Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Cross-merge networking fixes after downstream PR.

Adjacent changes:

drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
  23c93c3b6275 ("bnxt_en: do not map packet buffers twice")
  6d1add95536b ("bnxt_en: Modify TX ring indexing logic.")

tools/testing/selftests/net/Makefile
  2258b666482d ("selftests: add vlan hw filter tests")
  a0bc96c0cd6e ("selftests: net: verify fq per-band packet limit")

Signed-off-by: Paolo Abeni <pabeni@redhat.com>

7 files changed, 172 insertions, 48 deletions

diff --git a/drivers/platform/x86/amd/pmc/pmc-quirks.c b/drivers/platform/x86/amd/pmc/pmc-quirks.c
index 6bbffb081053..b456370166b6 100644
--- a/drivers/platform/x86/amd/pmc/pmc-quirks.c
+++ b/drivers/platform/x86/amd/pmc/pmc-quirks.c
@@ -16,12 +16,17 @@
 
 struct quirk_entry {
 	u32 s2idle_bug_mmio;
+	bool spurious_8042;
 };
 
 static struct quirk_entry quirk_s2idle_bug = {
 	.s2idle_bug_mmio = 0xfed80380,
 };
 
+static struct quirk_entry quirk_spurious_8042 = {
+	.spurious_8042 = true,
+};
+
 static const struct dmi_system_id fwbug_list[] = {
 	{
 		.ident = "L14 Gen2 AMD",
@@ -193,6 +198,16 @@ static const struct dmi_system_id fwbug_list[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "HP Laptop 15s-eq2xxx"),
 		}
 	},
+	/* https://community.frame.work/t/tracking-framework-amd-ryzen-7040-series-lid-wakeup-behavior-feedback/39128 */
+	{
+		.ident = "Framework Laptop 13 (Phoenix)",
+		.driver_data = &quirk_spurious_8042,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Framework"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Laptop 13 (AMD Ryzen 7040Series)"),
+			DMI_MATCH(DMI_BIOS_VERSION, "03.03"),
+		}
+	},
 	{}
 };
 
@@ -235,6 +250,9 @@ void amd_pmc_quirks_init(struct amd_pmc_dev *dev)
 {
 	const struct dmi_system_id *dmi_id;
 
+	if (dev->cpu_id == AMD_CPU_ID_CZN)
+		dev->disable_8042_wakeup = true;
+
 	dmi_id = dmi_first_match(fwbug_list);
 	if (!dmi_id)
 		return;
@@ -242,4 +260,6 @@ void amd_pmc_quirks_init(struct amd_pmc_dev *dev)
 	if (dev->quirks->s2idle_bug_mmio)
 		pr_info("Using s2idle quirk to avoid %s platform firmware bug\n",
 			dmi_id->ident);
+	if (dev->quirks->spurious_8042)
+		dev->disable_8042_wakeup = true;
 }
diff --git a/drivers/platform/x86/amd/pmc/pmc.c b/drivers/platform/x86/amd/pmc/pmc.c
index c3104714b480..864c8cc2f8a3 100644
--- a/drivers/platform/x86/amd/pmc/pmc.c
+++ b/drivers/platform/x86/amd/pmc/pmc.c
@@ -91,16 +91,6 @@
 #define SMU_MSG_LOG_RESET		0x07
 #define SMU_MSG_LOG_DUMP_DATA		0x08
 #define SMU_MSG_GET_SUP_CONSTRAINTS	0x09
-/* List of supported CPU ids */
-#define AMD_CPU_ID_RV			0x15D0
-#define AMD_CPU_ID_RN			0x1630
-#define AMD_CPU_ID_PCO			AMD_CPU_ID_RV
-#define AMD_CPU_ID_CZN			AMD_CPU_ID_RN
-#define AMD_CPU_ID_YC			0x14B5
-#define AMD_CPU_ID_CB			0x14D8
-#define AMD_CPU_ID_PS			0x14E8
-#define AMD_CPU_ID_SP			0x14A4
-#define PCI_DEVICE_ID_AMD_1AH_M20H_ROOT 0x1507
 
