linux-kernel - Re: [PATCH v5 18/19] arm64: tegra: smaug: Change clk_out

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Date:   Fri, 27 Dec 2019 13:32:47 -0800
From:   Sowjanya Komatineni <skomatineni@...dia.com>
To:     Dmitry Osipenko <digetx@...il.com>, <thierry.reding@...il.com>,
        <jonathanh@...dia.com>, <broonie@...nel.org>,
        <lgirdwood@...il.com>, <perex@...ex.cz>, <tiwai@...e.com>,
        <mperttunen@...dia.com>, <gregkh@...uxfoundation.org>,
        <sboyd@...nel.org>, <robh+dt@...nel.org>, <mark.rutland@....com>
CC:     <pdeschrijver@...dia.com>, <pgaikwad@...dia.com>,
        <spujar@...dia.com>, <josephl@...dia.com>,
        <daniel.lezcano@...aro.org>, <mmaddireddy@...dia.com>,
        <markz@...dia.com>, <devicetree@...r.kernel.org>,
        <linux-clk@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 18/19] arm64: tegra: smaug: Change clk_out_2 provider
 to pmc


On 12/22/19 2:00 PM, Dmitry Osipenko wrote:
> 21.12.2019 01:27, Sowjanya Komatineni пишет:
>> clk_out_2 is one of the clocks from Tegra PMC block and Tegra PMC
>> clocks are moved from clock driver to pmc driver with pmc as clock
>> provider and using pmc clock ids.
>>
>> This patch changes clk_out_2 provider to pmc and uses corresponding
>> pmc clock id for clk_out_2.
>>
>> Signed-off-by: Sowjanya Komatineni <skomatineni@...dia.com>
>> ---
>>   arch/arm64/boot/dts/nvidia/tegra210-smaug.dts | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
>> index 72c7a04ac1df..2faab6390552 100644
>> --- a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
>> +++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
>> @@ -1592,7 +1592,7 @@
>>   			reg = <0x1a>;
>>   			interrupt-parent = <&gpio>;
>>   			interrupts = <TEGRA_GPIO(E, 6) IRQ_TYPE_LEVEL_LOW>;
>> -			clocks = <&tegra_car TEGRA210_CLK_CLK_OUT_2>;
>> +			clocks = <&tegra_pmc TEGRA_PMC_CLK_OUT_2>;
>>   			clock-names = "mclk";
>>   
>>   			nuvoton,jkdet-enable;
>>
> Isn't "assigned-clocks" needed here?

from existing device tree and clock driver init table clk_out_2 is from 
clk_m and not using extperiph2.

So to have same clock configuration, didnt added assigned-clocks as 
default clk_out_2 parent is clk_m