Revert "usb-storage: fix sdev->host->dma_dev"

This reverts commit 0154012f as Hans
reports it causes problems on some systems.  Until a "real" fix for this
can be found, revert this change to get normal functionality back.

Link: https://lore.kernel.org/r/70ca74c2-4a80-e25b-eca9-a63a75516673@redhat.com
Cc: Tom Yan <tom.ty89@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/storage/scsiglue.c

@@ -92,7 +92,7 @@ static int slave_alloc (struct scsi_device *sdev)
 static int slave_configure(struct scsi_device *sdev)
 {
 	struct us_data *us = host_to_us(sdev->host);
-	struct device *dev = sdev->host->dma_dev;
+	struct device *dev = us->pusb_dev->bus->sysdev;
 
 	/*
 	 * Many devices have trouble transferring more than 32KB at a time,

drivers/usb/storage/usb.c

@@ -1049,9 +1049,8 @@ int usb_stor_probe2(struct us_data *us)
 		goto BadDevice;
 	usb_autopm_get_interface_no_resume(us->pusb_intf);
 	snprintf(us->scsi_name, sizeof(us->scsi_name), "usb-storage %s",
-					dev_name(dev));
-	result = scsi_add_host_with_dma(us_to_host(us), dev,
-					us->pusb_dev->bus->sysdev);
+					dev_name(&us->pusb_intf->dev));
+	result = scsi_add_host(us_to_host(us), dev);
 	if (result) {
 		dev_warn(dev,
 				"Unable to add the scsi host\n");