linux-kernel - Re: [PATCH 5/6] PCI: qcom: Parse PERST# from all PCIe bridge nodes

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Message-ID: <CAMRc=Md+xmDg1LJ1Z-3r+5mga7sUZYN96BpJw5A3aJLDYeGZCQ@mail.gmail.com>
Date: Wed, 27 Aug 2025 21:48:55 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Manivannan Sadhasivam <mani@...nel.org>
Cc: manivannan.sadhasivam@....qualcomm.com, 
	Lorenzo Pieralisi <lpieralisi@...nel.org>, Krzysztof Wilczyński <kwilczynski@...nel.org>, 
	Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, 
	Saravana Kannan <saravanak@...gle.com>, linux-pci@...r.kernel.org, 
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	devicetree@...r.kernel.org, 
	Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>, Brian Norris <briannorris@...omium.org>
Subject: Re: [PATCH 5/6] PCI: qcom: Parse PERST# from all PCIe bridge nodes

On Wed, Aug 27, 2025 at 7:28 PM Manivannan Sadhasivam <mani@...nel.org> wrote:
>
> On Wed, Aug 27, 2025 at 06:34:38PM GMT, Bartosz Golaszewski wrote:
> > On Tue, Aug 19, 2025 at 9:15 AM Manivannan Sadhasivam via B4 Relay
> > <devnull+manivannan.sadhasivam.oss.qualcomm.com@...nel.org> wrote:
> >
> > Then maybe just use the GPIOD_FLAGS_BIT_NONEXCLUSIVE flag for now and
> > don't bail-out - it will make it easier to spot it when converting to
> > the new solution?
> >
>
> But that gives the impression that shared PERST# is supported, but in reality it
> is not.
>

Ok, nevermind then, I'll write this down as a candidate for testing
once I have the shared-gpio driver functional. What platform could I
potentially test this one BTW?

Bart