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authorHans de Goede <hdegoede@redhat.com>2016-04-12 12:27:09 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-04-20 15:42:07 +0900
commitf9a6b3caddf3ab9b9b490648018c8b02de2171f2 (patch)
treea2e2cc05ea28adeffc2d215268136de6bc2073a4 /drivers/usb/storage/uas.c
parent4337f6e548c1203c626740639b6826981d26beee (diff)
USB: uas: Add a new NO_REPORT_LUNS quirk
commit 1363074667a6b7d0507527742ccd7bbed5e3ceaa upstream. Add a new NO_REPORT_LUNS quirk and set it for Seagate drives with an usb-id of: 0bc2:331a, as these will fail to respond to a REPORT_LUNS command. Reported-and-tested-by: David Webb <djw@noc.ac.uk> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/storage/uas.c')
-rw-r--r--drivers/usb/storage/uas.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 31872bcb0ad8..9baf081174ce 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -2,7 +2,7 @@
* USB Attached SCSI
* Note that this is not the same as the USB Mass Storage driver
*
- * Copyright Hans de Goede <hdegoede@redhat.com> for Red Hat, Inc. 2013 - 2014
+ * Copyright Hans de Goede <hdegoede@redhat.com> for Red Hat, Inc. 2013 - 2016
* Copyright Matthew Wilcox for Intel Corp, 2010
* Copyright Sarah Sharp for Intel Corp, 2010
*
@@ -757,6 +757,17 @@ static int uas_eh_bus_reset_handler(struct scsi_cmnd *cmnd)
return SUCCESS;
}
+static int uas_target_alloc(struct scsi_target *starget)
+{
+ struct uas_dev_info *devinfo = (struct uas_dev_info *)
+ dev_to_shost(starget->dev.parent)->hostdata;
+
+ if (devinfo->flags & US_FL_NO_REPORT_LUNS)
+ starget->no_report_luns = 1;
+
+ return 0;
+}
+
static int uas_slave_alloc(struct scsi_device *sdev)
{
struct uas_dev_info *devinfo =
@@ -807,6 +818,7 @@ static struct scsi_host_template uas_host_template = {
.module = THIS_MODULE,
.name = "uas",
.queuecommand = uas_queuecommand,
+ .target_alloc = uas_target_alloc,
.slave_alloc = uas_slave_alloc,
.slave_configure = uas_slave_configure,
.eh_abort_handler = uas_eh_abort_handler,