Merge 5.4-rc6 into usb-next

We need the USB fixes in here to build on top of.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2 files changed, 0 insertions, 30 deletions

diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index 4c0c247e4101..66a4dcbbb1fc 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -68,7 +68,6 @@ static const char* host_info(struct Scsi_Host *host)
 static int slave_alloc (struct scsi_device *sdev)
 {
 	struct us_data *us = host_to_us(sdev->host);
-	int maxp;
 
 	/*
 	 * Set the INQUIRY transfer length to 36.  We don't use any of
@@ -78,15 +77,6 @@ static int slave_alloc (struct scsi_device *sdev)
 	sdev->inquiry_len = 36;
 
 	/*
-	 * USB has unusual scatter-gather requirements: the length of each
-	 * scatterlist element except the last must be divisible by the
-	 * Bulk maxpacket value.  Fortunately this value is always a
-	 * power of 2.  Inform the block layer about this requirement.
-	 */
-	maxp = usb_maxpacket(us->pusb_dev, us->recv_bulk_pipe, 0);
-	blk_queue_virt_boundary(sdev->request_queue, maxp - 1);
-
-	/*
 	 * Some host controllers may have alignment requirements.
 	 * We'll play it safe by requiring 512-byte alignment always.
 	 */
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.