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

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Message-ID: <CAOMZO5D=veSYdWbjksCk-qik3OnJ2i5Wkv8MrCZnTANibeDqLA@mail.gmail.com>
Date:	Wed, 30 Mar 2016 13:00:06 -0300
From:	Fabio Estevam <festevam@...il.com>
To:	Dong Aisheng <aisheng.dong@...escale.com>
Cc:	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 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?