Merge "icnss: Add IO reset logic"

arch/arm64/configs/msmcortex_defconfig

@@ -523,6 +523,7 @@ CONFIG_QCOM_WATCHDOG_V2=y
 CONFIG_QCOM_IRQ_HELPER=y
 CONFIG_QCOM_MEMORY_DUMP_V2=y
 CONFIG_ICNSS=y
+CONFIG_ICNSS_DEBUG=y
 CONFIG_MSM_GLADIATOR_ERP_V2=y
 CONFIG_PANIC_ON_GLADIATOR_ERROR_V2=y
 CONFIG_MSM_GLADIATOR_HANG_DETECT=y

drivers/soc/qcom/Kconfig

@@ -417,6 +417,15 @@ config ICNSS
 	  control messages to FW over QMI channel. It is also responsible for
 	  handling WLAN PD restart notifications.
 
+config ICNSS_DEBUG
+	bool "ICNSS debug support"
+	depends on ICNSS
+	---help---
+	  Say 'Y' here to enable ICNSS driver debug support. Debug support
+	  primarily consists of logs consisting of information related to
+	  hardware register access and enabling BUG_ON for certain cases to aid
+	  the debugging.
+
 config MSM_SECURE_BUFFER
 	bool "Helper functions for securing buffers through TZ"
 	help

drivers/soc/qcom/icnss.c

@@ -44,11 +44,11 @@
 
 #include "wlan_firmware_service_v01.h"
 
-#define ICNSS_PANIC			1
 #define WLFW_TIMEOUT_MS			3000
 #define WLFW_SERVICE_INS_ID_V01		0
 #define MAX_PROP_SIZE			32
-#define NUM_LOG_PAGES			4
+#define NUM_LOG_PAGES			10
+#define NUM_REG_LOG_PAGES		4
 
 /*
  * Registers: MPM2_PSHOLD
@@ -57,9 +57,12 @@
 #define MPM_WCSSAON_CONFIG_OFFSET				0x18
 #define MPM_WCSSAON_CONFIG_ARES_N				BIT(0)
 #define MPM_WCSSAON_CONFIG_WLAN_DISABLE				BIT(1)
+#define MPM_WCSSAON_CONFIG_MSM_CLAMP_EN_OVRD			BIT(6)
+#define MPM_WCSSAON_CONFIG_MSM_CLAMP_EN_OVRD_VAL		BIT(7)
 #define MPM_WCSSAON_CONFIG_FORCE_ACTIVE				BIT(14)
 #define MPM_WCSSAON_CONFIG_FORCE_XO_ENABLE			BIT(19)
 #define MPM_WCSSAON_CONFIG_DISCONNECT_CLR			BIT(21)
+#define MPM_WCSSAON_CONFIG_M2W_CLAMP_EN				BIT(22)
 
 /*
  * Registers: WCSS_SR_SHADOW_REGISTERS
@@ -148,6 +151,10 @@
 
 #define ICNSS_HW_REG_RETRY					10
 
+#define WCSS_HM_A_PMM_HW_VERSION_V10				0x40000000
+#define WCSS_HM_A_PMM_HW_VERSION_V20				0x40010000
+#define WCSS_HM_A_PMM_HW_VERSION_Q10				0x40010001
+
 #define ICNSS_SERVICE_LOCATION_CLIENT_NAME			"ICNSS-WLAN"
 #define ICNSS_WLAN_SERVICE_NAME					"wlan/fw"
 
@@ -156,6 +163,15 @@
 		ipc_log_string(icnss_ipc_log_context, _x);		\
 	} while (0)
 
+#ifdef CONFIG_ICNSS_DEBUG
+#define icnss_ipc_log_long_string(_x...) do {				\
+	if (icnss_ipc_log_long_context)					\
+		ipc_log_string(icnss_ipc_log_long_context, _x);		\
+	} while (0)
+#else
+#define icnss_ipc_log_long_string(_x...)
+#endif
+
 #define icnss_pr_err(_fmt, ...) do {					\
 		pr_err(_fmt, ##__VA_ARGS__);				\
 		icnss_ipc_log_string("ERR: " pr_fmt(_fmt),		\
@@ -180,7 +196,13 @@
 				     ##__VA_ARGS__);			\
 	} while (0)
 
