Re: [PATCH v7 1/5] omap3isp: Modify clocks registration to avoid circular references

From: Laurent Pinchart
Date: Tue Oct 29 2013 - 19:54:52 EST


Hi Sebastian,

On Wednesday 30 October 2013 00:28:39 Sebastian Reichel wrote:
> On Tue, Oct 29, 2013 at 11:28:37PM +0100, Laurent Pinchart wrote:
> > On Tuesday 29 October 2013 20:51:04 Sylwester Nawrocki wrote:
> > > The clock core code is going to be modified so clk_get() takes
> > > reference on the clock provider module. Until the potential circular
> > > reference issue is properly addressed, we pass NULL as as the first
> > > argument to clk_register(), in order to disallow sub-devices taking
> > > a reference on the ISP module back trough clk_get(). This should
> > > prevent locking the modules in memory.
> > >
> > > Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> > > Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
> > > Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> >
> > Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> >
> > Do you plan to push this to mainline as part of this patch series ? I
> > don't have pending patches for the omap3isp that would conflict with this
> > patch, so that would be fine with me.
>
> I plan to add support for DT to omap3isp + ADP1653 shortly. I have
> not yet started to work on this, but expect to send some first RFC
> patches in November.

That's very nice to hear ! And thanks for the heads up, I would have started
working on it shortly.

--
Regards,

Laurent Pinchart

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