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Subject: Re: [PATCH v2 0/5] MFD: intel_pmt: Add general DVSEC/VSEC support
To:     "David E. Box" <david.e.box@linux.intel.com>, lee.jones@linaro.org,
        mgross@linux.intel.com, bhelgaas@google.com,
        srinivas.pandruvada@intel.com, andy.shevchenko@gmail.com
Cc:     linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org,
        linux-pci@vger.kernel.org
References: <20210817224018.1013192-1-david.e.box@linux.intel.com>
From:   Hans de Goede <hdegoede@redhat.com>
Message-ID: <21f59d91-c9b9-2a7e-e5d9-a7697979b4bf@redhat.com>
Date:   Wed, 18 Aug 2021 09:51:45 +0200
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Hi,

On 8/18/21 12:40 AM, David E. Box wrote:
> This patch enables general support for Intel defined PCIe VSEC and DVSEC
> capabilities in the Intel Platform Monitoring Technology (PMT) driver.
> Though the driver was written exclusively for PMT capabilities, newer DVSEC
> and VSEC IDs for other capabilities can exist on the same device requiring
> that the driver handle them.
> 
> This 2nd revision drops the creation of a separate OOBMSM driver. Instead,
> all cell drivers will have a dependency on CONFIG_MFD_INTEL_PMT, whether or
> not they are PMT. Changes in this patchset to the current cell drivers
> located in platform/x86 are based on Hans for-next branch where they have
> been moved to the intel/pmt subfolder.
> 
> David E. Box (5):
>   PCI: Add #defines for accessing PCIE DVSEC fields
>   MFD: intel_pmt: Support non-PMT capabilities
>   MFD: intel_pmt: Add support for PCIe VSEC structures
>   platform/x86: intel_pmt_telemetry: Ignore zero sized entries

Since this patch is pretty much a stand alone patch I've picked
this one (4/5) up now.

The rest of the patches touch both MFD and pdx86 files, so these
should be picked up by Lee. But they rely on the patch moving
the pdx86 pmt code into the drivers/platform/x86/intel/pmt dir
which is currently only available in my for-next branch.

I think it is probably best to wait for 5.15-rc1 and then Lee
can merge the rest. Here is my ack for Lee picking up
the pdx86 bits:

Acked-by: Hans de Goede <hdegoede@redhat.com>

Lee, alternatively you could also merge commit e184b1e589a7fbb80bfdd0364c11422999a17a26
from the pdx86 tree, that is only 1 commit ahead of my latest fixes
pull-req to Linus for 5.14, so in essence that is 5.14-rc? (?=5 I think)
+ just the commit which you need as base, then you could still merge
these this cycle. If you wish I can put a signed tag on that
for you (I will treat it as immutable either way).

Regards,

Hans


>   MFD: intel_pmt: Add DG2 support
> 
>  drivers/mfd/intel_pmt.c                    | 256 +++++++++++++++------
>  drivers/platform/x86/intel/pmt/class.c     |   2 +
>  drivers/platform/x86/intel/pmt/crashlog.c  |   2 +-
>  drivers/platform/x86/intel/pmt/telemetry.c |  10 +-
>  include/uapi/linux/pci_regs.h              |   4 +
>  5 files changed, 197 insertions(+), 77 deletions(-)
> 
> 
> base-commit: ca42c119fc6746e65423257e7eddf5fc9e96edc2
>