-#ifdef ICNSS_PANIC
+#define icnss_reg_dbg(_fmt, ...) do {				\
+		pr_debug(_fmt, ##__VA_ARGS__);				\
+		icnss_ipc_log_long_string("REG: " pr_fmt(_fmt),		\
+				     ##__VA_ARGS__);			\
+	} while (0)
+
+#ifdef CONFIG_ICNSS_DEBUG
 #define ICNSS_ASSERT(_condition) do {					\
 		if (!(_condition)) {					\
 			icnss_pr_err("ASSERT at line %d\n",		\
@@ -215,6 +237,10 @@ module_param(quirks, ulong, 0600);
 
 void *icnss_ipc_log_context;
 
+#ifdef CONFIG_ICNSS_DEBUG
+void *icnss_ipc_log_long_context;
+#endif
+
 #define ICNSS_EVENT_PENDING		2989
 
 enum icnss_driver_event_type {
@@ -383,7 +409,7 @@ static u32 icnss_hw_read_reg(void *base, u32 offset)
 {
 	u32 rdata = readl_relaxed(base + offset);
 
-	icnss_pr_dbg(" READ: offset: 0x%06x 0x%08x\n", offset, rdata);
+	icnss_reg_dbg(" READ: offset: 0x%06x 0x%08x\n", offset, rdata);
 
 	return rdata;
 }
@@ -395,7 +421,7 @@ static void icnss_hw_write_reg_field(void *base, u32 offset, u32 mask, u32 val)
 
 	val = (rdata & ~mask) | (val << shift);
 
-	icnss_pr_dbg("WRITE: offset: 0x%06x 0x%08x -> 0x%08x\n",
+	icnss_reg_dbg("WRITE: offset: 0x%06x 0x%08x -> 0x%08x\n",
 		     offset, rdata, val);
 
 	icnss_hw_write_reg(base, offset, val);
@@ -414,12 +440,12 @@ static int icnss_hw_poll_reg_field(void *base, u32 offset, u32 mask, u32 val,
 
 	rdata  = readl_relaxed(base + offset);
 
-	icnss_pr_dbg(" POLL: offset: 0x%06x 0x%08x == 0x%08x & 0x%08x\n",
+	icnss_reg_dbg(" POLL: offset: 0x%06x 0x%08x == 0x%08x & 0x%08x\n",
 		     offset, val, rdata, mask);
 
 	while ((rdata & mask) != val) {
 		if (retry != 0 && r >= retry) {
-			icnss_pr_err(" POLL FAILED: offset: 0x%06x 0x%08x == 0x%08x & 0x%08x\n",
+			icnss_pr_err("POLL FAILED: offset: 0x%06x 0x%08x == 0x%08x & 0x%08x\n",
 				     offset, val, rdata, mask);
 
 			return -EIO;
@@ -430,8 +456,8 @@ static int icnss_hw_poll_reg_field(void *base, u32 offset, u32 mask, u32 val,
 		rdata = readl_relaxed(base + offset);
 
 		if (retry)
-			icnss_pr_dbg(" POLL: offset: 0x%06x 0x%08x == 0x%08x & 0x%08x\n",
-				     offset, val, rdata, mask);
+			icnss_reg_dbg(" POLL: offset: 0x%06x 0x%08x == 0x%08x & 0x%08x\n",
+					 offset, val, rdata, mask);
 
 	}
 
@@ -758,6 +784,32 @@ static void icnss_hw_top_level_reset(struct icnss_priv *priv)
 				ICNSS_HW_REG_RETRY);
 }
 
