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Message-ID: <CAJZ5v0jCB79Vh7KgWL=jDCETod43DfomXR4bUzjX=UMGzH2-iQ@mail.gmail.com>
Date: Fri, 18 Aug 2023 17:47:40 +0200
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Mario Limonciello <mario.limonciello@....com>
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Mika Westerberg <mika.westerberg@...ux.intel.com>,
Bjorn Helgaas <helgaas@...nel.org>, linux-pci@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
Kuppuswamy Sathyanarayanan
<sathyanarayanan.kuppuswamy@...ux.intel.com>,
Iain Lane <iain@...ngesquash.org.uk>,
Shyam-sundar S-k <Shyam-sundar.S-k@....com>
Subject: Re: [PATCH v13 09/12] ACPI: x86: s2idle: Add a function to get
constraints for a device
On Fri, Aug 18, 2023 at 5:38 PM Rafael J. Wysocki <rafael@...nel.org> wrote:
>
> On Fri, Aug 18, 2023 at 4:04 PM Mario Limonciello
> <mario.limonciello@....com> wrote:
> >
> > On 8/18/2023 05:47, Andy Shevchenko wrote:
> > > On Fri, Aug 18, 2023 at 10:31:03AM +0200, Rafael J. Wysocki wrote:
> > >> On Fri, Aug 18, 2023 at 7:15 AM Mario Limonciello
> > >> <mario.limonciello@....com> wrote:
> > >
> > > ...
> > >
> > >>> +int acpi_get_lps0_constraint(struct device *dev)
> > >>
> > >> I think that some overhead would be reduced below if this were taking
> > >> a struct acpi_device pointer as the argument.
Besides, I don't think that the constraints should be checked directly
from pci_bridge_d3_possible().
I'd rather check them from acpi_pci_bridge_d3() which knows the ACPI
companion of the given device already and can use it directly.
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