From 1ff6c9c9cc66ddb4cf7ca95bea589d6a30c63623 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Thu, 17 May 2018 14:46:47 +0200 Subject: [PATCH] UAS: add support for the quirk US_FL_NO_WP_DETECT The assumption that this quirk can be limited to old storage devices was too optimistic. Signed-off-by: Oliver Neukum --- drivers/usb/storage/uas.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 6034c39b67d1..7ee67e8c1f1e 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -836,6 +836,10 @@ static int uas_slave_configure(struct scsi_device *sdev) if (devinfo->flags & US_FL_BROKEN_FUA) sdev->broken_fua = 1; + /* UAS also needs to support FL_NO_WP_DETECT */ + if (devinfo->flags & US_FL_NO_WP_DETECT) + sdev->skip_ms_page_3f = 1; + scsi_change_queue_depth(sdev, devinfo->qdepth - 2); return 0; } -- 2.13.6