 #define PMC_MSG_DELAY_MIN_US		50
 #define RESPONSE_REGISTER_LOOP_MAX	20000
@@ -766,19 +756,22 @@ static int amd_pmc_get_os_hint(struct amd_pmc_dev *dev)
 	return -EINVAL;
 }
 
-static int amd_pmc_czn_wa_irq1(struct amd_pmc_dev *pdev)
+static int amd_pmc_wa_irq1(struct amd_pmc_dev *pdev)
 {
 	struct device *d;
 	int rc;
 
-	if (!pdev->major) {
-		rc = amd_pmc_get_smu_version(pdev);
-		if (rc)
-			return rc;
-	}
+	/* cezanne platform firmware has a fix in 64.66.0 */
+	if (pdev->cpu_id == AMD_CPU_ID_CZN) {
+		if (!pdev->major) {
+			rc = amd_pmc_get_smu_version(pdev);
+			if (rc)
+				return rc;
+		}
 
-	if (pdev->major > 64 || (pdev->major == 64 && pdev->minor > 65))
-		return 0;
+		if (pdev->major > 64 || (pdev->major == 64 && pdev->minor > 65))
+			return 0;
+	}
 
 	d = bus_find_device_by_name(&serio_bus, NULL, "serio0");
 	if (!d)
@@ -937,8 +930,8 @@ static int amd_pmc_suspend_handler(struct device *dev)
 {
 	struct amd_pmc_dev *pdev = dev_get_drvdata(dev);
 
-	if (pdev->cpu_id == AMD_CPU_ID_CZN && !disable_workarounds) {
-		int rc = amd_pmc_czn_wa_irq1(pdev);
+	if (pdev->disable_8042_wakeup && !disable_workarounds) {
+		int rc = amd_pmc_wa_irq1(pdev);
 
 		if (rc) {
 			dev_err(pdev->dev, "failed to adjust keyboard wakeup: %d\n", rc);
diff --git a/drivers/platform/x86/amd/pmc/pmc.h b/drivers/platform/x86/amd/pmc/pmc.h
index c27bd6a5642f..b4794f118739 100644
--- a/drivers/platform/x86/amd/pmc/pmc.h
+++ b/drivers/platform/x86/amd/pmc/pmc.h
@@ -36,9 +36,21 @@ struct amd_pmc_dev {
 	struct mutex lock; /* generic mutex lock */
 	struct dentry *dbgfs_dir;
 	struct quirk_entry *quirks;
+	bool disable_8042_wakeup;
 };
 
 void amd_pmc_process_restore_quirks(struct amd_pmc_dev *dev);
 void amd_pmc_quirks_init(struct amd_pmc_dev *dev);
 
+/* List of supported CPU ids */
+#define AMD_CPU_ID_RV			0x15D0
+#define AMD_CPU_ID_RN			0x1630
+#define AMD_CPU_ID_PCO			AMD_CPU_ID_RV
+#define AMD_CPU_ID_CZN			AMD_CPU_ID_RN
+#define AMD_CPU_ID_YC			0x14B5
+#define AMD_CPU_ID_CB			0x14D8
+#define AMD_CPU_ID_PS			0x14E8
+#define AMD_CPU_ID_SP			0x14A4
+#define PCI_DEVICE_ID_AMD_1AH_M20H_ROOT 0x1507
+
 #endif /* PMC_H */
diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c
index 84c175b9721a..e95d3011b999 100644
--- a/drivers/platform/x86/intel/pmc/core.c
+++ b/drivers/platform/x86/intel/pmc/core.c
@@ -472,7 +472,7 @@ int pmc_core_send_ltr_ignore(struct pmc_dev *pmcdev, u32 value)
 	 * is based on the contiguous indexes from ltr_show output.
 	 * pmc index and ltr index needs to be calculated from it.
 	 */
-	for (pmc_index = 0; pmc_index < ARRAY_SIZE(pmcdev->pmcs) && ltr_index > 0; pmc_index++) {
+	for (pmc_index = 0; pmc_index < ARRAY_SIZE(pmcdev->pmcs) && ltr_index >= 0; pmc_index++) {
 		pmc = pmcdev->pmcs[pmc_index];
 
