6 files changed, 88 insertions, 29 deletions

diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h
index aac36750d2c5..c3a6657dcd4a 100644
--- a/drivers/misc/mei/hw-me-regs.h
+++ b/drivers/misc/mei/hw-me-regs.h
@@ -115,6 +115,8 @@
 #define MEI_DEV_ID_ARL_S      0x7F68  /* Arrow Lake Point S */
 #define MEI_DEV_ID_ARL_H      0x7770  /* Arrow Lake Point H */
 
+#define MEI_DEV_ID_LNL_M      0xA870  /* Lunar Lake Point M */
+
 /*
  * MEI HW Section
  */
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index b5757993c9b2..7f59dd38c32f 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -116,12 +116,14 @@ static const struct pci_device_id mei_me_pci_tbl[] = {
 	{MEI_PCI_DEVICE(MEI_DEV_ID_ADP_P, MEI_ME_PCH15_CFG)},
 	{MEI_PCI_DEVICE(MEI_DEV_ID_ADP_N, MEI_ME_PCH15_CFG)},
 
-	{MEI_PCI_DEVICE(MEI_DEV_ID_RPL_S, MEI_ME_PCH15_CFG)},
+	{MEI_PCI_DEVICE(MEI_DEV_ID_RPL_S, MEI_ME_PCH15_SPS_CFG)},
 
 	{MEI_PCI_DEVICE(MEI_DEV_ID_MTL_M, MEI_ME_PCH15_CFG)},
 	{MEI_PCI_DEVICE(MEI_DEV_ID_ARL_S, MEI_ME_PCH15_CFG)},
 	{MEI_PCI_DEVICE(MEI_DEV_ID_ARL_H, MEI_ME_PCH15_CFG)},
 
+	{MEI_PCI_DEVICE(MEI_DEV_ID_LNL_M, MEI_ME_PCH15_CFG)},
+
 	/* required last entry */
 	{0, }
 };
diff --git a/drivers/misc/mei/platform-vsc.c b/drivers/misc/mei/platform-vsc.c
index 6c9f00bcb94b..b543e6b9f3cf 100644
--- a/drivers/misc/mei/platform-vsc.c
+++ b/drivers/misc/mei/platform-vsc.c
@@ -400,25 +400,40 @@ static void mei_vsc_remove(struct platform_device *pdev)
 static int mei_vsc_suspend(struct device *dev)
 {
 	struct mei_device *mei_dev = dev_get_drvdata(dev);
+	struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);
 
 	mei_stop(mei_dev);
 
+	mei_disable_interrupts(mei_dev);
+
+	vsc_tp_free_irq(hw->tp);
+
 	return 0;
 }
 
 static int mei_vsc_resume(struct device *dev)
 {
 	struct mei_device *mei_dev = dev_get_drvdata(dev);
+	struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);
 	int ret;
 
-	ret = mei_restart(mei_dev);
+	ret = vsc_tp_request_irq(hw->tp);
 	if (ret)
 		return ret;
 
+	ret = mei_restart(mei_dev);
+	if (ret)
+		goto err_free;
+
 	/* start timer if stopped in suspend */
 	schedule_delayed_work(&mei_dev->timer_work, HZ);
 
 	return 0;
+
+err_free:
+	vsc_tp_free_irq(hw->tp);
+
+	return ret;
 }
 
 static DEFINE_SIMPLE_DEV_PM_OPS(mei_vsc_pm_ops, mei_vsc_suspend, mei_vsc_resume);
diff --git a/drivers/misc/mei/pxp/mei_pxp.c b/drivers/misc/mei/pxp/mei_pxp.c
index b1e4c23b31a3..49abc95677cd 100644
--- a/drivers/misc/mei/pxp/mei_pxp.c
+++ b/drivers/misc/mei/pxp/mei_pxp.c
@@ -236,8 +236,11 @@ static int mei_pxp_component_match(struct device *dev, int subcomponent,
 
 	pdev = to_pci_dev(dev);
 
-	if (pdev->class != (PCI_CLASS_DISPLAY_VGA << 8) ||
-	    pdev->vendor != PCI_VENDOR_ID_INTEL)
+	if (pdev->vendor != PCI_VENDOR_ID_INTEL)
+		return 0;
+
+	if (pdev->class != (PCI_CLASS_DISPLAY_VGA << 8) &&
+	    pdev->class != (PCI_CLASS_DISPLAY_OTHER << 8))
 		return 0;
 
 	if (subcomponent != I915_COMPONENT_PXP)
diff --git a/drivers/misc/mei/vsc-tp.c b/drivers/misc/mei/vsc-tp.c
index ecfb70cd057c..e6a98dba8a73 100644
--- a/drivers/misc/mei/vsc-tp.c
+++ b/drivers/misc/mei/vsc-tp.c
@@ -94,6 +94,27 @@ static const struct acpi_gpio_mapping vsc_tp_acpi_gpios[] = {
 	{}
 };
 
