Merge branch 'v4.9-rc2-arm-configs-pata' of https://github.com/bzolnier/linux into...

Merge "IDE to PATA change in ARM defconfigs from Bartlomiej Zolnierkiewicz:

On Monday, October 31, 2016 07:14:13 PM Bartlomiej Zolnierkiewicz wrote:
> On Monday, October 31, 2016 03:46:22 PM Russell King - ARM Linux wrote:
> > On Wed, Oct 26, 2016 at 07:01:12PM +0200, Bartlomiej Zolnierkiewicz wrote:
> > > On Wednesday, July 13, 2016 04:37:31 PM Arnd Bergmann wrote:
> > > > I'd be fine with just getting a pull request with all the patches that
> > > > had no negative feedback and that were not already applied (if any).
> > >
> > > Here it is (sorry for taking so long).
> >
> > I've just been digging in the dmesg logs from when I was using the
> > Assabet+Neponset as my firewall, and it was having to use the IDE
> > ide-cs driver rather than the pata pcmcia driver.
> >
> > I don't recall whether the pata pcmcia driver was a problem or not,
> > as the PCMCIA interface can't cope with _any_ 32-bit accesses.  I
> > think PATA tries to use the "highest" possible access size by
> > default...
>
> It doesn't actually - it defaults to 16-bits for PIO data access and
> you must explicitly enable 32-bits using ATA_PFLAG_PIO32 port flag
> (pata_pcmcia doesn't set it so it should be okay).  Also taskfile
> registers are accessed using 8-bits access by default transport
> functions (which are used by pata_pcmcia).

Please also note that:

- assebet_defconfig currently doesn't even enable ide-cs
  (CONFIG_BLK_DEV_IDECS) in the mainline kernel

- neponset_defconfig doesn't even enable IDE (CONFIG_IDE)
  in the mainline kernel

so there is no risk of breaking anything..

* 'v4.9-rc2-arm-configs-pata' of https://github.com/bzolnier/linux:
  arm: spitz_defconfig: convert to use libata PATA drivers
  arm: s3c2410_defconfig: convert to use libata PATA drivers
  arm: netwinder_defconfig: convert to use libata PATA drivers
  arm: jornada720_defconfig: convert to use libata PATA drivers
  arm: ixp4xx_defconfig: convert to use libata PATA drivers
  arm: h3600_defconfig: convert to use libata PATA drivers
  arm: corgi_defconfig: convert to use libata PATA drivers
  arm: am200epdkit_defconfig: convert to use libata PATA drivers
  arm: omap1_defconfig: convert to use libata PATA drivers
  arm: collie_defconfig: convert to use libata PATA drivers
  arm: shannon_defconfig: disable IDE subsystem
  arm: mainstone_defconfig: disable IDE subsystem
  arm: lart_defconfig: disable IDE subsystem
  arm: cerfcube_defconfig: disable IDE subsystem
  arm: badge4_defconfig: disable IDE subsystem
  arm: assabet_defconfig: disable IDE subsystem