Merging upstream version 6.7.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 15 insertions, 14 deletions

diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c
index 8bece1e2e2..0155fb66b5 100644
--- a/drivers/cxl/pci.c
+++ b/drivers/cxl/pci.c
@@ -85,25 +85,28 @@ static int cxl_pci_mbox_wait_for_doorbell(struct cxl_dev_state *cxlds)
 			    status & CXLMDEV_DEV_FATAL ? " fatal" : "",        \
 			    status & CXLMDEV_FW_HALT ? " firmware-halt" : "")
 
+/*
+ * Threaded irq dev_id's must be globally unique.  cxl_dev_id provides a unique
+ * wrapper object for each irq within the same cxlds.
+ */
 struct cxl_dev_id {
 	struct cxl_dev_state *cxlds;
 };
 
 static int cxl_request_irq(struct cxl_dev_state *cxlds, int irq,
-			   irq_handler_t handler, irq_handler_t thread_fn)
+			   irq_handler_t thread_fn)
 {
 	struct device *dev = cxlds->dev;
 	struct cxl_dev_id *dev_id;
 
-	/* dev_id must be globally unique and must contain the cxlds */
 	dev_id = devm_kzalloc(dev, sizeof(*dev_id), GFP_KERNEL);
 	if (!dev_id)
 		return -ENOMEM;
 	dev_id->cxlds = cxlds;
 
-	return devm_request_threaded_irq(dev, irq, handler, thread_fn,
-					 IRQF_SHARED | IRQF_ONESHOT,
-					 NULL, dev_id);
+	return devm_request_threaded_irq(dev, irq, NULL, thread_fn,
+					 IRQF_SHARED | IRQF_ONESHOT, NULL,
+					 dev_id);
 }
 
 static bool cxl_mbox_background_complete(struct cxl_dev_state *cxlds)
@@ -445,7 +448,7 @@ static int cxl_pci_setup_mailbox(struct cxl_memdev_state *mds)
 	if (irq < 0)
 		return 0;
 
-	if (cxl_request_irq(cxlds, irq, NULL, cxl_pci_mbox_irq))
+	if (cxl_request_irq(cxlds, irq, cxl_pci_mbox_irq))
 		return 0;
 
 	dev_dbg(cxlds->dev, "Mailbox interrupts enabled\n");
@@ -643,7 +646,7 @@ static int cxl_event_req_irq(struct cxl_dev_state *cxlds, u8 setting)
 	if (irq < 0)
 		return irq;
 
-	return cxl_request_irq(cxlds, irq, NULL, cxl_event_thread);
+	return cxl_request_irq(cxlds, irq, cxl_event_thread);
 }
 
 static int cxl_event_get_int_policy(struct cxl_memdev_state *mds,
@@ -824,16 +827,14 @@ static int cxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	 * If the component registers can't be found, the cxl_pci driver may
 	 * still be useful for management functions so don't return an error.
 	 */
-	cxlds->component_reg_phys = CXL_RESOURCE_NONE;
-	rc = cxl_pci_setup_regs(pdev, CXL_REGLOC_RBI_COMPONENT, &map);
+	rc = cxl_pci_setup_regs(pdev, CXL_REGLOC_RBI_COMPONENT,
+				&cxlds->reg_map);
 	if (rc)
 		dev_warn(&pdev->dev, "No component registers (%d)\n", rc);
-	else if (!map.component_map.ras.valid)
+	else if (!cxlds->reg_map.component_map.ras.valid)
 		dev_dbg(&pdev->dev, "RAS registers not found\n");
 
-	cxlds->component_reg_phys = map.resource;
-
-	rc = cxl_map_component_regs(&map, &cxlds->regs.component,
+	rc = cxl_map_component_regs(&cxlds->reg_map, &cxlds->regs.component,
 				    BIT(CXL_CM_CAP_CAP_ID_RAS));
 	if (rc)
 		dev_dbg(&pdev->dev, "Failed to map RAS capability.\n");
@@ -894,7 +895,7 @@ static int cxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 			break;
 		}
 
-		rc = cxl_map_pmu_regs(pdev, &pmu_regs, &map);
+		rc = cxl_map_pmu_regs(&map, &pmu_regs);
 		if (rc) {
 			dev_dbg(&pdev->dev, "Could not map PMU regs\n");
 			break;