 		if (!pmc)
diff --git a/drivers/platform/x86/intel/vbtn.c b/drivers/platform/x86/intel/vbtn.c
index 6fa1735ad7a4..210b0a81b7ec 100644
--- a/drivers/platform/x86/intel/vbtn.c
+++ b/drivers/platform/x86/intel/vbtn.c
@@ -73,10 +73,10 @@ struct intel_vbtn_priv {
 	bool wakeup_mode;
 };
 
-static void detect_tablet_mode(struct platform_device *device)
+static void detect_tablet_mode(struct device *dev)
 {
-	struct intel_vbtn_priv *priv = dev_get_drvdata(&device->dev);
-	acpi_handle handle = ACPI_HANDLE(&device->dev);
+	struct intel_vbtn_priv *priv = dev_get_drvdata(dev);
+	acpi_handle handle = ACPI_HANDLE(dev);
 	unsigned long long vgbs;
 	acpi_status status;
 	int m;
@@ -89,6 +89,8 @@ static void detect_tablet_mode(struct platform_device *device)
 	input_report_switch(priv->switches_dev, SW_TABLET_MODE, m);
 	m = (vgbs & VGBS_DOCK_MODE_FLAG) ? 1 : 0;
 	input_report_switch(priv->switches_dev, SW_DOCK, m);
+
+	input_sync(priv->switches_dev);
 }
 
 /*
@@ -134,7 +136,7 @@ static int intel_vbtn_input_setup(struct platform_device *device)
 	priv->switches_dev->id.bustype = BUS_HOST;
 
 	if (priv->has_switches) {
-		detect_tablet_mode(device);
+		detect_tablet_mode(&device->dev);
 
 		ret = input_register_device(priv->switches_dev);
 		if (ret)
@@ -198,6 +200,9 @@ static void notify_handler(acpi_handle handle, u32 event, void *context)
 	autorelease = val && (!ke_rel || ke_rel->type == KE_IGNORE);
 
 	sparse_keymap_report_event(input_dev, event, val, autorelease);
+
+	/* Some devices need this to report further events */
+	acpi_evaluate_object(handle, "VBDL", NULL, NULL);
 }
 
 /*
@@ -352,7 +357,13 @@ static void intel_vbtn_pm_complete(struct device *dev)
 
 static int intel_vbtn_pm_resume(struct device *dev)
 {
+	struct intel_vbtn_priv *priv = dev_get_drvdata(dev);
+
 	intel_vbtn_pm_complete(dev);
+
+	if (priv->has_switches)
+		detect_tablet_mode(dev);
+
 	return 0;
 }
 
diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c
index 4dfdbfca6841..c66808601fdd 100644
--- a/drivers/platform/x86/intel_ips.c
+++ b/drivers/platform/x86/intel_ips.c
@@ -590,6 +590,8 @@ static void ips_disable_gpu_turbo(struct ips_driver *ips)
  * @ips: IPS driver struct
  *
  * Check whether the MCP is over its thermal or power budget.
+ *
+ * Returns: %true if the temp or power has exceeded its maximum, else %false
  */
 static bool mcp_exceeded(struct ips_driver *ips)
 {
@@ -619,6 +621,8 @@ static bool mcp_exceeded(struct ips_driver *ips)
  * @cpu: CPU number to check
  *
  * Check a given CPU's average temp or power is over its limit.
+ *
+ * Returns: %true if the temp or power has exceeded its maximum, else %false
  */
 static bool cpu_exceeded(struct ips_driver *ips, int cpu)
 {
@@ -645,6 +649,8 @@ static bool cpu_exceeded(struct ips_driver *ips, int cpu)
  * @ips: IPS driver struct
  *
  * Check the MCH temp & power against their maximums.
+ *
+ * Returns: %true if the temp or power has exceeded its maximum, else %false
  */
 static bool mch_exceeded(struct ips_driver *ips)
 {
@@ -742,12 +748,13 @@ static void update_turbo_limits(struct ips_driver *ips)
  *   - down (at TDP limit)
  *     - adjust both CPU and GPU down if possible
  *
-		cpu+ gpu+	cpu+gpu-	cpu-gpu+	cpu-gpu-
-cpu < gpu <	cpu+gpu+	cpu+		gpu+		nothing
-cpu < gpu >=	cpu+gpu-(mcp<)	cpu+gpu-(mcp<)	gpu-		gpu-
-cpu >= gpu <	cpu-gpu+(mcp<)	cpu-		cpu-gpu+(mcp<)	cpu-
-cpu >= gpu >=	cpu-gpu-	cpu-gpu-	cpu-gpu-	cpu-gpu-
+ *              |cpu+ gpu+      cpu+gpu-        cpu-gpu+        cpu-gpu-
+ * cpu < gpu <  |cpu+gpu+       cpu+            gpu+            nothing
+ * cpu < gpu >= |cpu+gpu-(mcp<) cpu+gpu-(mcp<)  gpu-            gpu-
+ * cpu >= gpu < |cpu-gpu+(mcp<) cpu-            cpu-gpu+(mcp<)  cpu-
+ * cpu >= gpu >=|cpu-gpu-       cpu-gpu-        cpu-gpu-        cpu-gpu-
  *
+ * Returns: %0
  */
 static int ips_adjust(void *data)
 {
@@ -935,11 +942,13 @@ static void monitor_timeout(struct timer_list *t)
  * @data: ips driver structure
  *
  * This is the main function for the IPS driver.  It monitors power and
- * tempurature in the MCP and adjusts CPU and GPU power clams accordingly.
+ * temperature in the MCP and adjusts CPU and GPU power clamps accordingly.
  *
- * We keep a 5s moving average of power consumption and tempurature.  Using
+ * We keep a 5s moving average of power consumption and temperature.  Using
  * that data, along with CPU vs GPU preference, we adjust the power clamps
  * up or down.
+ *
+ * Returns: %0 on success or -errno on error
  */
 static int ips_monitor(void *data)
 {
@@ -1146,6 +1155,8 @@ static void dump_thermal_info(struct ips_driver *ips)
  * Handle temperature limit trigger events, generally by lowering the clamps.
  * If we're at a critical limit, we clamp back to the lowest possible value
  * to prevent emergency shutdown.
+ *
+ * Returns: IRQ_NONE or IRQ_HANDLED
  */
 static irqreturn_t ips_irq_handler(int irq, void *arg)
 {
@@ -1293,9 +1304,12 @@ static void ips_debugfs_init(struct ips_driver *ips)
 
