linux-kernel - Re: [PATCH] PCI: dwc: Provide deinit callback for i.MX

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Message-ID: <9327c1b0-514a-4985-a04e-2e8535f92578@sirena.org.uk>
Date:   Tue, 4 Jul 2023 18:20:57 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Fabio Estevam <festevam@...il.com>
Cc:     Richard Zhu <hongxing.zhu@....com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Rob Herring <robh@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, ajayagarwal@...gle.com
Subject: Re: [PATCH] PCI: dwc: Provide deinit callback for i.MX

On Tue, Jul 04, 2023 at 09:13:09AM -0300, Fabio Estevam wrote:
> On Tue, Jul 4, 2023 at 8:55 AM Mark Brown <broonie@...nel.org> wrote:

> > I have no idea about doing this, all the PCI on the board that I care
> > about seems to work fine (and worked fine even with the failure, I'm not
> > sure this is being generated by a link that's in use).

> The probe failure when link is not up happens in linux-next due to commit:

> da56a1bfbab5 ("PCI: dwc: Wait for link up only if link is started")

> Prior this commit the PCI driver probed successfully even when the
> link was down.

Ah, I see.  I don't know what's going on here enough to say if that's
good or bad but it does at least seem plausible.

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