linux-kernel - Re: [PATCH v1 1/5] PCI: PM: x86: Drop Intel MID PCI PM support

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Date:   Sun, 19 Sep 2021 23:31:23 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:     Linux ACPI <linux-acpi@...r.kernel.org>,
        Linux PCI <linux-pci@...r.kernel.org>,
        x86 Maintainers <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Bjorn Helgaas <helgaas@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Len Brown <len.brown@...el.com>
Subject: Re: [PATCH v1 1/5] PCI: PM: x86: Drop Intel MID PCI PM support

On Sun, Sep 19, 2021 at 9:01 AM Rafael J. Wysocki <rjw@...ysocki.net> wrote:
>
> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
>
> Support for Intel MID platforms has mostly gone away with the SFI
> support removal in commit 4590d98f5a4f ("sfi: Remove framework for
> deprecated firmware"), but there are some pieces of it still in the
> tree.  One of them is the MID PCI PM support code which gets in the
> way of subsequent PCI PM simplifications and trying to update it is
> rather pointless, so get rid of it completely along with the arch
> code pieces that are only used by it.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> ---
>
> I am going to post patches removing the rest of MID support from arch/x86/
> and elsewhere, but that is still quite a bit of stuff and I don't want this
> simple PCI PM series to depend on that work.

This is still being used by MID with ACPI assisted (*) support.
Hence, not ack.

*) ACPI layer is provided by U-Boot and can't fulfill all possible
features that ACPI may use in the Linux kernel.

-- 
With Best Regards,
Andy Shevchenko