 /**
  * ips_detect_cpu - detect whether CPU supports IPS
+ * @ips: IPS driver struct
  *
  * Walk our list and see if we're on a supported CPU.  If we find one,
  * return the limits for it.
+ *
+ * Returns: the &ips_mcp_limits struct that matches the boot CPU or %NULL
  */
 static struct ips_mcp_limits *ips_detect_cpu(struct ips_driver *ips)
 {
@@ -1352,6 +1366,8 @@ static struct ips_mcp_limits *ips_detect_cpu(struct ips_driver *ips)
  * monitor and control graphics turbo mode.  If we can find them, we can
  * enable graphics turbo, otherwise we must disable it to avoid exceeding
  * thermal and power limits in the MCP.
+ *
+ * Returns: %true if the required symbols are found, else %false
  */
 static bool ips_get_i915_syms(struct ips_driver *ips)
 {
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index d0b5fd4137bc..c4895e9bc714 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -512,10 +512,10 @@ struct tpacpi_quirk {
  * Iterates over a quirks list until one is found that matches the
  * ThinkPad's vendor, BIOS and EC model.
  *
- * Returns 0 if nothing matches, otherwise returns the quirks field of
+ * Returns: %0 if nothing matches, otherwise returns the quirks field of
  * the matching &struct tpacpi_quirk entry.
  *
- * The match criteria is: vendor, ec and bios much match.
+ * The match criteria is: vendor, ec and bios must match.
  */
 static unsigned long __init tpacpi_check_quirks(
 			const struct tpacpi_quirk *qlist,
@@ -7948,8 +7948,19 @@ static struct ibm_struct volume_driver_data = {
  * 	TPACPI_FAN_WR_TPEC is also available and should be used to
  * 	command the fan.  The X31/X40/X41 seems to have 8 fan levels,
  * 	but the ACPI tables just mention level 7.
+ *
+ * TPACPI_FAN_RD_TPEC_NS:
+ *	This mode is used for a few ThinkPads (L13 Yoga Gen2, X13 Yoga Gen2 etc.)
+ *	that are using non-standard EC locations for reporting fan speeds.
+ *	Currently these platforms only provide fan rpm reporting.
+ *
  */
 
+#define FAN_RPM_CAL_CONST 491520	/* FAN RPM calculation offset for some non-standard ECFW */
+
+#define FAN_NS_CTRL_STATUS	BIT(2)		/* Bit which determines control is enabled or not */
+#define FAN_NS_CTRL		BIT(4)		/* Bit which determines control is by host or EC */
+
 enum {					/* Fan control constants */
 	fan_status_offset = 0x2f,	/* EC register 0x2f */
 	fan_rpm_offset = 0x84,		/* EC register 0x84: LSB, 0x85 MSB (RPM)
@@ -7957,6 +7968,11 @@ enum {					/* Fan control constants */
 	fan_select_offset = 0x31,	/* EC register 0x31 (Firmware 7M)
 					   bit 0 selects which fan is active */
 
+	fan_status_offset_ns = 0x93,	/* Special status/control offset for non-standard EC Fan1 */
+	fan2_status_offset_ns = 0x96,	/* Special status/control offset for non-standard EC Fan2 */
+	fan_rpm_status_ns = 0x95,	/* Special offset for Fan1 RPM status for non-standard EC */
+	fan2_rpm_status_ns = 0x98,	/* Special offset for Fan2 RPM status for non-standard EC */
+
 	TP_EC_FAN_FULLSPEED = 0x40,	/* EC fan mode: full speed */
 	TP_EC_FAN_AUTO	    = 0x80,	/* EC fan mode: auto fan control */
 
@@ -7967,6 +7983,7 @@ enum fan_status_access_mode {
 	TPACPI_FAN_NONE = 0,		/* No fan status or control */
 	TPACPI_FAN_RD_ACPI_GFAN,	/* Use ACPI GFAN */
 	TPACPI_FAN_RD_TPEC,		/* Use ACPI EC regs 0x2f, 0x84-0x85 */
+	TPACPI_FAN_RD_TPEC_NS,		/* Use non-standard ACPI EC regs (eg: L13 Yoga gen2 etc.) */
 };
 
 enum fan_control_access_mode {
@@ -7994,6 +8011,8 @@ static u8 fan_control_desired_level;
 static u8 fan_control_resume_level;
 static int fan_watchdog_maxinterval;
 
