"Karicheri, Muralidharan" <[email protected]> writes:

> I have ported the video driver to the latest davinci git kernel and
> I have built a single uImage for DM355 and DM6446. The driver works
> fine on DM6446, but doesn't work on DM355. When I dumped the
> registers, none of them were being written. I tried writing manually
> using writel application and still I can't see the values in the
> registers. The architecture code has changed recently quite a lot. I
> have a version of the kernel that downloaded in March and this issue
> was not seen there. This is blocking my driver work and any help
> will be appreciated.

My first guess would be that your driver doesn't enable all the
relevant clocks for VPSS?

You could try without the CONFIG_DAVINCI_RESET_CLOCKS=y in
the config.

If it works with that option disabled, then your driver has a bug in
that it is not properly requesting clocks.

Kevin


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