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    Subject[PATCH] libata and starting/stopping ATAPI floppy devices
    From: Ondrej Zary <linux@rainbow-software.org>

    Prevent libata from starting/stopping non-ATA devices (like ATAPI floppy
    drives) as they don't seem to like it:

    sd 1:0:1:0: [sdb] Starting disk
    ata2.01: configured for PIO2
    sd 1:0:1:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
    sd 1:0:1:0: [sdb] Sense Key : 0x2 [current]
    sd 1:0:1:0: [sdb] ASC=0x3a ASCQ=0x0

    Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
    Signed-off-by: Tejun Heo <htejun@gmail.com>
    ---
    Trimmed message body and reformatted such that it's script friendly.

    drivers/ata/libata-scsi.c | 3 ++-
    1 file changed, 2 insertions(+), 1 deletion(-)

    --- linux-2.6.23-orig/drivers/ata/libata-scsi.c 2007-10-09 22:31:38.000000000 +0200
    +++ linux-2.6.23-pentium/drivers/ata/libata-scsi.c 2008-01-05 15:50:16.000000000 +0100
    @@ -802,7 +802,8 @@

    blk_queue_max_phys_segments(sdev->request_queue, LIBATA_MAX_PRD);

    - sdev->manage_start_stop = 1;
    + if (dev->class == ATA_DEV_ATA)
    + sdev->manage_start_stop = 1;

    if (dev)
    ata_scsi_dev_config(sdev, dev);


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