+static bool fan_with_ns_addr;
+
 static struct mutex fan_mutex;
 
 static void fan_watchdog_fire(struct work_struct *ignored);
@@ -8123,6 +8142,15 @@ static int fan_get_status(u8 *status)
 		}
 
 		break;
+	case TPACPI_FAN_RD_TPEC_NS:
+		/* Default mode is AUTO which means controlled by EC */
+		if (!acpi_ec_read(fan_status_offset_ns, &s))
+			return -EIO;
+
+		if (status)
+			*status = s;
+
+		break;
 
 	default:
 		return -ENXIO;
@@ -8139,7 +8167,8 @@ static int fan_get_status_safe(u8 *status)
 	if (mutex_lock_killable(&fan_mutex))
 		return -ERESTARTSYS;
 	rc = fan_get_status(&s);
-	if (!rc)
+	/* NS EC doesn't have register with level settings */
+	if (!rc && !fan_with_ns_addr)
 		fan_update_desired_level(s);
 	mutex_unlock(&fan_mutex);
 
@@ -8166,7 +8195,13 @@ static int fan_get_speed(unsigned int *speed)
 
 		if (likely(speed))
 			*speed = (hi << 8) | lo;
+		break;
+	case TPACPI_FAN_RD_TPEC_NS:
+		if (!acpi_ec_read(fan_rpm_status_ns, &lo))
+			return -EIO;
 
+		if (speed)
+			*speed = lo ? FAN_RPM_CAL_CONST / lo : 0;
 		break;
 
 	default:
@@ -8178,7 +8213,7 @@ static int fan_get_speed(unsigned int *speed)
 
 static int fan2_get_speed(unsigned int *speed)
 {
-	u8 hi, lo;
+	u8 hi, lo, status;
 	bool rc;
 
 	switch (fan_status_access_mode) {
@@ -8194,7 +8229,21 @@ static int fan2_get_speed(unsigned int *speed)
 
 		if (likely(speed))
 			*speed = (hi << 8) | lo;
+		break;
 
+	case TPACPI_FAN_RD_TPEC_NS:
+		rc = !acpi_ec_read(fan2_status_offset_ns, &status);
+		if (rc)
+			return -EIO;
+		if (!(status & FAN_NS_CTRL_STATUS)) {
+			pr_info("secondary fan control not supported\n");
+			return -EIO;
+		}
+		rc = !acpi_ec_read(fan2_rpm_status_ns, &lo);
+		if (rc)
+			return -EIO;
+		if (speed)
+			*speed = lo ? FAN_RPM_CAL_CONST / lo : 0;
 		break;
 
 	default:
@@ -8697,6 +8746,7 @@ static const struct attribute_group fan_driver_attr_group = {
 #define TPACPI_FAN_2FAN		0x0002		/* EC 0x31 bit 0 selects fan2 */
 #define TPACPI_FAN_2CTL		0x0004		/* selects fan2 control */
 #define TPACPI_FAN_NOFAN	0x0008		/* no fan available */
+#define TPACPI_FAN_NS		0x0010		/* For EC with non-Standard register addresses */
 
 static const struct tpacpi_quirk fan_quirk_table[] __initconst = {
 	TPACPI_QEC_IBM('1', 'Y', TPACPI_FAN_Q1),
@@ -8715,6 +8765,8 @@ static const struct tpacpi_quirk fan_quirk_table[] __initconst = {
 	TPACPI_Q_LNV3('N', '2', 'O', TPACPI_FAN_2CTL),	/* P1 / X1 Extreme (2nd gen) */
 	TPACPI_Q_LNV3('N', '3', '0', TPACPI_FAN_2CTL),	/* P15 (1st gen) / P15v (1st gen) */
 	TPACPI_Q_LNV3('N', '3', '7', TPACPI_FAN_2CTL),  /* T15g (2nd gen) */
+	TPACPI_Q_LNV3('R', '1', 'F', TPACPI_FAN_NS),	/* L13 Yoga Gen 2 */
+	TPACPI_Q_LNV3('N', '2', 'U', TPACPI_FAN_NS),	/* X13 Yoga Gen 2*/
 	TPACPI_Q_LNV3('N', '1', 'O', TPACPI_FAN_NOFAN),	/* X1 Tablet (2nd gen) */
 };
 
@@ -8749,18 +8801,27 @@ static int __init fan_init(struct ibm_init_struct *iibm)
 		return -ENODEV;
 	}
 
