Re: [PATCH] Fix __ucmpdi2 in v4l2_norm_to_name()

From: Andrew Morton
Date: Thu Jan 04 2007 - 18:19:16 EST


On Thu, 04 Jan 2007 20:59:08 -0200
Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx> wrote:

> > The largest value we use here is 0x02000000. Perhaps v4l2_std_id shouldn't
> > be 64-bit?
> Too late to change it to 32 bits. It is at V4L2 userspace API since
> kernel 2.6.0.

You could perhaps make it 32-bit internally, and still 64-bit on the
kernel<->userspace boundary. 64-bit quantities are expensive..

> We can, however use this approach as a workaround, with
> the proper documentation. I'll handle it after I return from vacations
> next week.

Thanks.
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