diff options
| author |   Hans de Goede <hdegoede@redhat.com> | 2010-10-01 14:20:11 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2010-10-22 10:22:05 -0700 |
| commit | 00914025cc4e783d4703b4db1d47b41f389e50c8 (patch) | |
| tree | 0cd74cdf181c1bb3a6dbfbecea7d5e6ed8a3d028 /drivers/usb/storage/scsiglue.c | |
| parent | scsi/sd: add a no_read_capacity_16 scsi_device flag (diff) | |
| download | linux-dev-00914025cc4e783d4703b4db1d47b41f389e50c8.tar.xz linux-dev-00914025cc4e783d4703b4db1d47b41f389e50c8.zip | |
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/scsiglue.c')
| -rw-r--r-- | drivers/usb/storage/scsiglue.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index a1128ff5cc2c..a688b1e686ea 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; |