 
-	tpc_stats = kzalloc(sizeof(*tpc_stats), GFP_ATOMIC);
-	if (!tpc_stats)
-		return;
-
 	num_tx_chain = __le32_to_cpu(ev->num_tx_chain);
 
 	if (num_tx_chain > WMI_TPC_TX_N_CHAIN) {
@@ -4614,6 +4610,10 @@ void ath10k_wmi_event_pdev_tpc_config(struct ath10k *ar, struct sk_buff *skb)
 		return;
 	}
 
+	tpc_stats = kzalloc(sizeof(*tpc_stats), GFP_ATOMIC);
+	if (!tpc_stats)
+		return;
+
 	ath10k_wmi_tpc_config_get_rate_code(rate_code, pream_table,
 					    num_tx_chain);
 
@@ -5018,13 +5018,11 @@ static int ath10k_wmi_alloc_chunk(struct ath10k *ar, u32 req_id,
 	void *vaddr;
 
 	pool_size = num_units * round_up(unit_len, 4);
-	vaddr = dma_alloc_coherent(ar->dev, pool_size, &paddr, GFP_KERNEL);
+	vaddr = dma_zalloc_coherent(ar->dev, pool_size, &paddr, GFP_KERNEL);
 
 	if (!vaddr)
 		return -ENOMEM;
 
-	memset(vaddr, 0, pool_size);
-
 	ar->wmi.mem_chunks[idx].vaddr = vaddr;
 	ar->wmi.mem_chunks[idx].paddr = paddr;
 	ar->wmi.mem_chunks[idx].len = pool_size;

drivers/net/wireless/ath/ath5k/pcu.c

@@ -670,6 +670,7 @@ ath5k_hw_init_beacon_timers(struct ath5k_hw *ah, u32 next_beacon, u32 interval)
 		break;
 	case NL80211_IFTYPE_ADHOC:
 		AR5K_REG_ENABLE_BITS(ah, AR5K_TXCFG, AR5K_TXCFG_ADHOC_BCN_ATIM);
+		/* fall through */
 	default:
 		/* On non-STA modes timer1 is used as next DMA
 		 * beacon alert (DBA) timer and timer2 as next

drivers/net/wireless/ath/ath6kl/cfg80211.c

@@ -3899,16 +3899,19 @@ int ath6kl_cfg80211_init(struct ath6kl *ar)
 	switch (ar->hw.cap) {
 	case WMI_11AN_CAP:
 		ht = true;
+		/* fall through */
 	case WMI_11A_CAP:
 		band_5gig = true;
 		break;
 	case WMI_11GN_CAP:
 		ht = true;
+		/* fall through */
 	case WMI_11G_CAP:
 		band_2gig = true;
 		break;
 	case WMI_11AGN_CAP:
 		ht = true;
+		/* fall through */
 	case WMI_11AG_CAP:
 		band_2gig = true;
 		band_5gig = true;

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

@@ -1415,6 +1415,7 @@ static const struct sdio_device_id ath6kl_sdio_devices[] = {
 	{SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6004_BASE | 0x1))},
 	{SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6004_BASE | 0x2))},
 	{SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6004_BASE | 0x18))},
+	{SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6004_BASE | 0x19))},
 	{},
 };
 

drivers/net/wireless/ath/ath9k/ar5008_phy.c

@@ -583,12 +583,14 @@ static void ar5008_hw_init_chain_masks(struct ath_hw *ah)
 	case 0x5:
 		REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
 			    AR_PHY_SWAP_ALT_CHAIN);
+		/* fall through */
 	case 0x3:
 		if (ah->hw_version.macVersion == AR_SREV_REVISION_5416_10) {
 			REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7);
 			REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7);
 			break;
 		}
+		/* else: fall through */
 	case 0x1:
 	case 0x2:
 	case 0x7:

drivers/net/wireless/ath/ath9k/ar9002_phy.c

@@ -119,6 +119,7 @@ static int ar9002_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 				aModeRefSel = 2;
 			if (aModeRefSel)
 				break;
+			/* else: fall through */
 		case 1:
 		default:
 			aModeRefSel = 0;

drivers/net/wireless/ath/ath9k/debug.c

@@ -538,7 +538,7 @@ static int read_file_interrupt(struct seq_file *file, void *data)
 	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
 		PR_IS("RXLP", rxlp);
 		PR_IS("RXHP", rxhp);
-		PR_IS("WATHDOG", bb_watchdog);
+		PR_IS("WATCHDOG", bb_watchdog);
 	} else {
 		PR_IS("RX", rxok);
 	}

drivers/net/wireless/ath/ath9k/main.c

@@ -1928,6 +1928,7 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
 	case IEEE80211_AMPDU_TX_STOP_FLUSH:
 	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
 		flush = true;
+		/* fall through */
 	case IEEE80211_AMPDU_TX_STOP_CONT:
 		ath9k_ps_wakeup(sc);
 		ath_tx_aggr_stop(sc, sta, tid);