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From: Dmitry Osipenko <digetx@gmail.com>
To: Sowjanya Komatineni <skomatineni@nvidia.com>,
	thierry.reding@gmail.com, jonathanh@nvidia.com,
	broonie@kernel.org, lgirdwood@gmail.com, perex@perex.cz,
	tiwai@suse.com, mperttunen@nvidia.com,
	gregkh@linuxfoundation.org, sboyd@kernel.org, robh+dt@kernel.org,
	mark.rutland@arm.com
Cc: pdeschrijver@nvidia.com, pgaikwad@nvidia.com, spujar@nvidia.com,
	josephl@nvidia.com, daniel.lezcano@linaro.org,
	mmaddireddy@nvidia.com, markz@nvidia.com,
	devicetree@vger.kernel.org, linux-clk@vger.kernel.org,
	linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v8 22/22] clk: tegra: Remove audio clocks configuration from clock driver
Date: Fri, 24 Jan 2020 07:34:24 +0300	[thread overview]
Message-ID: <e6013c72-4ceb-aa3f-50bf-187794f85b66@gmail.com> (raw)
In-Reply-To: <f2506b91-0199-f2a5-ea8c-ace7b651b443@gmail.com>

21.01.2020 19:57, Dmitry Osipenko пишет:
> 21.01.2020 19:19, Sowjanya Komatineni пишет:
>>
>> On 1/19/20 7:04 AM, Dmitry Osipenko wrote:
>>> External email: Use caution opening links or attachments
>>>
>>>
>>> 14.01.2020 10:24, Sowjanya Komatineni пишет:
>>>
>>> [snip]
>>>
>>>> diff --git a/drivers/clk/tegra/clk-tegra30.c
>>>> b/drivers/clk/tegra/clk-tegra30.c
>>>> index 5732fdbe20db..53d1c48532ae 100644
>>>> --- a/drivers/clk/tegra/clk-tegra30.c
>>>> +++ b/drivers/clk/tegra/clk-tegra30.c
>>>> @@ -1221,9 +1221,8 @@ static struct tegra_clk_init_table init_table[]
>>>> __initdata = {
>>>>        { TEGRA30_CLK_UARTC, TEGRA30_CLK_PLL_P, 408000000, 0 },
>>>>        { TEGRA30_CLK_UARTD, TEGRA30_CLK_PLL_P, 408000000, 0 },
>>>>        { TEGRA30_CLK_UARTE, TEGRA30_CLK_PLL_P, 408000000, 0 },
>>>> -     { TEGRA30_CLK_PLL_A, TEGRA30_CLK_CLK_MAX, 564480000, 1 },
>>>> -     { TEGRA30_CLK_PLL_A_OUT0, TEGRA30_CLK_CLK_MAX, 11289600, 1 },
>>>> -     { TEGRA30_CLK_EXTERN1, TEGRA30_CLK_PLL_A_OUT0, 0, 1 },
>>>> +     { TEGRA30_CLK_PLL_A, TEGRA30_CLK_CLK_MAX, 564480000, 0 },
>>>> +     { TEGRA30_CLK_PLL_A_OUT0, TEGRA30_CLK_CLK_MAX, 11289600, 0 },
>>>>        { TEGRA30_CLK_I2S0, TEGRA30_CLK_PLL_A_OUT0, 11289600, 0 },
>>>>        { TEGRA30_CLK_I2S1, TEGRA30_CLK_PLL_A_OUT0, 11289600, 0 },
>>>>        { TEGRA30_CLK_I2S2, TEGRA30_CLK_PLL_A_OUT0, 11289600, 0 },
>>>>
>>> What about to use the assigned-clock-rates in device-tree and thus to
>>> remove those PLL_A entries?
>>
>> Yes clock rates can be used and also PLL rate is set based on sample
>> rate during hw_params. So this can be removed.
>>
>> But PLLA clock rates are not related to this patch series and also
>> changing this needs audio function testing across all platforms and
>> currently we don't have audio functional tests in place for older
>> platforms.
>>
>> All audio clocks proper fixes and cleanup b/w clock driver and audio
>> driver will be done separately.
> 
> If there are real plans to make sound driver to drive the PLLA rate,
> then indeed should be fine to keep it as-is for now.

