staging: sep: update initialisation

In particular we want to always do the reconfigure

[This is picked out of the differences between the upstream driver and
the staging driver. I'm resolving the differences as a series of updates -AC]

Signed-off-by: Alan Cox <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/sep/sep_main.c

···
 
 	dev_dbg(&sep->pdev->dev, "sep probe: PCI obtained, "
 		"device being prepared\n");
-	dev_dbg(&sep->pdev->dev, "revision is %d\n", sep->pdev->revision);
 
 	/* Set up our register area */
 	sep->reg_physical_addr = pci_resource_start(sep->pdev, 0);
···
 		goto end_function_deallocate_sep_shared_area;
 
 	/* The new chip requires a shared area reconfigure */
-	if (sep->pdev->revision != 0) { /* Only for new chip */
-		error = sep_reconfig_shared_area(sep);
-		if (error)
-			goto end_function_free_irq;
-	}
+	error = sep_reconfig_shared_area(sep);
+	if (error)
+		goto end_function_free_irq;
 
 	sep->in_use = 1;
 
 	/* Finally magic up the device nodes */
 	/* Register driver with the fs */
 	error = sep_register_driver_with_fs(sep);
-	if (error)
-		goto end_function_free_irq;
 
+	if (error) {
+		dev_err(&sep->pdev->dev, "error registering dev file\n");
+		goto end_function_free_irq;
+	}
+
+	sep->in_use = 0; /* through touching the device */
 #ifdef SEP_ENABLE_RUNTIME_PM
 	pm_runtime_put_noidle(&sep->pdev->dev);
 	pm_runtime_allow(&sep->pdev->dev);
 	pm_runtime_set_autosuspend_delay(&sep->pdev->dev,
 		SUSPEND_DELAY);
 	pm_runtime_use_autosuspend(&sep->pdev->dev);
+	pm_runtime_mark_last_busy(&sep->pdev->dev);
 	sep->power_save_setup = 1;
 #endif
-
-	sep->in_use = 0;
-
 	/* register kernel crypto driver */
+#if defined(CONFIG_CRYPTO)
 	error = sep_crypto_setup();
 	if (error) {
-		dev_dbg(&sep->pdev->dev, "crypto setup fail\n");
+		dev_err(&sep->pdev->dev, "crypto setup failed\n");
 		goto end_function_free_irq;
 	}
-
+#endif
 	goto end_function;
 
 end_function_free_irq:
···
 
 	/* Free the shared area  */
 	sep_unmap_and_free_shared_area(sep_dev);
-	iounmap((void __iomem *)sep_dev->reg_addr);
+	iounmap(sep_dev->reg_addr);
 
 #ifdef SEP_ENABLE_RUNTIME_PM
 	if (sep->in_use) {