Merge tag 'ath-next-20250305' of git://git.kernel.org/pub/scm/linux/kernel/git/ath/ath

Jeff Johnson says:
====================
ath.git patches for v6.15

This development cycle again featured multiple patchsets to ath12k to
support the new 802.11be MLO feature. In addition, there was the usual
set of bug fixes and cleanups.
====================

Link: https://lore.kernel.org/linux-wireless/d01b1976-ebe8-48cd-8f49-32bfa00bed7e@oss.qualcomm.com/
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 75 insertions, 28 deletions

diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c
index 0606116d6b9c4..0b2dec081c6ee 100644
--- a/drivers/net/wireless/ath/ath12k/core.c
+++ b/drivers/net/wireless/ath/ath12k/core.c
@@ -23,6 +23,10 @@ unsigned int ath12k_debug_mask;
 module_param_named(debug_mask, ath12k_debug_mask, uint, 0644);
 MODULE_PARM_DESC(debug_mask, "Debugging mask");
 
+bool ath12k_ftm_mode;
+module_param_named(ftm_mode, ath12k_ftm_mode, bool, 0444);
+MODULE_PARM_DESC(ftm_mode, "Boots up in factory test mode");
+
 /* protected with ath12k_hw_group_mutex */
 static struct list_head ath12k_hw_group_list = LIST_HEAD_INIT(ath12k_hw_group_list);
 
@@ -36,6 +40,9 @@ static int ath12k_core_rfkill_config(struct ath12k_base *ab)
 	if (!(ab->target_caps.sys_cap_info & WMI_SYS_CAP_INFO_RFKILL))
 		return 0;
 
+	if (ath12k_acpi_get_disable_rfkill(ab))
+		return 0;
+
 	for (i = 0; i < ab->num_radios; i++) {
 		ar = ab->pdevs[i].ar;
 
@@ -173,7 +180,7 @@ EXPORT_SYMBOL(ath12k_core_resume);
 
 static int __ath12k_core_create_board_name(struct ath12k_base *ab, char *name,
 					   size_t name_len, bool with_variant,
-					   bool bus_type_mode)
+					   bool bus_type_mode, bool with_default)
 {
 	/* strlen(',variant=') + strlen(ab->qmi.target.bdf_ext) */
 	char variant[9 + ATH12K_QMI_BDF_EXT_STR_LENGTH] = { 0 };
@@ -204,7 +211,9 @@ static int __ath12k_core_create_board_name(struct ath12k_base *ab, char *name,
 			  "bus=%s,qmi-chip-id=%d,qmi-board-id=%d%s",
 			  ath12k_bus_str(ab->hif.bus),
 			  ab->qmi.target.chip_id,
-			  ab->qmi.target.board_id, variant);
+			  with_default ?
+			  ATH12K_BOARD_ID_DEFAULT : ab->qmi.target.board_id,
+			  variant);
 		break;
 	}
 
@@ -216,19 +225,19 @@ static int __ath12k_core_create_board_name(struct ath12k_base *ab, char *name,
 static int ath12k_core_create_board_name(struct ath12k_base *ab, char *name,
 					 size_t name_len)
 {
-	return __ath12k_core_create_board_name(ab, name, name_len, true, false);
+	return __ath12k_core_create_board_name(ab, name, name_len, true, false, false);
 }
 
 static int ath12k_core_create_fallback_board_name(struct ath12k_base *ab, char *name,
 						  size_t name_len)
 {
-	return __ath12k_core_create_board_name(ab, name, name_len, false, false);
+	return __ath12k_core_create_board_name(ab, name, name_len, false, false, true);
 }
 
 static int ath12k_core_create_bus_type_board_name(struct ath12k_base *ab, char *name,
 						  size_t name_len)
 {
-	return __ath12k_core_create_board_name(ab, name, name_len, false, true);
+	return __ath12k_core_create_board_name(ab, name, name_len, false, true, true);
 }
 
 const struct firmware *ath12k_core_firmware_request(struct ath12k_base *ab,
@@ -693,6 +702,11 @@ static int ath12k_core_soc_create(struct ath12k_base *ab)
 {
 	int ret;
 