Looking at tegra_asoc_utils_set_rate(), it already sets the PLLA rate.
Maybe those table entries are not needed already?

  reply	other threads:[~2020-01-24  4:34 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-14  7:24 [PATCH v8 00/22] Move PMC clocks into Tegra PMC driver Sowjanya Komatineni
2020-01-14  7:24 ` [PATCH v8 01/22] dt-bindings: clock: tegra: Add IDs for OSC clocks Sowjanya Komatineni
2020-01-14  7:24 ` [PATCH v8 02/22] clk: tegra: Add support for OSC_DIV fixed clocks Sowjanya Komatineni
2020-01-14  7:24 ` [PATCH v8 03/22] clk: tegra: Add Tegra OSC to clock lookup Sowjanya Komatineni
2020-01-14  7:24 ` [PATCH v8 04/22] clk: tegra: Fix Tegra PMC clock out parents Sowjanya Komatineni
2020-01-14  7:24 ` [PATCH v8 05/22] clk: tegra: Remove CLK_M_DIV fixed clocks Sowjanya Komatineni
2020-01-14  7:24 ` [PATCH v8 06/22] dt-bindings: tegra: Convert Tegra PMC bindings to YAML Sowjanya Komatineni
2020-01-14  7:24 ` [PATCH v8 07/22] dt-bindings: soc: tegra-pmc: Add Tegra PMC clock bindings Sowjanya Komatineni
2020-01-14  7:24 ` [PATCH v8 08/22] soc: tegra: Add Tegra PMC clocks registration into PMC driver Sowjanya Komatineni
2020-01-14  7:24 ` [PATCH v8 09/22] dt-bindings: soc: tegra-pmc: Add id for Tegra PMC 32KHz blink clock Sowjanya Komatineni
2020-01-14  7:24 ` [PATCH v8 10/22] soc: tegra: Add support for " Sowjanya Komatineni
2020-01-14  7:24 ` [PATCH v8 11/22] ASoC: tegra: Add fallback implementation for audio mclk Sowjanya Komatineni
2020-01-19 15:08   ` Dmitry Osipenko
2020-01-23 23:56   ` Dmitry Osipenko
2020-02-17  9:29     ` Thierry Reding
2020-02-17  9:40   ` Thierry Reding
2020-02-17 14:51     ` Dmitry Osipenko
2020-01-14  7:24 ` [PATCH v8 12/22] ASoC: tegra: Use device managed resource APIs to get the clock Sowjanya Komatineni
2020-02-17  9:48   ` Thierry Reding
2020-01-14  7:24 ` [PATCH v8 13/22] ARM: dts: tegra: Add clock-cells property to pmc Sowjanya Komatineni
2020-01-14  7:24 ` [PATCH v8 14/22] arm64: tegra: Add clock-cells property to Tegra PMC node Sowjanya Komatineni
2020-01-14  7:24 ` [PATCH v8 15/22] ARM: tegra: Update sound node clocks in device tree Sowjanya Komatineni
2020-01-14  7:24 ` [PATCH v8 16/22] arm64: tegra: smaug: Change clk_out_2 provider to pmc Sowjanya Komatineni
2020-01-14  7:24 ` [PATCH v8 17/22] ASoC: nau8825: change Tegra clk_out_2 provider to tegra_pmc Sowjanya Komatineni
2020-02-17  9:52   ` Thierry Reding
2020-01-14  7:24 ` [PATCH v8 18/22] ASoC: tegra: Add audio mclk parent configuration Sowjanya Komatineni
2020-02-17  9:53   ` Thierry Reding
2020-01-14  7:24 ` [PATCH v8 19/22] ASoC: tegra: Enable audio mclk during tegra_asoc_utils_init Sowjanya Komatineni
2020-01-19 15:14   ` Dmitry Osipenko
2020-01-20  4:10     ` Sameer Pujar
2020-01-20 15:32       ` Dmitry Osipenko
2020-02-17  9:53   ` Thierry Reding
2020-01-14  7:24 ` [PATCH v8 20/22] clk: tegra: Remove tegra_pmc_clk_init along with clk ids Sowjanya Komatineni
2020-02-17  9:55   ` Thierry Reding
2020-01-14  7:24 ` [PATCH v8 21/22] dt-bindings: clock: tegra: Remove pmc clock ids from clock dt-bindings Sowjanya Komatineni
2020-01-14  7:24 ` [PATCH v8 22/22] clk: tegra: Remove audio clocks configuration from clock driver Sowjanya Komatineni
2020-01-19 15:04   ` Dmitry Osipenko
2020-01-21 16:19     ` Sowjanya Komatineni
2020-01-21 16:57       ` Dmitry Osipenko
2020-01-24  4:34         ` Dmitry Osipenko [this message]
2020-01-24  8:50           ` Ben Dooks
2020-02-17  9:59 ` [PATCH v8 00/22] Move PMC clocks into Tegra PMC driver Thierry Reding
2020-03-04 19:26   ` Dmitry Osipenko
2020-03-04 21:22     ` Dmitry Osipenko
2020-03-25 21:27 ` Thierry Reding
2020-03-27 15:45   ` Mark Brown
2020-04-21 13:52 ` Jon Hunter

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