linux-kernel - Re: [PATCH V8 2/5] mfd: Intel Platform Monitoring Technology support

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Date:   Thu, 8 Oct 2020 08:32:14 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     "David E. Box" <david.e.box@...ux.intel.com>
Cc:     dvhart@...radead.org, andy@...radead.org, bhelgaas@...gle.com,
        hdegoede@...hat.com, alexey.budankov@...ux.intel.com,
        linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org,
        linux-pci@...r.kernel.org,
        Alexander Duyck <alexander.h.duyck@...ux.intel.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH V8 2/5] mfd: Intel Platform Monitoring Technology support

On Wed, 07 Oct 2020, David E. Box wrote:

> On Wed, 2020-10-07 at 07:57 +0100, Lee Jones wrote:
> > On Fri, 02 Oct 2020, David E. Box wrote:
> > 
> > > Intel Platform Monitoring Technology (PMT) is an architecture for
> > > enumerating and accessing hardware monitoring facilities. PMT
> > > supports
> > > multiple types of monitoring capabilities. This driver creates
> > > platform
> > > devices for each type so that they may be managed by capability
> > > specific
> > > drivers (to be introduced). Capabilities are discovered using PCIe
> > > DVSEC
> > > ids. Support is included for the 3 current capability types,
> > > Telemetry,
> > > Watcher, and Crashlog. The features are available on new Intel
> > > platforms
> > > starting from Tiger Lake for which support is added. This patch
> > > adds
> > > support for Tiger Lake (TGL), Alder Lake (ADL), and Out-of-Band
> > > Management
> > > Services Module (OOBMSM).
> > > 
> > > Also add a quirk mechanism for several early hardware differences
> > > and bugs.
> > > For Tiger Lake and Alder Lake, do not support Watcher and Crashlog
> > > capabilities since they will not be compatible with future product.
> > > Also,
> > > fix use a quirk to fix the discovery table offset.
> > > 
> > > Co-developed-by: Alexander Duyck <alexander.h.duyck@...ux.intel.com
> > > >
> > > Signed-off-by: Alexander Duyck <alexander.h.duyck@...ux.intel.com>
> > > Signed-off-by: David E. Box <david.e.box@...ux.intel.com>
> > > Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
> > > ---
> > >  MAINTAINERS             |   5 +
> > >  drivers/mfd/Kconfig     |  10 ++
> > >  drivers/mfd/Makefile    |   1 +
> > >  drivers/mfd/intel_pmt.c | 226
> > > ++++++++++++++++++++++++++++++++++++++++
> > >  4 files changed, 242 insertions(+)
> > >  create mode 100644 drivers/mfd/intel_pmt.c
> > 
> > I Acked this back in August.
> > 
> > Any reason why you didn't carry it forward?
> 
> So that you could review changes made after the Ack.
> Please let me know if this is not preferred. Thanks.

No, that is the correct way to do things (see below).

> You did and you requested fixups which were made.

Keeping the status of each and every patch-set currently in my inbox
would be a very difficult task.

This is why I recommend patch-level changelogs (just below the '---'
marker).

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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