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authorDmitry Torokhov <dtor@insightbb.com>2006-09-19 01:56:44 -0400
committerDmitry Torokhov <dtor@insightbb.com>2006-09-19 01:56:44 -0400
commit0612ec48762bf8712db1925b2e67246d2237ebab (patch)
tree01b0d69c9c9915015c0f23ad4263646dd5413e99 /drivers/usb/storage/scsiglue.c
parent4263cf0fac28122c8381b6f4f9441a43cd93c81f (diff)
parent47a5c6fa0e204a2b63309c648bb2fde36836c826 (diff)
downloadblackbird-op-linux-0612ec48762bf8712db1925b2e67246d2237ebab.tar.gz
blackbird-op-linux-0612ec48762bf8712db1925b2e67246d2237ebab.zip
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/usb/storage/scsiglue.c')
-rw-r--r--drivers/usb/storage/scsiglue.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index 5715291ba540..a4b7df9ff8c1 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -112,13 +112,11 @@ static int slave_configure(struct scsi_device *sdev)
if (sdev->scsi_level < SCSI_2)
sdev->scsi_level = sdev->sdev_target->scsi_level = SCSI_2;
- /* According to the technical support people at Genesys Logic,
- * devices using their chips have problems transferring more than
- * 32 KB at a time. In practice people have found that 64 KB
- * works okay and that's what Windows does. But we'll be
- * conservative; people can always use the sysfs interface to
- * increase max_sectors. */
- if (le16_to_cpu(us->pusb_dev->descriptor.idVendor) == USB_VENDOR_ID_GENESYS &&
+ /* Many devices have trouble transfering more than 32KB at a time,
+ * while others have trouble with more than 64K. At this time we
+ * are limiting both to 32K (64 sectores).
+ */
+ if ((us->flags & US_FL_MAX_SECTORS_64) &&
sdev->request_queue->max_sectors > 64)
blk_queue_max_sectors(sdev->request_queue, 64);
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