[PATCH v1 0/5] PCI: Drop duplicated tracking of a pci_dev's bound driver

Greg Kroah-Hartman gregkh at linuxfoundation.org
Fri Jul 30 15:14:55 AEST 2021


On Thu, Jul 29, 2021 at 10:37:35PM +0200, Uwe Kleine-König wrote:
> Hello,
> 
> struct pci_dev tracks the bound pci driver twice. This series is about
> removing this duplication.
> 
> The first two patches are just cleanups. The third patch introduces a
> wrapper that abstracts access to struct pci_dev->driver. In the next
> patch (hopefully) all users are converted to use the new wrapper and
> finally the fifth patch removes the duplication.
> 
> Note this series is only build tested (allmodconfig on several
> architectures).
> 
> I'm open to restructure this series if this simplifies things. E.g. the
> use of the new wrapper in drivers/pci could be squashed into the patch
> introducing the wrapper. Patch 4 could be split by maintainer tree or
> squashed into patch 3 completely.
> 
> Best regards
> Uwe
> 
> Uwe Kleine-König (5):
>   PCI: Simplify pci_device_remove()
>   PCI: Drop useless check from pci_device_probe()
>   PCI: Provide wrapper to access a pci_dev's bound driver
>   PCI: Adapt all code locations to not use struct pci_dev::driver
>     directly
>   PCI: Drop duplicated tracking of a pci_dev's bound driver

Other than my objection to patch 5/5 lack of changelog, looks sane to
me:

Acked-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>


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