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authorLinus Walleij <linus.walleij@linaro.org>2014-03-14 10:26:45 +0100
committerLinus Walleij <linus.walleij@linaro.org>2014-03-14 10:26:45 +0100
commit9e294427f6e427dbaf46140303acded06365f53c (patch)
tree0669100cbd79fe8612463900171c98873d8dc454 /drivers/usb/storage/scsiglue.c
parent23600969ff137cf4c3bc9098f77e381de334e3f7 (diff)
parentfa389e220254c69ffae0d403eac4146171062d08 (diff)
Merge tag 'v3.14-rc6' into devel
Linux 3.14-rc6
Diffstat (limited to 'drivers/usb/storage/scsiglue.c')
-rw-r--r--drivers/usb/storage/scsiglue.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index 18509e6c21ab..9d38ddc8da49 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -78,6 +78,8 @@ 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);
+
/*
* Set the INQUIRY transfer length to 36. We don't use any of
* the extra data and many devices choke if asked for more or
@@ -102,6 +104,10 @@ static int slave_alloc (struct scsi_device *sdev)
*/
blk_queue_update_dma_alignment(sdev->request_queue, (512 - 1));
+ /* Tell the SCSI layer if we know there is more than one LUN */
+ if (us->protocol == USB_PR_BULK && us->max_lun > 0)
+ sdev->sdev_bflags |= BLIST_FORCELUN;
+
return 0;
}