+static void icnss_hw_io_reset(struct icnss_priv *priv, bool on)
+{
+	u32 hw_version = priv->soc_info.soc_id;
+
+	if (on && !test_bit(ICNSS_FW_READY, &priv->state))
+		return;
+
+	icnss_pr_dbg("HW io reset: %s, SoC: 0x%x, state: 0x%lx\n",
+		     on ? "ON" : "OFF", priv->soc_info.soc_id, priv->state);
+
+	if (hw_version == WCSS_HM_A_PMM_HW_VERSION_V10 ||
+	    hw_version == WCSS_HM_A_PMM_HW_VERSION_V20) {
+		icnss_hw_write_reg_field(priv->mpm_config_va,
+				MPM_WCSSAON_CONFIG_OFFSET,
+				MPM_WCSSAON_CONFIG_MSM_CLAMP_EN_OVRD_VAL, 0);
+		icnss_hw_write_reg_field(priv->mpm_config_va,
+				MPM_WCSSAON_CONFIG_OFFSET,
+				MPM_WCSSAON_CONFIG_MSM_CLAMP_EN_OVRD, on);
+	} else if (hw_version == WCSS_HM_A_PMM_HW_VERSION_Q10) {
+		icnss_hw_write_reg_field(priv->mpm_config_va,
+				MPM_WCSSAON_CONFIG_OFFSET,
+				MPM_WCSSAON_CONFIG_M2W_CLAMP_EN,
+				on);
+	}
+}
+
 int icnss_hw_reset_wlan_ss_power_down(struct icnss_priv *priv)
 {
 	u32 rdata;
@@ -1123,7 +1175,7 @@ static int icnss_hw_power_on(struct icnss_priv *priv)
 	int ret = 0;
 	unsigned long flags;
 
-	icnss_pr_dbg("Power on: state: 0x%lx\n", priv->state);
+	icnss_pr_dbg("HW Power on: state: 0x%lx\n", priv->state);
 
 	spin_lock_irqsave(&priv->on_off_lock, flags);
 	if (test_bit(ICNSS_POWER_ON, &priv->state)) {
@@ -1143,6 +1195,8 @@ static int icnss_hw_power_on(struct icnss_priv *priv)
 
 	icnss_hw_top_level_release_reset(priv);
 
+	icnss_hw_io_reset(penv, 1);
+
 	return ret;
 out:
 	clear_bit(ICNSS_POWER_ON, &priv->state);
@@ -1157,7 +1211,7 @@ static int icnss_hw_power_off(struct icnss_priv *priv)
 	if (test_bit(HW_ALWAYS_ON, &quirks))
 		return 0;
 
-	icnss_pr_dbg("Power off: 0x%lx\n", priv->state);
+	icnss_pr_dbg("HW Power off: 0x%lx\n", priv->state);
 
 	spin_lock_irqsave(&priv->on_off_lock, flags);
 	if (!test_bit(ICNSS_POWER_ON, &priv->state)) {
@@ -1167,6 +1221,8 @@ static int icnss_hw_power_off(struct icnss_priv *priv)
 	clear_bit(ICNSS_POWER_ON, &priv->state);
 	spin_unlock_irqrestore(&priv->on_off_lock, flags);
 
+	icnss_hw_io_reset(penv, 0);
+
 	icnss_hw_reset(priv);
 
 	icnss_clk_deinit(priv);
@@ -1191,6 +1247,8 @@ int icnss_power_on(struct device *dev)
 		return -EINVAL;
 	}
 
+	icnss_pr_dbg("Power On: 0x%lx\n", priv->state);
+
 	return icnss_hw_power_on(priv);
 }
 EXPORT_SYMBOL(icnss_power_on);
@@ -1205,6 +1263,8 @@ int icnss_power_off(struct device *dev)
 		return -EINVAL;
 	}
 
