linux-kernel - Re: [PATCH 0/4] clk: si5351: Some fixes

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Date:	Fri, 01 May 2015 11:30:18 +0200
From:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
To:	Jean-Francois Moine <moinejf@...e.fr>
CC:	Mike Turquette <mturquette@...aro.org>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Michael Welling <mwelling@...e.org>,
	Russell King <rmk+linux@....linux.org.uk>,
	Jason Cooper <jason@...edaemon.net>,
	Andrew Lunn <andrew@...n.ch>,
	Gregory Clement <gregory.clement@...e-electrons.com>,
	devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] clk: si5351: Some fixes

On 01.05.2015 11:14, Jean-Francois Moine wrote:
> On Thu, 30 Apr 2015 19:45:50 +0200
> Sebastian Hesselbarth <sebastian.hesselbarth@...il.com> wrote:
>> For Si5351 clock driver, Michael Welling and Jean-Francois Moine reported
>> issues with recent v4.x kernels due to broken/missing/wrong parent clock
>> claming. This patch set now deals with the issues reported.
>>
>> Patch 1 amends the binding documentation mention clock-names property
>> for the "xtal" and "clkin" parent clock inputs of Si5351 variants.
>>
>> Patch 2 adds the clock-names property for the SolidRun CuBox using Si5351
>> with a fixed oscillator connected to "xtal" input.
>>
>> Patch 3 reworks the way we claim parent clocks by using devm_clk_get()
>> for both DT and platform_data based registration. Also, properly check
>> for errors returned by devm_clk_get() and prepare/enable the parent clocks.
[...]
>
> I applied the patches 2 and 3, and the audio and video in the Cubox
> work fine again. Thanks.

Ok, good. You mentioned that on v3.19-rc1 it still "works" i.e. despite
the broken/missing clk_get/clk_prepare_enable?

Can you check the stable (v3.19, v4.0) versions and see how far we
should backport the fix?

Sebastian

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