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From: laurent.pinchart@ideasonboard.com (Laurent Pinchart)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v7 1/5] omap3isp: Modify clocks registration to avoid circular references
Date: Wed, 30 Oct 2013 00:55:06 +0100	[thread overview]
Message-ID: <15201376.PVPE5NrGdO@avalon> (raw)
In-Reply-To: <20131029232837.GB2266@earth.universe>

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@ideasonboard.com>
> > > Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
> > > Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
> > 
> > Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> > 
> > 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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  reply	other threads:[~2013-10-29 23:55 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-29 19:51 [PATCH v7 0/5] clk: clock deregistration support Sylwester Nawrocki
2013-10-29 19:51 ` [PATCH v7 1/5] omap3isp: Modify clocks registration to avoid circular references Sylwester Nawrocki
2013-10-29 22:28   ` Laurent Pinchart
2013-10-29 23:28     ` Sebastian Reichel
2013-10-29 23:55       ` Laurent Pinchart [this message]
2013-10-29 23:57     ` Sylwester Nawrocki
2013-10-29 19:51 ` [PATCH v7 2/5] clk: Provide not locked variant of of_clk_get_from_provider() Sylwester Nawrocki
2013-10-29 19:51 ` [PATCH v7 3/5] clkdev: Fix race condition in clock lookup from device tree Sylwester Nawrocki
2013-10-29 19:51 ` [PATCH v7 4/5] clk: Add common __clk_get(), __clk_put() implementations Sylwester Nawrocki
2013-10-30  0:19   ` Russell King - ARM Linux
2013-10-29 19:51 ` [PATCH v7 5/5] clk: Implement clk_unregister() Sylwester Nawrocki
2013-10-31 18:32   ` Stephen Warren
2013-10-31 18:55     ` Sylwester Nawrocki
2013-10-31 19:07       ` Stephen Warren
2013-10-30 19:42 ` [PATCH v7 0/5] clk: clock deregistration support Mike Turquette
2013-11-01 13:56 ` Jonas Jensen
2013-11-01 16:41   ` Sylwester Nawrocki
2013-11-04  8:43     ` Jonas Jensen

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