Re: [PATCH 01/64] libata: fix CFA handling in ide_timing_compute()

[Sergei Shtylyov]

Bartlomiej Zolnierkiewicz wrote:

> > > From: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
> > > Subject: [PATCH] libata: fix CFA handling in ide_timing_compute()
> > >
> > > Use standard cycle timing for CFA PIO5 and PIO6 modes.
> > >
> > > Based on commit 74638c8 for IDE subsystem.
> > >
> > > Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
> > > ---
> > >  drivers/ata/libata-core.c |   17 +++++++++++------
> > >  1 file changed, 11 insertions(+), 6 deletions(-)
> > >
> > > Index: b/drivers/ata/libata-core.c
> > > ===================================================================
> > > --- a/drivers/ata/libata-core.c
> > > +++ b/drivers/ata/libata-core.c
> > > @@ -3211,6 +3211,7 @@ const struct ata_timing *ata_timing_find
> > >  int ata_timing_compute(struct ata_device *adev, unsigned short speed,
> > >  		       struct ata_timing *t, int T, int UT)
> > >  {
> > > +	const u16 *id = adev->id;
> > >  	const struct ata_timing *s;
> > >  	struct ata_timing p;
> > >  
> > > @@ -3228,14 +3229,18 @@ int ata_timing_compute(struct ata_device
> > >  	 * PIO/MW_DMA cycle timing.
> > >  	 */
> > >  
> > > -	if (adev->id[ATA_ID_FIELD_VALID] & 2) {	/* EIDE drive */
> > > +	if (id[ATA_ID_FIELD_VALID] & 2) {	/* EIDE drive */
> > >  		memset(&p, 0, sizeof(p));
> > > +
> > >  		if (speed >= XFER_PIO_0 && speed <= XFER_SW_DMA_0) {
> > >   
> > >       
> >    BTW, shouldn't this actually be 'speed < XFER_SW_DMA_0'?
> >     
>
> Good catch, I'll fix the patch later (would you be willing to fix
> ide-timings.c side of things?).
>   

  I don't see what to fix there?..

MBR, Sergei

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