+	icnss_pr_dbg("Power Off: 0x%lx\n", priv->state);
+
 	return icnss_hw_power_off(priv);
 }
 EXPORT_SYMBOL(icnss_power_off);
@@ -1235,11 +1295,11 @@ int icnss_map_msa_permissions(struct icnss_priv *priv, u32 index)
 	ret = hyp_assign_phys(addr, size, source_vmlist, source_nelems,
 			      dest_vmids, dest_perms, dest_nelems);
 	if (ret) {
-		icnss_pr_err("region %u hyp_assign_phys failed IPA=%pa size=%u err=%d\n",
+		icnss_pr_err("Region %u hyp_assign_phys failed IPA=%pa size=%u err=%d\n",
 			     index, &addr, size, ret);
 		goto out;
 	}
-	icnss_pr_dbg("hypervisor map for region %u: source=%x, dest_nelems=%d, dest[0]=%x, dest[1]=%x, dest[2]=%x\n",
+	icnss_pr_dbg("Hypervisor map for region %u: source=%x, dest_nelems=%d, dest[0]=%x, dest[1]=%x, dest[2]=%x\n",
 		     index, source_vmlist[0], dest_nelems,
 		     dest_vmids[0], dest_vmids[1], dest_vmids[2]);
 out:
@@ -1271,7 +1331,7 @@ int icnss_unmap_msa_permissions(struct icnss_priv *priv, u32 index)
 	ret = hyp_assign_phys(addr, size, source_vmlist, source_nelems,
 			      dest_vmids, dest_perms, dest_nelems);
 	if (ret) {
-		icnss_pr_err("region %u hyp_assign_phys failed IPA=%pa size=%u err=%d\n",
+		icnss_pr_err("Region %u hyp_assign_phys failed IPA=%pa size=%u err=%d\n",
 			     index, &addr, size, ret);
 		goto out;
 	}
@@ -1310,16 +1370,14 @@ static void icnss_remove_msa_permissions(struct icnss_priv *priv)
 
 static int wlfw_msa_mem_info_send_sync_msg(void)
 {
-	int ret = 0;
+	int ret;
 	int i;
 	struct wlfw_msa_info_req_msg_v01 req;
 	struct wlfw_msa_info_resp_msg_v01 resp;
 	struct msg_desc req_desc, resp_desc;
 
-	if (!penv || !penv->wlfw_clnt) {
-		ret = -ENODEV;
-		goto out;
-	}
+	if (!penv || !penv->wlfw_clnt)
+		return -ENODEV;
 
 	icnss_pr_dbg("Sending MSA mem info, state: 0x%lx\n", penv->state);
 
@@ -1342,15 +1400,14 @@ static int wlfw_msa_mem_info_send_sync_msg(void)
 	ret = qmi_send_req_wait(penv->wlfw_clnt, &req_desc, &req, sizeof(req),
 			&resp_desc, &resp, sizeof(resp), WLFW_TIMEOUT_MS);
 	if (ret < 0) {
-		icnss_pr_err("Send req failed %d\n", ret);
+		icnss_pr_err("Send MSA Mem info req failed %d\n", ret);
 		goto out;
 	}
 
 	if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
-		icnss_pr_err("QMI request failed %d %d\n",
+		icnss_pr_err("QMI MSA Mem info request failed %d %d\n",
 			resp.resp.result, resp.resp.error);
 		ret = resp.resp.result;
-		penv->stats.msa_info_err++;
 		goto out;
 	}
 
@@ -1361,7 +1418,6 @@ static int wlfw_msa_mem_info_send_sync_msg(void)
 		icnss_pr_err("Invalid memory region length received: %d\n",
 			     resp.mem_region_info_len);
 		ret = -EINVAL;
-		penv->stats.msa_info_err++;
 		goto out;
 	}
 
@@ -1379,7 +1435,11 @@ static int wlfw_msa_mem_info_send_sync_msg(void)
 			 penv->icnss_mem_region[i].secure_flag);
 	}
 
+	return 0;
+
 out:
+	penv->stats.msa_info_err++;
+	ICNSS_ASSERT(false);
 	return ret;
 }
 
@@ -1390,10 +1450,8 @@ static int wlfw_msa_ready_send_sync_msg(void)
 	struct wlfw_msa_ready_resp_msg_v01 resp;
 	struct msg_desc req_desc, resp_desc;
 
