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Revert "uas: fix sdev->host->dma_dev"

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This reverts commit 558033c2828f832ab3b68c6f8b8710e0de6faef0 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>
This commit is contained in:
Greg Kroah-Hartman 2020-12-04 16:00:34 +01:00
parent da881ded10
commit d5c65d32dc
1 changed files with 6 additions and 11 deletions
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17
drivers/usb/storage/uas.c
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@ -837,22 +837,17 @@ static int uas_slave_alloc(struct scsi_device *sdev)
*/
blk_queue_update_dma_alignment(sdev->request_queue, (512 - 1));
if (devinfo->flags & US_FL_MAX_SECTORS_64)
blk_queue_max_hw_sectors(sdev->request_queue, 64);
else if (devinfo->flags & US_FL_MAX_SECTORS_240)
blk_queue_max_hw_sectors(sdev->request_queue, 240);
return 0;
}
static int uas_slave_configure(struct scsi_device *sdev)
{
struct uas_dev_info *devinfo = sdev->hostdata;
struct device *dev = sdev->host->dma_dev;
if (devinfo->flags & US_FL_MAX_SECTORS_64)
blk_queue_max_hw_sectors(sdev->request_queue, 64);
else if (devinfo->flags & US_FL_MAX_SECTORS_240)
blk_queue_max_hw_sectors(sdev->request_queue, 240);
blk_queue_max_hw_sectors(sdev->request_queue,
min_t(size_t, queue_max_hw_sectors(sdev->request_queue),
dma_max_mapping_size(dev) >> SECTOR_SHIFT));
if (devinfo->flags & US_FL_NO_REPORT_OPCODES)
sdev->no_report_opcodes = 1;
@ -1038,7 +1033,7 @@ static int uas_probe(struct usb_interface *intf, const struct usb_device_id *id)
shost->can_queue = devinfo->qdepth - 2;
usb_set_intfdata(intf, shost);
result = scsi_add_host_with_dma(shost, &intf->dev, udev->bus->sysdev);
result = scsi_add_host(shost, &intf->dev);
if (result)
goto free_streams;