+	if (quirks & TPACPI_FAN_NS) {
+		pr_info("ECFW with non-standard fan reg control found\n");
+		fan_with_ns_addr = 1;
+		/* Fan ctrl support from host is undefined for now */
+		tp_features.fan_ctrl_status_undef = 1;
+	}
+
 	if (gfan_handle) {
 		/* 570, 600e/x, 770e, 770x */
 		fan_status_access_mode = TPACPI_FAN_RD_ACPI_GFAN;
 	} else {
 		/* all other ThinkPads: note that even old-style
 		 * ThinkPad ECs supports the fan control register */
-		if (likely(acpi_ec_read(fan_status_offset,
-					&fan_control_initial_status))) {
+		if (fan_with_ns_addr ||
+		    likely(acpi_ec_read(fan_status_offset, &fan_control_initial_status))) {
 			int res;
 			unsigned int speed;
 
-			fan_status_access_mode = TPACPI_FAN_RD_TPEC;
+			fan_status_access_mode = fan_with_ns_addr ?
+				TPACPI_FAN_RD_TPEC_NS : TPACPI_FAN_RD_TPEC;
+
 			if (quirks & TPACPI_FAN_Q1)
 				fan_quirk1_setup();
 			/* Try and probe the 2nd fan */
@@ -8769,7 +8830,8 @@ static int __init fan_init(struct ibm_init_struct *iibm)
 			if (res >= 0 && speed != FAN_NOT_PRESENT) {
 				/* It responded - so let's assume it's there */
 				tp_features.second_fan = 1;
-				tp_features.second_fan_ctl = 1;
+				/* fan control not currently available for ns ECFW */
+				tp_features.second_fan_ctl = !fan_with_ns_addr;
 				pr_info("secondary fan control detected & enabled\n");
 			} else {
 				/* Fan not auto-detected */
@@ -8944,6 +9006,7 @@ static int fan_read(struct seq_file *m)
 			       str_enabled_disabled(status), status);
 		break;
 
+	case TPACPI_FAN_RD_TPEC_NS:
 	case TPACPI_FAN_RD_TPEC:
 		/* all except 570, 600e/x, 770e, 770x */
 		rc = fan_get_status_safe(&status);
@@ -8958,13 +9021,22 @@ static int fan_read(struct seq_file *m)
 
 		seq_printf(m, "speed:\t\t%d\n", speed);
 
-		if (status & TP_EC_FAN_FULLSPEED)
-			/* Disengaged mode takes precedence */
-			seq_printf(m, "level:\t\tdisengaged\n");
-		else if (status & TP_EC_FAN_AUTO)
-			seq_printf(m, "level:\t\tauto\n");
-		else
-			seq_printf(m, "level:\t\t%d\n", status);
+		if (fan_status_access_mode == TPACPI_FAN_RD_TPEC_NS) {
+			/*
+			 * No full speed bit in NS EC
+			 * EC Auto mode is set by default.
+			 * No other levels settings available
+			 */
+			seq_printf(m, "level:\t\t%s\n", status & FAN_NS_CTRL ? "unknown" : "auto");
+		} else {
+			if (status & TP_EC_FAN_FULLSPEED)
+				/* Disengaged mode takes precedence */
+				seq_printf(m, "level:\t\tdisengaged\n");
+			else if (status & TP_EC_FAN_AUTO)
+				seq_printf(m, "level:\t\tauto\n");
+			else
+				seq_printf(m, "level:\t\t%d\n", status);
+		}
 		break;
 
 	case TPACPI_FAN_NONE:
@@ -9303,7 +9375,7 @@ static struct tpacpi_battery_driver_data battery_info;
 
 /* ACPI helpers/functions/probes */
 
-/**
+/*
  * This evaluates a ACPI method call specific to the battery
  * ACPI extension. The specifics are that an error is marked
  * in the 32rd bit of the response, so we just check that here.