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authorHans de Goede <hdegoede@redhat.com>2010-10-01 14:20:11 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2010-10-22 10:22:05 -0700
commit00914025cc4e783d4703b4db1d47b41f389e50c8 (patch)
tree0cd74cdf181c1bb3a6dbfbecea7d5e6ed8a3d028 /drivers/usb/storage
parent5ce524bdff367b4abda20bcfd4dafd9d30c773df (diff)
usb-storage: add new no_read_capacity_16 quirk
Some Rockbox based mp4 players will crash when ever they see a read_capacity_16 scsi command. So add a new US_FL which tells the scsi sd driver to not issue any read_capacity_16 scsi commands. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Matthew Dharm <mdharm-usb@one-eyed-alien.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/storage')
-rw-r--r--drivers/usb/storage/scsiglue.c4
-rw-r--r--drivers/usb/storage/unusual_devs.h3
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index a1128ff5cc2..a688b1e686e 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -209,6 +209,10 @@ static int slave_configure(struct scsi_device *sdev)
if (us->fflags & US_FL_CAPACITY_HEURISTICS)
sdev->guess_capacity = 1;
+ /* Some devices cannot handle READ_CAPACITY_16 */
+ if (us->fflags & US_FL_NO_READ_CAPACITY_16)
+ sdev->no_read_capacity_16 = 1;
+
/* assume SPC3 or latter devices support sense size > 18 */
if (sdev->scsi_level > SCSI_SPC_2)
us->fflags |= US_FL_SANE_SENSE;
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index c8264ff5457..6ccdd3dd525 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -877,7 +877,8 @@ UNUSUAL_DEV( 0x071b, 0x3203, 0x0000, 0x0000,
"RockChip",
"MP3",
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
- US_FL_NO_WP_DETECT | US_FL_MAX_SECTORS_64),
+ US_FL_NO_WP_DETECT | US_FL_MAX_SECTORS_64 |
+ US_FL_NO_READ_CAPACITY_16),
/* Reported by Jean-Baptiste Onofre <jb@nanthrax.net>
* Support the following product :