+	if (ath12k_ftm_mode) {
+		ab->fw_mode = ATH12K_FIRMWARE_MODE_FTM;
+		ath12k_info(ab, "Booting in ftm mode\n");
+	}
+
 	ret = ath12k_qmi_init_service(ab);
 	if (ret) {
 		ath12k_err(ab, "failed to initialize qmi :%d\n", ret);
@@ -741,8 +755,7 @@ static void ath12k_core_pdev_destroy(struct ath12k_base *ab)
 	ath12k_dp_pdev_free(ab);
 }
 
-static int ath12k_core_start(struct ath12k_base *ab,
-			     enum ath12k_firmware_mode mode)
+static int ath12k_core_start(struct ath12k_base *ab)
 {
 	int ret;
 
@@ -836,10 +849,7 @@ static int ath12k_core_start(struct ath12k_base *ab,
 		goto err_reo_cleanup;
 	}
 
-	ret = ath12k_acpi_start(ab);
-	if (ret)
-		/* ACPI is optional so continue in case of an error */
-		ath12k_dbg(ab, ATH12K_DBG_BOOT, "acpi failed: %d\n", ret);
+	ath12k_acpi_set_dsm_func(ab);
 
 	if (!test_bit(ATH12K_FLAG_RECOVERY, &ab->dev_flags))
 		/* Indicate the core start in the appropriate group */
@@ -887,10 +897,41 @@ static void ath12k_core_hw_group_stop(struct ath12k_hw_group *ag)
 	ath12k_mac_destroy(ag);
 }
 
+u8 ath12k_get_num_partner_link(struct ath12k *ar)
+{
+	struct ath12k_base *partner_ab, *ab = ar->ab;
+	struct ath12k_hw_group *ag = ab->ag;
+	struct ath12k_pdev *pdev;
+	u8 num_link = 0;
+	int i, j;
+
+	lockdep_assert_held(&ag->mutex);
+
+	for (i = 0; i < ag->num_devices; i++) {
+		partner_ab = ag->ab[i];
+
+		for (j = 0; j < partner_ab->num_radios; j++) {
+			pdev = &partner_ab->pdevs[j];
+
+			/* Avoid the self link */
+			if (ar == pdev->ar)
+				continue;
+
+			num_link++;
+		}
+	}
+
+	return num_link;
+}
+
 static int __ath12k_mac_mlo_ready(struct ath12k *ar)
 {
+	u8 num_link = ath12k_get_num_partner_link(ar);
 	int ret;
 
+	if (num_link == 0)
+		return 0;
+
 	ret = ath12k_wmi_mlo_ready(ar);
 	if (ret) {
 		ath12k_err(ar->ab, "MLO ready failed for pdev %d: %d\n",
@@ -920,19 +961,18 @@ int ath12k_mac_mlo_ready(struct ath12k_hw_group *ag)
 			ar = &ah->radio[j];
 			ret = __ath12k_mac_mlo_ready(ar);
 			if (ret)
-				goto out;
+				return ret;
 		}
 	}
 
-out:
-	return ret;
+	return 0;
 }
 
 static int ath12k_core_mlo_setup(struct ath12k_hw_group *ag)
 {
 	int ret, i;
 
-	if (!ag->mlo_capable || ag->num_devices == 1)
+	if (!ag->mlo_capable)
 		return 0;
 
 	ret = ath12k_mac_mlo_setup(ag);
@@ -1068,7 +1108,7 @@ int ath12k_core_qmi_firmware_ready(struct ath12k_base *ab)
 	struct ath12k_hw_group *ag = ath12k_ab_to_ag(ab);
 	int ret, i;
 
-	ret = ath12k_core_start_firmware(ab, ATH12K_FIRMWARE_MODE_NORMAL);
+	ret = ath12k_core_start_firmware(ab, ab->fw_mode);
 	if (ret) {
 		ath12k_err(ab, "failed to start firmware: %d\n", ret);
 		return ret;
@@ -1089,7 +1129,7 @@ int ath12k_core_qmi_firmware_ready(struct ath12k_base *ab)
 	mutex_lock(&ag->mutex);
 	mutex_lock(&ab->core_lock);
 
