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From: Mike Turquette <mturquette@linaro.org>
To: Tomasz Figa <tomasz.figa@gmail.com>,
	Doug Anderson <dianders@chromium.org>,
	Tomasz Figa <t.figa@samsung.com>,
	Kukjin Kim <kgene.kim@samsung.com>
Cc: olof@lixom.net, javier.martinez@collabora.co.uk,
	robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com,
	ijc+devicetree@hellion.org.uk, galak@codeaurora.org,
	rahul.sharma@samsung.com, shaik.ameer@samsung.com,
	arun.kk@samsung.com, alim.akhtar@samsung.com,
	a.hajda@samsung.com, linux-samsung-soc@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v3] clk: exynos5420: Remove aclk66_peric from the clock tree description
Date: Fri, 06 Jun 2014 16:41:55 -0700	[thread overview]
Message-ID: <20140606234155.10062.58609@quantum> (raw)
In-Reply-To: <5390EE97.9020702@gmail.com>

Quoting Tomasz Figa (2014-06-05 15:26:31)
> On 05.06.2014 22:35, Doug Anderson wrote:
> > The "aclk66_peric" clock is a gate clock with a whole bunch of gates
> > underneath it.  This big gate isn't very useful to include in our
> > clock tree.  If any of the children need to be turned on then the big
> > gate will need to be on anyway.  ...and there are plenty of other "big
> > gates" that aren't described in our clock tree, some of which shut off
> > collections of clocks that have no relationship in the hierarchy so
> > are hard to model.
> > 
> > "aclk66_peric" is causing earlyprintk problems since it gets disabled
> > as part of the boot process, so let's just remove it.
> > 
> > Strangely (and for no good reason) this clock is exported as part of
> > the common clock bindings.  Remove it since there are no in-kernel
> > device trees using it and no reason anyone out of tree should refer to
> > it either.
> > 
> > Signed-off-by: Doug Anderson <dianders@chromium.org>
> > ---
> > Changes in v3:
> > - Now just remove aclk66_peric from the tree as suggested by Tomasz.
> > 
> > Changes in v2:
> > - Use GATE_A and clk_get().  Save the clock for putting later.
> > - Return 0 from exynos5420_clk_late_init().
> > 
> >  drivers/clk/samsung/clk-exynos5420.c   | 85 ++++++++++++++++++++++------------
> >  include/dt-bindings/clock/exynos5420.h |  1 -
> >  2 files changed, 55 insertions(+), 31 deletions(-)
> > 
> 
> Mike, I can take this patch to my tree as a fix for 3.16-rc, or if still
> possible and you don't mind, feel free to apply it directly with my ACK:
> 
> Acked-by: Tomasz Figa <t.figa@samsung.com>

I'll send a second PR next week that includes this.

Regards,
Mike

> 
> Best regards,
> Tomasz

  reply	other threads:[~2014-06-06 23:41 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1401467562-5585-1-git-send-email-dianders@chromium.org>
2014-06-05 20:35 ` [PATCH v3] clk: exynos5420: Remove aclk66_peric from the clock tree description Doug Anderson
2014-06-05 22:26   ` Tomasz Figa
2014-06-06 23:41     ` Mike Turquette [this message]
2014-06-09 18:56       ` Doug Anderson
2014-06-06  0:03   ` Mike Turquette
2014-06-06  0:46     ` Doug Anderson
2014-06-06 22:31       ` Mike Turquette
2014-06-06 23:19         ` Doug Anderson
2014-06-30 13:48   ` Tomasz Figa

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