linux-kernel - Re: [PATCH V3 0/5] clk: support clocks which requires parent clock on during operation

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Message-ID: <CAA+hA=Rfu58OXOFqxFK0CTwBXWPwzjM2n_52rdPbZL83YmpYRQ@mail.gmail.com>
Date:	Thu, 31 Mar 2016 21:51:37 +0800
From:	Dong Aisheng <dongas86@...il.com>
To:	Fabio Estevam <festevam@...il.com>
Cc:	Dong Aisheng <aisheng.dong@...escale.com>,
	linux-clk@...r.kernel.org,
	"Ranjani.Vaidyanathan@...escale.com" 
	<Ranjani.Vaidyanathan@...escale.com>,
	Li Frank-B20596 <b20596@...escale.com>,
	Mike Turquette <mturquette@...aro.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Stephen Boyd <sboyd@...eaurora.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Jason Liu <r64343@...escale.com>,
	Anson Huang <b20788@...escale.com>,
	Dong Aisheng <b29396@...escale.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH V3 0/5] clk: support clocks which requires parent clock on
 during operation

Hi Fabio,

On Thu, Mar 31, 2016 at 12:00 AM, Fabio Estevam <festevam@...il.com> wrote:
> Hi Dong,
>
> On Tue, Jul 28, 2015 at 10:19 AM, Dong Aisheng
> <aisheng.dong@...escale.com> wrote:
>> This patch series adds support in clock framework for clocks which operations
>> requires its parent clock is on.
>>
>> Such clock type is initially met on Freescale i.MX7D platform that all clocks
>> operations, including enable/disable, rate change and re-parent, requires its
>> parent clock on. No sure if any other SoC has the similar clock type.
>>
>> Current clock core can not support such type of clock well.
>>
>> This patch introduce a new flag CLK_SET_PARENT_ON to handle this special case
>> in clock core that enable its parent clock firstly for each operation and disable
>> it later after operation complete.
>>
>> The most special case is for set_parent() operation which requires both parent,
>> old one and new one, to be enabled at the same time during the operation.
>>
>> The patch series is based on for-next branch of Michael's git:
>> git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git
>
> Do you plan to resend this series?

It is in my TODO list.
I'm currently busy with some other items.
Will be able to do it in a few days.

Regards
Dong Aisheng

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