Re: [PATCH 00/15] PCI: Convert to platform remove callback returning void

Uwe Kleine-König
2023-06-06T16:03:50Z

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Hello,

[dropped Tom Joseph and Joyce Ooi from Cc:, my last mail in this thread
resulted in a bounce for their addresses.]

On Fri, Jun 02, 2023 at 04:37:34PM -0500, Bjorn Helgaas wrote:
> On Tue, May 30, 2023 at 04:07:42PM +0200, Uwe Kleine-König wrote:
> > Hello Bjorn,
> >
> > On Tue, Mar 21, 2023 at 08:31:53PM +0100, Uwe Kleine-König wrote:
> > > this series adapts the platform drivers below drivers/pci to use the
> > > .remove_new() callback. Compared to the traditional .remove() callback
> > > .remove_new() returns no value. This is a good thing because the driver core
> > > doesn't (and cannot) cope for errors during remove. The only effect of a
> > > non-zero return value in .remove() is that the driver core emits a warning. The
> > > device is removed anyhow and an early return from .remove() usually yields a
> > > resource leak.
> > >
> > > By changing the remove callback to return void driver authors cannot
> > > reasonably assume any more that there is some kind of cleanup later.
> > >
> > > All drivers were easy to convert as they all returned zero in their
> > > remove callback. Only for iproc the conversion wasn't trivial, the other
> > > were converted using coccinelle.
> > >
> > > There are no interdependencies between these patches. So even if there
> > > are some concerns for individual patches, I ask you to apply the
> > > remaining set. Then I only have to care for the review feedback of the
> > > refused patches. (Having said that I don't expect any serious objection,
> > > just things like squashing or separating patches, or maybe I picked a
> > > wrong subject prefix.)
> >
> > These patches wait for application for quite some time now. They apply
> > just fine to v6.4-rc1 and next/master. Would be great to get them in
> > during the next merge window and ideally give them some time in next
> > before.
>
> Thanks, these seem fine to me, and Lorenzo normally takes care of
> drivers/pci/controller/. Lorenzo, if it's easier to have me apply
> them, that's fine, too, just let me know.
>
> The only tweaks I would make would be:
>
> PCI: j721e: Convert to platform remove callback returning void
> PCI: dwc: Convert to platform remove callback returning void

If it's easier for you (or Lorenzo) I can resend with these tweaks.
Otherwise if these are adapted when applying them, that's fine for me,
too. Just tell me if I should do anything here.

Best regards
Uwe

--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | https://www.pengutronix.de/ |

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