Re: [PATCH v4 2/5] fbdev: Replace fb_pgprotect() with pgprot_framebuffer()

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Thomas Zimmermann <tzimmermann@xxxxxxx> writes:

Hello Thomas,

> Rename the fbdev mmap helper fb_pgprotect() to pgprot_framebuffer().
> The helper sets VMA page-access flags for framebuffers in device I/O
> memory.

I think this rename makes it more clear.

> Also clean up the helper's parameters and return value. Instead of
> the VMA instance, pass the individial parameters separately: existing
> page-access flags, the VMAs start and end addresses and the offset

But I fail to see the benefit of this part. Could you please add an
explanation about why this change is desirable ?

Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat

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