mei: txe: fix initialization order

The mei_register() should move before the mei_start() for hook
on class device to work.
Same change was implemented in mei-me, missed from mei-txe.

Fixes: 7704e6b ("mei: hook mei_device on class device")
Signed-off-by: Alexander Usyskin <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: ausyskin

drivers/misc/mei/pci-txe.c

@@ -109,19 +109,19 @@ static int mei_txe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		goto end;
 	}
 
+	err = mei_register(dev, &pdev->dev);
+	if (err)
+		goto release_irq;
+
 	if (mei_start(dev)) {
 		dev_err(&pdev->dev, "init hw failure.\n");
 		err = -ENODEV;
-		goto release_irq;
+		goto deregister;
 	}
 
 	pm_runtime_set_autosuspend_delay(&pdev->dev, MEI_TXI_RPM_TIMEOUT);
 	pm_runtime_use_autosuspend(&pdev->dev);
 
-	err = mei_register(dev, &pdev->dev);
-	if (err)
-		goto stop;
-
 	pci_set_drvdata(pdev, dev);
 
 	/*
@@ -144,8 +144,8 @@ static int mei_txe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	return 0;
 
-stop:
-	mei_stop(dev);
+deregister:
+	mei_deregister(dev);
 release_irq:
 	mei_cancel_work(dev);
 	mei_disable_interrupts(dev);