On Thu, Jun 19, 2014 at 12:20:54PM +0530, Suman Tripathi wrote:
> +     /*
> +      * Restart the dma engine if the last cmd issued
> +      * is IDENTIFY DEVICE command
> +      */
> +     if (unlikely(ctx->last_cmd[ap->port_no] == ATA_CMD_ID_ATA))
> +             ahci_restart_engine(ap);

Is it really only for IDENTIFY?  Are other PIO commands okay?  The
previous version applied it to all PIO commands, right?

-- 
tejun
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