-	if (!penv || !penv->wlfw_clnt) {
-		ret = -ENODEV;
-		goto out;
-	}
+	if (!penv || !penv->wlfw_clnt)
+		return -ENODEV;
 
 	icnss_pr_dbg("Sending MSA ready request message, state: 0x%lx\n",
 		     penv->state);
@@ -1413,20 +1471,23 @@ static int wlfw_msa_ready_send_sync_msg(void)
 	ret = qmi_send_req_wait(penv->wlfw_clnt, &req_desc, &req, sizeof(req),
 			&resp_desc, &resp, sizeof(resp), WLFW_TIMEOUT_MS);
 	if (ret < 0) {
-		penv->stats.msa_ready_err++;
-		icnss_pr_err("Send req failed %d\n", ret);
+		icnss_pr_err("Send MSA ready req failed %d\n", ret);
 		goto out;
 	}
 
 	if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
-		icnss_pr_err("QMI request failed %d %d\n",
+		icnss_pr_err("QMI MSA ready request failed %d %d\n",
 			resp.resp.result, resp.resp.error);
-		penv->stats.msa_ready_err++;
 		ret = resp.resp.result;
 		goto out;
 	}
 	penv->stats.msa_ready_resp++;
+
+	return 0;
+
 out:
+	penv->stats.msa_ready_err++;
+	ICNSS_ASSERT(false);
 	return ret;
 }
 
@@ -1437,10 +1498,8 @@ static int wlfw_ind_register_send_sync_msg(void)
 	struct wlfw_ind_register_resp_msg_v01 resp;
 	struct msg_desc req_desc, resp_desc;
 
-	if (!penv || !penv->wlfw_clnt) {
-		ret = -ENODEV;
-		goto out;
-	}
+	if (!penv || !penv->wlfw_clnt)
+		return -ENODEV;
 
 	icnss_pr_dbg("Sending indication register message, state: 0x%lx\n",
 		     penv->state);
@@ -1468,21 +1527,24 @@ static int wlfw_ind_register_send_sync_msg(void)
 	ret = qmi_send_req_wait(penv->wlfw_clnt, &req_desc, &req, sizeof(req),
 				&resp_desc, &resp, sizeof(resp),
 				WLFW_TIMEOUT_MS);
-	penv->stats.ind_register_resp++;
 	if (ret < 0) {
-		icnss_pr_err("Send req failed %d\n", ret);
-		penv->stats.ind_register_err++;
+		icnss_pr_err("Send indication register req failed %d\n", ret);
 		goto out;
 	}
 
 	if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
-		icnss_pr_err("QMI request failed %d %d\n",
+		icnss_pr_err("QMI indication register request failed %d %d\n",
 		       resp.resp.result, resp.resp.error);
 		ret = resp.resp.result;
-		penv->stats.ind_register_err++;
 		goto out;
 	}
+	penv->stats.ind_register_resp++;
+
+	return 0;
+
 out:
+	penv->stats.ind_register_err++;
+	ICNSS_ASSERT(false);
 	return ret;
 }
 
@@ -1493,10 +1555,8 @@ static int wlfw_cap_send_sync_msg(void)
 	struct wlfw_cap_resp_msg_v01 resp;
 	struct msg_desc req_desc, resp_desc;
 
-	if (!penv || !penv->wlfw_clnt) {
-		ret = -ENODEV;
-		goto out;
-	}
+	if (!penv || !penv->wlfw_clnt)
+		return -ENODEV;
 
 	icnss_pr_dbg("Sending capability message, state: 0x%lx\n", penv->state);
 
@@ -1515,16 +1575,14 @@ static int wlfw_cap_send_sync_msg(void)
 				&resp_desc, &resp, sizeof(resp),
 				WLFW_TIMEOUT_MS);
 	if (ret < 0) {
-		icnss_pr_err("Send req failed %d\n", ret);
-		penv->stats.cap_err++;
+		icnss_pr_err("Send capability req failed %d\n", ret);
 		goto out;
 	}
 
 	if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
-		icnss_pr_err("QMI request failed %d %d\n",
+		icnss_pr_err("QMI capability request failed %d %d\n",
 		       resp.resp.result, resp.resp.error);
 		ret = resp.resp.result;
-		penv->stats.cap_err++;
 		goto out;
 	}
 
