Laurent,
On Mon, 2014-02-10 at 15:13 +0100, Laurent Pinchart wrote:
> On Sunday 09 February 2014 16:09:37 Paul Bolle wrote:
> > Commit d632dfefd36f ("[media] v4l: omap4iss: Add support for OMAP4
> > camera interface - Build system") added a Kconfig entry for
> > VIDEO_OMAP4_DEBUG. But nothing uses that symbol.
> >
> > This entry was apparently copied from a similar entry for "OMAP 3
> > Camera debug messages". But a corresponding Makefile line is missing.
> > Besides, the debug code also depends on a mysterious ISS_ISR_DEBUG
> > macro. This Kconfig entry can be removed.
>
> What about adding the associated Makefile line instead to #define DEBUG when
> VIDEO_OMAP4_DEBUG is selected, as with the OMAP3 ISP driver ?
>
> > Someone familiar with the code might be able to say what to do with the
> > code depending on the DEBUG and ISS_ISR_DEBUG macros.
>
> ISS_ISR_DEBUG is expected to be set by manually modifying the source code, as
> it prints lots of messages in interrupt context.
Which renders the DEBUG macro pointless. Or does the code use some
dev_dbg()-like magic, which is only triggered if the DEBUG macro is set?
Thanks,
Paul Bolle
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