Re: [PATCH 1/2] staging: sm750fb: avoid conflicting vesafb

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On Mon, Jun 19, 2017 at 11:47:20PM +0300, Andy Shevchenko wrote:
> On Mon, Jun 19, 2017 at 11:32 PM, Sudip Mukherjee
> <sudipm.mukherjee@xxxxxxxxx> wrote:
> 
> 
> > +#ifdef CONFIG_X86
> > +       primary = pdev->resource[PCI_ROM_RESOURCE].flags &
> > +                                       IORESOURCE_ROM_SHADOW;
> > +#endif
> 
> Why do we need #ifdef?

It has been done in exactly the same way it is done in drm drivers.
All the drm drivers I have checked uses #ifdef.

See for example:
http://elixir.free-electrons.com/linux/v4.12-rc6/source/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c#L470

If you think #ifdef is not required, please send patch for the drm
drivers, and we follow that change here also.

> 
> In any case you may introduce a temporary variable to have pointer to resource
> 
> struct resource *res = &pdev->resource[PCI_ROM_RESOURCE];

No, we will not want to do it in a different way than the way it is done
by drm drivers.

--
Regards
Sudip
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