bus: mhi: host: pci_generic: Improve boot performance and cleanup (#410)

sgaud-quic · web-flow · commit c2ee216ae90d · 2026-04-15T17:44:31.000+05:30
bus: mhi: host: pci_generic: Improve boot performance and cleanup
diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
@@ -1392,7 +1392,7 @@ static int mhi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		goto err_unregister;
 	}
 
-	err = mhi_sync_power_up(mhi_cntrl);
+	err = mhi_async_power_up(mhi_cntrl);
 	if (err) {
 		dev_err(&pdev->dev, "failed to power up MHI controller\n");
 		goto err_unprepare;
@@ -1446,6 +1446,7 @@ static void mhi_pci_remove(struct pci_dev *pdev)
 		mhi_soc_reset(mhi_cntrl);
 
 	mhi_unregister_controller(mhi_cntrl);
+	pm_runtime_forbid(&pdev->dev);
 }
 
 static void mhi_pci_shutdown(struct pci_dev *pdev)

Original file line number	Diff line number	Diff line change
`@@ -1392,7 +1392,7 @@ static int mhi_pci_probe(struct pci_dev pdev, const struct pci_device_id id)`
`1392`	`1392`	`goto err_unregister;`
`1393`	`1393`	`}`
`1394`	`1394`
`1395`		`- err = mhi_sync_power_up(mhi_cntrl);`
	`1395`	`+ err = mhi_async_power_up(mhi_cntrl);`
`1396`	`1396`	`if (err) {`
`1397`	`1397`	`dev_err(&pdev->dev, "failed to power up MHI controller\n");`
`1398`	`1398`	`goto err_unprepare;`
`@@ -1446,6 +1446,7 @@ static void mhi_pci_remove(struct pci_dev *pdev)`
`1446`	`1446`	`mhi_soc_reset(mhi_cntrl);`
`1447`	`1447`
`1448`	`1448`	`mhi_unregister_controller(mhi_cntrl);`
	`1449`	`+ pm_runtime_forbid(&pdev->dev);`
`1449`	`1450`	`}`
`1450`	`1451`
`1451`	`1452`	`static void mhi_pci_shutdown(struct pci_dev *pdev)`