Re: [PATCH 0/15] Add support for OLPC XO 1.75 Embedded Controller
From: Lubomir Rintel
Date: Tue Oct 23 2018 - 13:03:41 EST
On Fri, 2018-10-19 at 16:57 +0300, Andy Shevchenko wrote:
> On Wed, Oct 10, 2018 at 8:23 PM Lubomir Rintel <lkundrak@xxxxx> wrote:
> > Hi.
> > This patchset adds support for the Embedded Controller on an OLPC XO
> > 1.75 machine. OLPC XO 1.75 is a MMP2 based ARM laptop. It plugs into
> > the existing OLPC platform infrastructure, currently used by the x86
> > based models.
> > The EC operates in SPI master mode, meaning the SOC is the SPI slave. It
> > uses extra handshake signal to signal readiness of SOC to accept data
> > from EC and to initiate a transaction if SOC wishes to submit data.
> > The SPI slave support for MMP2 was submitted separately:
> > https://lore.kernel.org/lkml/20181010170936.316862-1-lkundrak@xxxxx/T/#t
> > THe "power: supply: olpc_battery: correct the temperature" patch was
> > already sent out separately, but I'm including it because the last
> > commit of the set depends on it.
> > Tested to work on an OLPC XO 1.75 and also tested not to break x86
> > support with an OLPC XO 1 machine. I don't have a XO 1.5, but it's
> > unlikely this breaks it when XO 1 works.
> > Thanks in advance for reviews and feedback of any kind.
> Thanks for the series.
> I'm about to review the patch 6, otherwise read my comments for the
> rest and consider addressing them.
Thank you very much for your feedback, it is very appreciated.
The XO 1.75 patch set has grown somewhat larger than I'm comfortable
with, so I need some time to digest and address the review. I hope I'll
be able to post a v2 some time after the 4.20 merge window closes and
respond to questions raised in individual patches before that.
> > Lubo