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SubjectRe: [PATCH v6 00/12] platform/x86: introduce p2sb_bar() helper
Am Wed, 29 Jun 2022 19:39:58 +0300
schrieb Andy Shevchenko <andriy.shevchenko@linux.intel.com>:

> +Cc: Rafael
>
> On Tue, Jun 21, 2022 at 02:58:16PM +0300, Andy Shevchenko wrote:
> > On Wed, Jun 08, 2022 at 12:50:44PM +0200, Andy Shevchenko wrote:
> > > On Wed, Jun 8, 2022 at 9:42 AM Lee Jones <lee.jones@linaro.org>
> > > wrote:
> > > > On Mon, 06 Jun 2022, Andy Shevchenko wrote:
> > > >
> > > > > There are a few users that would like to utilize P2SB
> > > > > mechanism of hiding and unhiding a device from the PCI
> > > > > configuration space.
> > > > >
> > > > > Here is the series to consolidate p2sb handling code for
> > > > > existing users and to provide a generic way for new comer(s).
> > > > >
> > > > > It also includes a patch to enable GPIO controllers on Apollo
> > > > > Lake when it's used with ABL bootloader w/o ACPI support.
> > > > >
> > > > > The patch that brings the helper ("platform/x86/intel: Add
> > > > > Primary to Sideband (P2SB) bridge support") has a commit
> > > > > message that sheds a light on what the P2SB is and why this
> > > > > is needed.
> > > > >
> > > > > I have tested this on Apollo Lake platform (I'm able to see
> > > > > SPI NOR and since we have an ACPI device for GPIO I do not
> > > > > see any attempts to recreate one).
> > > > >
> > > > > The series is ready to be merged via MFD tree, but see below.
> > > > >
> > > > > The series also includes updates for Simatic IPC drivers that
> > > > > partially tagged by respective maintainers (the main question
> > > > > is if Pavel is okay with the last three patches, since I
> > > > > believe Hans is okay with removing some code under PDx86).
> > > > > Hence the first 8 patches can be merged right away and the
> > > > > rest when Pavel does his review.
> > > >
> > > > Can we just wait for Pavel's review, then merge them all at
> > > > once?
> > >
> > > Sure, it would be the best course of action.
> >
> > Pavel, do you have a chance to review the patches (last three) that
> > touch LED drivers? What would be your verdict?
>
> Lee, Rafael,
>
> It seems quite hard to get Pavel's attention to this series [1]. It's
> already passed more than 3 weeks for any sign of review of three top
> patches of the series that touched LED subsystem. The entire series
> has all necessary tags, but for LED changes.
>
> Note, that the top of this series is not done by me and was sent for
> preliminary review much earlier [2], altogether it makes months of no
> response from the maintainer.
>
> The nature of patches is pretty simple and doesn't touch any of other
> than Simatic LED drivers nor LED core. Moreover, it was written by
> Siemens, who produces the H/W in question and very well tested as a
> separate change and as part of the series.

The code has been reviewed and is in fact pretty simple. The only
questionable but pragmatic change that might catch the attention of a
pedantic reviewer is that i did put the gpio implementation of the
driver under the same/existing kernel config switch.

> I think to move forward we may ask Rafael to review it on behalf of
> good maintainer and with his approval apply entire series.
>
> Thoughts?

Thanks for pushing this Andy. I was wondering how and when that story
would continue. Technically these changes should really go in one badge
or we need to find a way to separate them somehow. I would try to go
that extra mile to get out of your way. But i am kind of afraid such an
effort might also end up touching the same files and block us at the
same maintainer.

Did anyone check whether Pavel was active at all in those last months
and maybe other patches waiting for review? Hope he is fine and active
and just somehow forgot/overlooked/ignored this one.

Henning

> [1]:
> https://lore.kernel.org/all/20220606164138.66535-1-andriy.shevchenko@linux.intel.com/
> [2]:
> https://lore.kernel.org/linux-leds/20220513083652.974-1-henning.schild@siemens.com/
>

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