@@ -1546,7 +1604,12 @@ static int wlfw_cap_send_sync_msg(void)
 		     penv->board_info.board_id, penv->soc_info.soc_id,
 		     penv->fw_version_info.fw_version,
 		     penv->fw_version_info.fw_build_timestamp);
+
+	return 0;
+
 out:
+	penv->stats.cap_err++;
+	ICNSS_ASSERT(false);
 	return ret;
 }
 
@@ -1557,10 +1620,8 @@ static int wlfw_wlan_mode_send_sync_msg(enum wlfw_driver_mode_enum_v01 mode)
 	struct wlfw_wlan_mode_resp_msg_v01 resp;
 	struct msg_desc req_desc, resp_desc;
 
-	if (!penv || !penv->wlfw_clnt) {
-		ret = -ENODEV;
-		goto out;
-	}
+	if (!penv || !penv->wlfw_clnt)
+		return -ENODEV;
 
 	/* During recovery do not send mode request for WLAN OFF as
 	 * FW not able to process it.
@@ -1592,20 +1653,24 @@ static int wlfw_wlan_mode_send_sync_msg(enum wlfw_driver_mode_enum_v01 mode)
 				&resp_desc, &resp, sizeof(resp),
 				WLFW_TIMEOUT_MS);
 	if (ret < 0) {
-		icnss_pr_err("Send req failed %d\n", ret);
-		penv->stats.mode_req_err++;
+		icnss_pr_err("Send mode req failed, mode: %d ret: %d\n",
+			     mode, ret);
 		goto out;
 	}
 
 	if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
-		icnss_pr_err("QMI request failed %d %d\n",
-		       resp.resp.result, resp.resp.error);
+		icnss_pr_err("QMI mode request failed mode: %d, %d %d\n",
+			     mode, resp.resp.result, resp.resp.error);
 		ret = resp.resp.result;
-		penv->stats.mode_req_err++;
 		goto out;
 	}
 	penv->stats.mode_resp++;
+
+	return 0;
+
 out:
+	penv->stats.mode_req_err++;
+	ICNSS_ASSERT(false);
 	return ret;
 }
 
@@ -1616,10 +1681,8 @@ static int wlfw_wlan_cfg_send_sync_msg(struct wlfw_wlan_cfg_req_msg_v01 *data)
 	struct wlfw_wlan_cfg_resp_msg_v01 resp;
 	struct msg_desc req_desc, resp_desc;
 
-	if (!penv || !penv->wlfw_clnt) {
+	if (!penv || !penv->wlfw_clnt)
 		return -ENODEV;
-		goto out;
-	}
 
 	icnss_pr_dbg("Sending config request, state: 0x%lx\n", penv->state);
 
@@ -1641,20 +1704,23 @@ static int wlfw_wlan_cfg_send_sync_msg(struct wlfw_wlan_cfg_req_msg_v01 *data)
 				&resp_desc, &resp, sizeof(resp),
 				WLFW_TIMEOUT_MS);
 	if (ret < 0) {
-		icnss_pr_err("Send req failed %d\n", ret);
-		penv->stats.cfg_req_err++;
+		icnss_pr_err("Send config req failed %d\n", ret);
 		goto out;
 	}
 
 	if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
-		icnss_pr_err("QMI request failed %d %d\n",
+		icnss_pr_err("QMI config request failed %d %d\n",
 		       resp.resp.result, resp.resp.error);
 		ret = resp.resp.result;
-		penv->stats.cfg_req_err++;
 		goto out;
 	}
 	penv->stats.cfg_resp++;
+
+	return 0;
+
 out:
+	penv->stats.cfg_req_err++;
+	ICNSS_ASSERT(false);
 	return ret;
 }
 
