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

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Date:   Wed, 7 Oct 2020 07:57:51 +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 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?

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