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path: root/drivers/usb/storage/uas.c
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Diffstat (limited to 'drivers/usb/storage/uas.c')
-rw-r--r--drivers/usb/storage/uas.c20
1 files changed, 0 insertions, 20 deletions
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index bf80d6f81f58..34538253f12c 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -789,30 +789,10 @@ static int uas_slave_alloc(struct scsi_device *sdev)
{
struct uas_dev_info *devinfo =
(struct uas_dev_info *)sdev->host->hostdata;
- int maxp;
sdev->hostdata = devinfo;
/*
- * We have two requirements here. We must satisfy the requirements
- * of the physical HC and the demands of the protocol, as we
- * definitely want no additional memory allocation in this path
- * ruling out using bounce buffers.
- *
- * For a transmission on USB to continue we must never send
- * a package that is smaller than maxpacket. Hence the length of each
- * scatterlist element except the last must be divisible by the
- * Bulk maxpacket value.
- * If the HC does not ensure that through SG,
- * the upper layer must do that. We must assume nothing
- * about the capabilities off the HC, so we use the most
- * pessimistic requirement.
- */
-
- maxp = usb_maxpacket(devinfo->udev, devinfo->data_in_pipe, 0);
- blk_queue_virt_boundary(sdev->request_queue, maxp - 1);
-
- /*
* The protocol has no requirements on alignment in the strict sense.
* Controllers may or may not have alignment restrictions.
* As this is not exported, we use an extremely conservative guess.