+static irqreturn_t vsc_tp_isr(int irq, void *data)
+{
+	struct vsc_tp *tp = data;
+
+	atomic_inc(&tp->assert_cnt);
+
+	wake_up(&tp->xfer_wait);
+
+	return IRQ_WAKE_THREAD;
+}
+
+static irqreturn_t vsc_tp_thread_isr(int irq, void *data)
+{
+	struct vsc_tp *tp = data;
+
+	if (tp->event_notify)
+		tp->event_notify(tp->event_notify_context);
+
+	return IRQ_HANDLED;
+}
+
 /* wakeup firmware and wait for response */
 static int vsc_tp_wakeup_request(struct vsc_tp *tp)
 {
@@ -384,6 +405,37 @@ int vsc_tp_register_event_cb(struct vsc_tp *tp, vsc_tp_event_cb_t event_cb,
 EXPORT_SYMBOL_NS_GPL(vsc_tp_register_event_cb, VSC_TP);
 
 /**
+ * vsc_tp_request_irq - request irq for vsc_tp device
+ * @tp: vsc_tp device handle
+ */
+int vsc_tp_request_irq(struct vsc_tp *tp)
+{
+	struct spi_device *spi = tp->spi;
+	struct device *dev = &spi->dev;
+	int ret;
+
+	irq_set_status_flags(spi->irq, IRQ_DISABLE_UNLAZY);
+	ret = request_threaded_irq(spi->irq, vsc_tp_isr, vsc_tp_thread_isr,
+				   IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+				   dev_name(dev), tp);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(vsc_tp_request_irq, VSC_TP);
+
+/**
+ * vsc_tp_free_irq - free irq for vsc_tp device
+ * @tp: vsc_tp device handle
+ */
+void vsc_tp_free_irq(struct vsc_tp *tp)
+{
+	free_irq(tp->spi->irq, tp);
+}
+EXPORT_SYMBOL_NS_GPL(vsc_tp_free_irq, VSC_TP);
+
+/**
  * vsc_tp_intr_synchronize - synchronize vsc_tp interrupt
  * @tp: vsc_tp device handle
  */
@@ -413,27 +465,6 @@ void vsc_tp_intr_disable(struct vsc_tp *tp)
 }
 EXPORT_SYMBOL_NS_GPL(vsc_tp_intr_disable, VSC_TP);
 
-static irqreturn_t vsc_tp_isr(int irq, void *data)
-{
-	struct vsc_tp *tp = data;
-
-	atomic_inc(&tp->assert_cnt);
-
-	return IRQ_WAKE_THREAD;
-}
-
-static irqreturn_t vsc_tp_thread_isr(int irq, void *data)
-{
-	struct vsc_tp *tp = data;
-
-	wake_up(&tp->xfer_wait);
-
-	if (tp->event_notify)
-		tp->event_notify(tp->event_notify_context);
-
-	return IRQ_HANDLED;
-}
-
 static int vsc_tp_match_any(struct acpi_device *adev, void *data)
 {
 	struct acpi_device **__adev = data;
@@ -490,10 +521,9 @@ static int vsc_tp_probe(struct spi_device *spi)
 	tp->spi = spi;
 
 	irq_set_status_flags(spi->irq, IRQ_DISABLE_UNLAZY);
-	ret = devm_request_threaded_irq(dev, spi->irq, vsc_tp_isr,
-					vsc_tp_thread_isr,
-					IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-					dev_name(dev), tp);
+	ret = request_threaded_irq(spi->irq, vsc_tp_isr, vsc_tp_thread_isr,
+				   IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+				   dev_name(dev), tp);
 	if (ret)
 		return ret;
 
@@ -522,6 +552,8 @@ static int vsc_tp_probe(struct spi_device *spi)
 err_destroy_lock:
 	mutex_destroy(&tp->mutex);
 
+	free_irq(spi->irq, tp);
+
 	return ret;
 }
 
@@ -532,6 +564,8 @@ static void vsc_tp_remove(struct spi_device *spi)
 	platform_device_unregister(tp->pdev);
 
 	mutex_destroy(&tp->mutex);
+
+	free_irq(spi->irq, tp);
 }
 
 static const struct acpi_device_id vsc_tp_acpi_ids[] = {
diff --git a/drivers/misc/mei/vsc-tp.h b/drivers/misc/mei/vsc-tp.h
index f9513ddc3e40..14ca195cbddc 100644
--- a/drivers/misc/mei/vsc-tp.h
+++ b/drivers/misc/mei/vsc-tp.h
@@ -37,6 +37,9 @@ int vsc_tp_xfer(struct vsc_tp *tp, u8 cmd, const void *obuf, size_t olen,
 int vsc_tp_register_event_cb(struct vsc_tp *tp, vsc_tp_event_cb_t event_cb,
 			     void *context);
 
+int vsc_tp_request_irq(struct vsc_tp *tp);
+void vsc_tp_free_irq(struct vsc_tp *tp);
+
 void vsc_tp_intr_enable(struct vsc_tp *tp);
 void vsc_tp_intr_disable(struct vsc_tp *tp);
 void vsc_tp_intr_synchronize(struct vsc_tp *tp);