Re: Use of 'reserved' fields in var_screeninfo

On Mon, 14 Nov 2005, Kevin Hilman wrote:

I've got a question about the purpose of the reserved fields in the
var_screeninfo struct:

struct fb_var_screeninfo {
	[ ... ]
	__u32 reserved[5];		/* Reserved for future compatibility */
};

What are these reserved for?  Is it appropriate for drivers to use these for

They are reserved for future expansion.

additional, HW-specific values that are then made available to the VSCREENINFO
ioctls?

Not really, only for generic info that's useful for multiple drivers.
What do you want to export there?

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds


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