[PATCH] PXA DMA-capable PATA driver

[Marek Vasut]

Dne Čt 20. května 2010 10:48:51 Tejun Heo napsal(a):
> On 05/18/2010 12:53 AM, Marek Vasut wrote:
> > 4766 /**
> > 4767  *      atapi_check_dma - Check whether ATAPI DMA can be supported
> > 4768  *      @qc: Metadata associated with taskfile to check
> > 4769  *
> > 4770  *      Allow low-level driver to filter ATA PACKET commands,
> > returning 4771  *      a status indicating whether or not it is OK to
> > use DMA for the 4772  *      supplied PACKET command.
> > 4773  *
> > 4774  *      LOCKING:
> > 4775  *      spin_lock_irqsave(host lock)
> > 4776  *
> > 4777  *      RETURNS: 0 when ATAPI DMA can be used
> > 4778  *               nonzero otherwise
> > 4779  */
> > 
> > this is from libata-core.c FYI and -EOPNOTSUPP is non-zero.
> 
> Argh... that method needs to be changed to return bool.

That'd make sense.