[PATCHv3 4/7] gpu: host1x: Add debug support

[Joe Perches]

On Thu, 2012-12-13 at 16:04 +0200, Terje Bergstrom wrote:
> Add support for host1x debugging. Adds debugfs entries, and dumps
> channel state to UART in case of stuck job.

trivial note:

[]

> diff --git a/drivers/gpu/host1x/debug.h b/drivers/gpu/host1x/debug.h
[]
> +void host1x_debug_output(struct output *o, const char *fmt, ...);

This should be marked __printf(2, 3)
so the compiler verifies format and argument types.