linux-kernel - Re: [PATCH 1/4] clk: imx6q: remove clks_init

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Message-ID: <2D554312-36F2-4781-899C-8D9F5BD20B46@nxp.com>
Date:   Sun, 3 Jun 2018 12:48:03 +0000
From:   Anson Huang <anson.huang@....com>
To:     Fabio Estevam <festevam@...il.com>
CC:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        dl-linux-imx <linux-imx@....com>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] clk: imx6q: remove clks_init_on array

Hi, Fabio

From Anson's iPhone 6


> 在 2018年6月3日，20:44，Fabio Estevam <festevam@...il.com> 写道：
> 
>> On Sun, Jun 3, 2018 at 12:00 AM, Anson Huang <Anson.Huang@....com> wrote:
>> Clock framework will enable those clocks registered
>> with CLK_IS_CRITICAL flag, so no need to have
>> clks_init_on array during clock initialization now.
>> 
>> Signed-off-by: Anson Huang <Anson.Huang@....com>
>> ---
>> drivers/clk/imx/clk-imx6q.c | 14 ++------------
>> 1 file changed, 2 insertions(+), 12 deletions(-)
>> 
>> diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c
>> index b9ea703..8754c61 100644
>> --- a/drivers/clk/imx/clk-imx6q.c
>> +++ b/drivers/clk/imx/clk-imx6q.c
>> @@ -96,12 +96,6 @@ static const char *pll7_bypass_sels[] = { "pll7", "pll7_bypass_src", };
>> static struct clk *clk[IMX6QDL_CLK_END];
>> static struct clk_onecell_data clk_data;
>> 
>> -static unsigned int const clks_init_on[] __initconst = {
>> -       IMX6QDL_CLK_MMDC_CH0_AXI,
>> -       IMX6QDL_CLK_ROM,
>> -       IMX6QDL_CLK_ARM,
> 
> IMX6QDL_CLK_ARM does not have the CLK_IS_CRITICAL flag.
> 
> Is this intended? If so, please mention in the commit log.

As I explain in previous mail, busy divider clk type already include the flag when registered.

Anson.