USB: Add quirk to support DJI CineSSD

This device does not correctly handle the LPM operations.

Also, the device cannot handle ATA pass-through commands
and locks up when attempted while running in super speed.

This patch adds the equivalent quirk logic as found in uas.

Signed-off-by: Tim Anderson <tsa@biglakesoftware.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 689a6c6..e77dfe5 100644 (file)
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -410,6 +410,9 @@ static const struct usb_device_id usb_quirk_list[] = {
        { USB_DEVICE(0x2040, 0x7200), .driver_info =
                        USB_QUIRK_CONFIG_INTF_STRINGS },
 
+       /* DJI CineSSD */
+       { USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM },
+
        /* INTEL VALUE SSD */
        { USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
 

diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index c267f28..e227bb5 100644 (file)
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -376,6 +376,15 @@ static int queuecommand_lck(struct scsi_cmnd *srb,
                return 0;
        }
 
+       if ((us->fflags & US_FL_NO_ATA_1X) &&
+                       (srb->cmnd[0] == ATA_12 || srb->cmnd[0] == ATA_16)) {
+               memcpy(srb->sense_buffer, usb_stor_sense_invalidCDB,
+                      sizeof(usb_stor_sense_invalidCDB));
+               srb->result = SAM_STAT_CHECK_CONDITION;
+               done(srb);
+               return 0;
+       }
+
        /* enqueue the command and wake up the control thread */
        srb->scsi_done = done;
        us->srb = srb;

diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 22fcfcc..f7f83b2 100644 (file)
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -2288,6 +2288,13 @@ UNUSUAL_DEV(  0x2735, 0x100b, 0x0000, 0x9999,
                USB_SC_DEVICE, USB_PR_DEVICE, NULL,
                US_FL_GO_SLOW ),
 
+/* Reported-by: Tim Anderson <tsa@biglakesoftware.com> */
+UNUSUAL_DEV(  0x2ca3, 0x0031, 0x0000, 0x9999,
+               "DJI",
+               "CineSSD",
+               USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+               US_FL_NO_ATA_1X),
+
 /*
  * Reported by Frederic Marchal <frederic.marchal@wowcompany.com>
  * Mio Moov 330