Subject: Re: [PATCH v7 6/6] PCI: Make use of pci_resource_n()

From: Andy Shevchenko <[email-masked]>
Date: Fri, 24 Mar 2023 11:20:54 +0200

On Fri, Mar 24, 2023 at 10:08:39AM +0100, Philippe Mathieu-Daudé wrote:
> On 23/3/23 18:36, Andy Shevchenko wrote:
> > Replace open-coded implementations of pci_resource_n() in pci.h.

...

> >   #define pci_resource_n(dev, bar)	(&(dev)->resource[(bar)])
> > -#define pci_resource_start(dev, bar)	((dev)->resource[(bar)].start)
> > -#define pci_resource_end(dev, bar)	((dev)->resource[(bar)].end)
> > -#define pci_resource_flags(dev, bar)	((dev)->resource[(bar)].flags)
> > -#define pci_resource_len(dev,bar) \
> > -	((pci_resource_end((dev), (bar)) == 0) ? 0 :	\
> > -							\
> > -	 (pci_resource_end((dev), (bar)) -		\
> > -	  pci_resource_start((dev), (bar)) + 1))
> > +#define pci_resource_start(dev, bar)	(pci_resource_n(dev, bar)->start)
> > +#define pci_resource_end(dev, bar)	(pci_resource_n(dev, bar)->end)
> > +#define pci_resource_flags(dev, bar)	(pci_resource_n(dev, bar)->flags)
> > +#define pci_resource_len(dev,bar)					\
> > +	(pci_resource_end((dev), (bar)) ? 				\
> > +	 resource_size(pci_resource_n((dev), (bar))) : 0)
> 
> Seems (to me) more logical to have this patch as "PCI: Introduce
> pci_resource_n()" ordered before your patch #2 "PCI: Introduce
> pci_dev_for_each_resource()".

Either way works for me. Bjorn, what do you like?

> Here as #6 or as #2:
> Reviewed-by: Philippe Mathieu-Daudé <[email-masked]>

Thank you!

-- 
With Best Regards,
Andy Shevchenko