Messages in this thread | | | Date | Thu, 27 Jan 2022 19:25:55 +0000 | From | Prashant Malani <> | Subject | Re: [PATCH v2 2/2] platform/chrome: cros_ec_lpcs: reserve the MEC LPC I/O ports first |
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+Aseda,
On Jan 27 13:18, Dustin Howett wrote: > On Thu, Jan 27, 2022 at 12:55 PM Prashant Malani <pmalani@chromium.org> wrote: > > > > Hi Dustin, > > > > I can't find this update in the EC code base [1]. Is there any reason > > you are not adding this, or is the change in flight (or in some other > > location)? > > > > [1] https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/main/include/ec_commands.h > > > > Hey Prashant, > > The host communication adapters in the EC repo don't support the MEC > protocol at all, > so it did not seem necessary to bring these changes over. I'd be happy What source do Framework laptop ECs (MECs?) compile their EC firmware from?
> to do so, of > course, if that is desirable. > > My understanding (well, my guess) is that protocol support was never > added because > it is already implemented here in cros_ec_lpcs. Userland I/O port > access is(?) less desirable > than having this driver handle it. Yeah, I wasn't thinking about userland i/o port access, but just having this behaviour/different I/O port mapping described in the EC code base too.
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