On Tue, 2012-01-24 at 16:44 +0100, Danny Kukawka wrote:
> Commit ba02fa37de80bea10d706f39f076dd848348320a disabled the
> venc driver registration on OMAP4. Since the driver never gets
> probed/initialised your get a dereferenceed NULL pointer if you
> try to get info from /sys/kernel/debug/omapdss/venc
>
> Return info message about disabled venc if venc_dump_regs() gets called.
>
> Signed-off-by: Danny Kukawka <danny.kuka...@bisect.de>
> ---
> drivers/video/omap2/dss/venc.c | 5 +++++
> 1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c
> index b3e9f90..82865be 100644
> --- a/drivers/video/omap2/dss/venc.c
> +++ b/drivers/video/omap2/dss/venc.c
> @@ -699,6 +699,11 @@ void venc_dump_regs(struct seq_file *s)
> {
> #define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, venc_read_reg(r))
>
> + if (cpu_is_omap44xx()) {
> + seq_printf(s, "VENC currently disabled on OMAP44xx\n");
> + return;
> + }
> +
> if (venc_runtime_get())
> return;
> Thanks. A bit hacky, but so is the whole omap4/venc problem. I'll apply to dss tree. Tomi
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