Re: [PATCH v4 4/8] PCI: replace pci_dev::driver usage that gets the driver name

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On Tue, Sep 28, 2021 at 09:29:36PM +0200, Uwe Kleine-König wrote:
> On Tue, Sep 28, 2021 at 12:17:59PM -0500, Bjorn Helgaas wrote:
> > [+to Oliver, Russell for eeh_driver_name() question below]
> > 
> > On Mon, Sep 27, 2021 at 10:43:22PM +0200, Uwe Kleine-König wrote:
> > > From: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
> > > 
> > > struct pci_dev::driver holds (apart from a constant offset) the same
> > > data as struct pci_dev::dev->driver. With the goal to remove struct
> > > pci_dev::driver to get rid of data duplication replace getting the
> > > driver name by dev_driver_string() which implicitly makes use of struct
> > > pci_dev::dev->driver.

> > Also, would you mind using "pci_dev.driver" instead of
> > "pci_dev::driver"?  AFAIK, the "::" operator is not actually part of
> > C, so I think it's more confusing than useful.
> 
> pci_dev.driver doesn't work either in C because pci_dev is a type and
> not a variable.

Sure, "pci_dev.driver" is not strictly acceptable C unless you have a
"struct pci_dev pci_dev", but it's pretty common.



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