@@ -1665,10 +1731,8 @@ static int wlfw_ini_send_sync_msg(bool enable_fw_log)
 	struct wlfw_ini_resp_msg_v01 resp;
 	struct msg_desc req_desc, resp_desc;
 
-	if (!penv || !penv->wlfw_clnt) {
-		ret = -ENODEV;
-		goto out;
-	}
+	if (!penv || !penv->wlfw_clnt)
+		return -ENODEV;
 
 	icnss_pr_dbg("Sending ini sync request, state: 0x%lx, fw_log: %d\n",
 		     penv->state, enable_fw_log);
@@ -1692,20 +1756,24 @@ static int wlfw_ini_send_sync_msg(bool enable_fw_log)
 	ret = qmi_send_req_wait(penv->wlfw_clnt, &req_desc, &req, sizeof(req),
 			&resp_desc, &resp, sizeof(resp), WLFW_TIMEOUT_MS);
 	if (ret < 0) {
-		icnss_pr_err("send req failed %d\n", ret);
-		penv->stats.ini_req_err++;
+		icnss_pr_err("Send INI req failed fw_log: %d, ret: %d\n",
+			     enable_fw_log, ret);
 		goto out;
 	}
 
 	if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
-		icnss_pr_err("QMI request failed %d %d\n",
-		       resp.resp.result, resp.resp.error);
+		icnss_pr_err("QMI INI request failed fw_log: %d, %d %d\n",
+			     enable_fw_log, resp.resp.result, resp.resp.error);
 		ret = resp.resp.result;
-		penv->stats.ini_req_err++;
 		goto out;
 	}
 	penv->stats.ini_resp++;
+
+	return 0;
+
 out:
+	penv->stats.ini_req_err++;
+	ICNSS_ASSERT(false);
 	return ret;
 }
 
@@ -1789,12 +1857,11 @@ static int icnss_driver_event_server_arrive(void *data)
 		goto out;
 	}
 
-	ret = qmi_connect_to_service(penv->wlfw_clnt,
-					WLFW_SERVICE_ID_V01,
-					WLFW_SERVICE_VERS_V01,
-					WLFW_SERVICE_INS_ID_V01);
+	ret = qmi_connect_to_service(penv->wlfw_clnt, WLFW_SERVICE_ID_V01,
+				     WLFW_SERVICE_VERS_V01,
+				     WLFW_SERVICE_INS_ID_V01);
 	if (ret < 0) {
-		icnss_pr_err("Server not found : %d\n", ret);
+		icnss_pr_err("QMI WLAN Service not found : %d\n", ret);
 		goto fail;
 	}
 
@@ -1815,10 +1882,8 @@ static int icnss_driver_event_server_arrive(void *data)
 		goto fail;
 
 	ret = wlfw_ind_register_send_sync_msg();
-	if (ret < 0) {
-		icnss_pr_err("Failed to send indication message: %d\n", ret);
+	if (ret < 0)
 		goto err_power_on;
-	}
 
 	if (!penv->msa_va) {
 		icnss_pr_err("Invalid MSA address\n");
@@ -1827,27 +1892,21 @@ static int icnss_driver_event_server_arrive(void *data)
 	}
 
 	ret = wlfw_msa_mem_info_send_sync_msg();
-	if (ret < 0) {
-		icnss_pr_err("Failed to send MSA info: %d\n", ret);
+	if (ret < 0)
 		goto err_power_on;
-	}
+
 	ret = icnss_setup_msa_permissions(penv);
-	if (ret < 0) {
-		icnss_pr_err("Failed to setup msa permissions: %d\n",
-			     ret);
+	if (ret < 0)
 		goto err_power_on;
-	}
+
 	ret = wlfw_msa_ready_send_sync_msg();
-	if (ret < 0) {
-		icnss_pr_err("Failed to send MSA ready : %d\n", ret);
+	if (ret < 0)
 		goto err_setup_msa;
-	}
 
