linux-kernel - Re: [PATCH] PCI: dwc: layerscape: convert to builtin_platform

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Date:   Wed, 20 Jan 2021 16:50:17 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Michael Walle <michael@...le.cc>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        PCI <linux-pci@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Minghuan Lian <minghuan.Lian@....com>,
        Mingkai Hu <mingkai.hu@....com>, Roy Zang <roy.zang@....com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Saravana Kannan <saravanak@...gle.com>
Subject: Re: [PATCH] PCI: dwc: layerscape: convert to
 builtin_platform_driver()

On Wed, Jan 20, 2021 at 08:23:59AM -0600, Rob Herring wrote:
> On Wed, Jan 20, 2021 at 4:53 AM Michael Walle <michael@...le.cc> wrote:
> >
> > fw_devlink will defer the probe until all suppliers are ready. We can't
> > use builtin_platform_driver_probe() because it doesn't retry after probe
> > deferral. Convert it to builtin_platform_driver().
> 
> If builtin_platform_driver_probe() doesn't work with fw_devlink, then
> shouldn't it be fixed or removed? Then we're not fixing drivers later
> when folks start caring about deferred probe and devlink.
> 
> I'd really prefer if we convert this to a module instead. (And all the
> other PCI host drivers.)
> 
> > Fixes: e590474768f1 ("driver core: Set fw_devlink=on by default")
> 
> This happened!?

It's in linux-next in my tree, but is looking like it might be reverted
soon.  But finding these issues is good.

thanks,

greg k-h