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    SubjectRe: ide-cd problem
    On Tue, Nov 23 2004, Jeff Garzik wrote:
    > Jens Axboe wrote:
    > > /* packet command */
    > >- HWIF(drive)->OUTB(WIN_PACKETCMD, IDE_COMMAND_REG);
    > >+ spin_lock_irqsave(&ide_lock, flags);
    > >+ HWIF(drive)->OUTBSYNC(drive, WIN_PACKETCMD, IDE_COMMAND_REG);
    > >+ ndelay(400);
    > >+ spin_unlock_irqrestore(&ide_lock, flags);
    > > return (*handler) (drive);
    >
    >
    > FWIW this ndelay(400) is required by the spec, when you submit a command.

    Yes, I know it isn't pulled out of thin air :)

    --
    Jens Axboe

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