diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2019-11-21 10:01:51 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-11-21 12:03:40 +0100 |
| commit | 46f4f0aabc61bfd365e1eb3c8a6d766d1a49cf32 (patch) | |
| tree | f98a256ff3e4b20ca6252f7f80ce17759e57c6f2 /drivers/usb/storage/uas.c | |
| parent | Merge tag 'kvmarm-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmar... (diff) | |
| parent | KVM: vmx: use MSR_IA32_TSX_CTRL to hard-disable TSX on guest that lack it (diff) | |
| download | linux-46f4f0aabc61bfd365e1eb3c8a6d766d1a49cf32.tar.xz linux-46f4f0aabc61bfd365e1eb3c8a6d766d1a49cf32.zip | |
Merge branch 'kvm-tsx-ctrl' into HEAD
Conflicts:
arch/x86/kvm/vmx/vmx.c
Diffstat (limited to 'drivers/usb/storage/uas.c')
| -rw-r--r-- | drivers/usb/storage/uas.c | 20 |
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. |