-	ret = ath12k_core_start(ab, ATH12K_FIRMWARE_MODE_NORMAL);
+	ret = ath12k_core_start(ab);
 	if (ret) {
 		ath12k_err(ab, "failed to start core: %d\n", ret);
 		goto err_dp_free;
@@ -1122,16 +1162,18 @@ err_core_stop:
 		ath12k_core_stop(ab);
 		mutex_unlock(&ab->core_lock);
 	}
+	mutex_unlock(&ag->mutex);
 	goto exit;
 
 err_dp_free:
 	ath12k_dp_free(ab);
 	mutex_unlock(&ab->core_lock);
+	mutex_unlock(&ag->mutex);
+
 err_firmware_stop:
 	ath12k_qmi_firmware_stop(ab);
 
 exit:
-	mutex_unlock(&ag->mutex);
 	return ret;
 }
 
@@ -1239,7 +1281,8 @@ static void ath12k_core_pre_reconfigure_recovery(struct ath12k_base *ab)
 
 	for (i = 0; i < ag->num_hw; i++) {
 		ah = ath12k_ag_to_ah(ag, i);
-		if (!ah || ah->state == ATH12K_HW_STATE_OFF)
+		if (!ah || ah->state == ATH12K_HW_STATE_OFF ||
+		    ah->state == ATH12K_HW_STATE_TM)
 			continue;
 
 		ieee80211_stop_queues(ah->hw);
@@ -1309,6 +1352,9 @@ static void ath12k_core_post_reconfigure_recovery(struct ath12k_base *ab)
 			ath12k_warn(ab,
 				    "device is wedged, will not restart hw %d\n", i);
 			break;
+		case ATH12K_HW_STATE_TM:
+			ath12k_warn(ab, "fw mode reset done radio %d\n", i);
+			break;
 		}
 
 		mutex_unlock(&ah->hw_mutex);
@@ -1602,6 +1648,9 @@ static struct ath12k_hw_group *ath12k_core_hw_group_assign(struct ath12k_base *a
 
 	lockdep_assert_held(&ath12k_hw_group_mutex);
 
+	if (ath12k_ftm_mode)
+		goto invalid_group;
+
 	/* The grouping of multiple devices will be done based on device tree file.
 	 * The platforms that do not have any valid group information would have
 	 * each device to be part of its own invalid group.
@@ -1789,19 +1838,19 @@ void ath12k_core_hw_group_set_mlo_capable(struct ath12k_hw_group *ag)
 	struct ath12k_base *ab;
 	int i;
 
+	if (ath12k_ftm_mode)
+		return;
+
 	lockdep_assert_held(&ag->mutex);
 
 	/* If more than one devices are grouped, then inter MLO
 	 * functionality can work still independent of whether internally
 	 * each device supports single_chip_mlo or not.
-	 * Only when there is one device, then it depends whether the
-	 * device can support intra chip MLO or not
+	 * Only when there is one device, then disable for WCN chipsets
+	 * till the required driver implementation is in place.
 	 */
-	if (ag->num_devices > 1) {
-		ag->mlo_capable = true;
-	} else {
+	if (ag->num_devices == 1) {
 		ab = ag->ab[0];
-		ag->mlo_capable = ab->single_chip_mlo_supp;
 
 		/* WCN chipsets does not advertise in firmware features
 		 * hence skip checking
@@ -1810,8 +1859,7 @@ void ath12k_core_hw_group_set_mlo_capable(struct ath12k_hw_group *ag)
 			return;
 	}
 
-	if (!ag->mlo_capable)
-		return;
+	ag->mlo_capable = true;
 
 	for (i = 0; i < ag->num_devices; i++) {
 		ab = ag->ab[i];
@@ -1927,7 +1975,6 @@ struct ath12k_base *ath12k_core_alloc(struct device *dev, size_t priv_size,
 	ab->dev = dev;
 	ab->hif.bus = bus;
 	ab->qmi.num_radios = U8_MAX;
-	ab->single_chip_mlo_supp = false;
 
 	/* Device index used to identify the devices in a group.
 	 *