 	ret = wlfw_cap_send_sync_msg();
-	if (ret < 0) {
-		icnss_pr_err("Failed to get capability: %d\n", ret);
+	if (ret < 0)
 		goto err_setup_msa;
-	}
+
 	return ret;
 
 err_setup_msa:
@@ -2680,14 +2739,10 @@ int icnss_wlan_enable(struct icnss_wlan_enable_cfg *config,
 	       sizeof(struct wlfw_shadow_reg_cfg_s_v01) * req.shadow_reg_len);
 
 	ret = wlfw_wlan_cfg_send_sync_msg(&req);
-	if (ret) {
-		icnss_pr_err("Failed to send cfg, ret = %d\n", ret);
+	if (ret)
 		goto out;
-	}
 skip:
 	ret = wlfw_wlan_mode_send_sync_msg(mode);
-	if (ret)
-		icnss_pr_err("Failed to send mode, ret = %d\n", ret);
 out:
 	if (test_bit(SKIP_QMI, &quirks))
 		ret = 0;
@@ -3416,6 +3471,8 @@ static int icnss_probe(struct platform_device *pdev)
 		return -EEXIST;
 	}
 
+	icnss_pr_dbg("Platform driver probe\n");
+
 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
@@ -3515,9 +3572,8 @@ static int icnss_probe(struct platform_device *pdev)
 	} else {
 		priv->smmu_iova_start = res->start;
 		priv->smmu_iova_len = resource_size(res);
-		icnss_pr_dbg("smmu_iova_start: %pa, smmu_iova_len: %zu\n",
-			     &priv->smmu_iova_start,
-			     priv->smmu_iova_len);
+		icnss_pr_dbg("SMMU IOVA start: %pa, len: %zu\n",
+			     &priv->smmu_iova_start, priv->smmu_iova_len);
 
 		res = platform_get_resource_byname(pdev,
 						   IORESOURCE_MEM,
@@ -3527,7 +3583,7 @@ static int icnss_probe(struct platform_device *pdev)
 		} else {
 			priv->smmu_iova_ipa_start = res->start;
 			priv->smmu_iova_ipa_len = resource_size(res);
-			icnss_pr_dbg("smmu_iova_ipa_start: %pa, smmu_iova_ipa_len: %zu\n",
+			icnss_pr_dbg("SMMU IOVA IPA start: %pa, len: %zu\n",
 				     &priv->smmu_iova_ipa_start,
 				     priv->smmu_iova_ipa_len);
 		}
@@ -3688,6 +3744,26 @@ static struct platform_driver icnss_driver = {
 	},
 };
 
+#ifdef CONFIG_ICNSS_DEBUG
+static void __init icnss_ipc_log_long_context_init(void)
+{
+	icnss_ipc_log_long_context = ipc_log_context_create(NUM_REG_LOG_PAGES,
+							   "icnss_long", 0);
+	if (!icnss_ipc_log_long_context)
+		icnss_pr_err("Unable to create register log context\n");
+}
+
+static void __exit icnss_ipc_log_long_context_destroy(void)
+{
+	ipc_log_context_destroy(icnss_ipc_log_long_context);
+	icnss_ipc_log_long_context = NULL;
+}
+#else
+
+static void __init icnss_ipc_log_long_context_init(void) { }
+static void __exit icnss_ipc_log_long_context_destroy(void) { }
+#endif
+
 static int __init icnss_initialize(void)
 {
 	icnss_ipc_log_context = ipc_log_context_create(NUM_LOG_PAGES,
@@ -3695,6 +3771,8 @@ static int __init icnss_initialize(void)
 	if (!icnss_ipc_log_context)
 		icnss_pr_err("Unable to create log context\n");
 
+	icnss_ipc_log_long_context_init();
+
 	return platform_driver_register(&icnss_driver);
 }
 
@@ -3703,6 +3781,8 @@ static void __exit icnss_exit(void)
 	platform_driver_unregister(&icnss_driver);
 	ipc_log_context_destroy(icnss_ipc_log_context);
 	icnss_ipc_log_context = NULL;
+
+	icnss_ipc_log_long_context_destroy();
 }