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From: Dmitry Osipenko <digetx@gmail.com>
To: Sowjanya Komatineni <skomatineni@nvidia.com>,
	thierry.reding@gmail.com, jonathanh@nvidia.com,
	mperttunen@nvidia.com, gregkh@linuxfoundation.org,
	sboyd@kernel.org, tglx@linutronix.de, robh+dt@kernel.org,
	mark.rutland@arm.com
Cc: allison@lohutok.net, pdeschrijver@nvidia.com,
	pgaikwad@nvidia.com, mturquette@baylibre.com,
	horms+renesas@verge.net.au, Jisheng.Zhang@synaptics.com,
	krzk@kernel.org, arnd@arndb.de, spujar@nvidia.com,
	josephl@nvidia.com, vidyas@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,
	lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz,
	tiwai@suse.com, alexios.zavras@intel.com,
	alsa-devel@alsa-project.org
Subject: Re: [PATCH v3 06/15] clk: tegra: Remove tegra_pmc_clk_init along with clk ids
Date: Sat, 7 Dec 2019 17:43:48 +0300	[thread overview]
Message-ID: <e342a6e7-f213-53b4-1388-23cf61cf6fbb@gmail.com> (raw)
In-Reply-To: <3880aa15-c47a-5ab2-dd39-e8a47f6a3d6a@gmail.com>

07.12.2019 17:33, Dmitry Osipenko пишет:
> 06.12.2019 05:48, Sowjanya Komatineni пишет:
>> Current Tegra clock driver registers PMC clocks clk_out_1, clk_out_2,
>> clk_out_3 and blink output in tegra_pmc_init() which does direct Tegra
>> PMC access during clk_ops and these PMC register read and write access
>> will not happen when PMC is in secure mode.
>>
>> Any direct PMC register access from non-secure world will not go
>> through and all the PMC clocks and blink control are done in Tegra PMC
>> driver with PMC as clock provider.
>>
>> This patch removes tegra_pmc_clk_init along with corresponding clk ids
>> from Tegra clock driver.
>>
>> Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
>> ---
> 
> [snip]
> 
>> @@ -1230,9 +1222,6 @@ static struct tegra_clk_init_table init_table[] __initdata = {
> 
>>  	{ 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 },
> 
> Perhaps these clocks do not need to be always-enabled?
> 
> [snip]
> 

Also, EXTERN1 parent configuration should be moved to the audio
driver/device-tree as well.

Maybe it even makes sense to move the whole configuration, including
PLLA. I don't see why clk driver need to do something for the audio driver.

WARNING: multiple messages have this Message-ID (diff)
From: Dmitry Osipenko <digetx@gmail.com>
To: Sowjanya Komatineni <skomatineni@nvidia.com>,
	thierry.reding@gmail.com, jonathanh@nvidia.com,
	mperttunen@nvidia.com, gregkh@linuxfoundation.org,
	sboyd@kernel.org, tglx@linutronix.de, robh+dt@kernel.org,
	mark.rutland@arm.com
Cc: alsa-devel@alsa-project.org, pgaikwad@nvidia.com,
	spujar@nvidia.com, linux-kernel@vger.kernel.org,
	josephl@nvidia.com, linux-clk@vger.kernel.org, arnd@arndb.de,
	daniel.lezcano@linaro.org, krzk@kernel.org,
	mturquette@baylibre.com, devicetree@vger.kernel.org,
	mmaddireddy@nvidia.com, markz@nvidia.com,
	alexios.zavras@intel.com, broonie@kernel.org,
	linux-tegra@vger.kernel.org, horms+renesas@verge.net.au,
	tiwai@suse.com, allison@lohutok.net, pdeschrijver@nvidia.com,
	lgirdwood@gmail.com, vidyas@nvidia.com,
	Jisheng.Zhang@synaptics.com
Subject: Re: [alsa-devel] [PATCH v3 06/15] clk: tegra: Remove tegra_pmc_clk_init along with clk ids
Date: Sat, 7 Dec 2019 17:43:48 +0300	[thread overview]
Message-ID: <e342a6e7-f213-53b4-1388-23cf61cf6fbb@gmail.com> (raw)
In-Reply-To: <3880aa15-c47a-5ab2-dd39-e8a47f6a3d6a@gmail.com>

07.12.2019 17:33, Dmitry Osipenko пишет:
> 06.12.2019 05:48, Sowjanya Komatineni пишет:
>> Current Tegra clock driver registers PMC clocks clk_out_1, clk_out_2,
>> clk_out_3 and blink output in tegra_pmc_init() which does direct Tegra
>> PMC access during clk_ops and these PMC register read and write access
>> will not happen when PMC is in secure mode.
>>
>> Any direct PMC register access from non-secure world will not go
>> through and all the PMC clocks and blink control are done in Tegra PMC
>> driver with PMC as clock provider.
>>
>> This patch removes tegra_pmc_clk_init along with corresponding clk ids
>> from Tegra clock driver.
>>
>> Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
>> ---
> 
> [snip]
> 
>> @@ -1230,9 +1222,6 @@ static struct tegra_clk_init_table init_table[] __initdata = {
> 
>>  	{ 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 },
> 
> Perhaps these clocks do not need to be always-enabled?
> 
> [snip]
> 

Also, EXTERN1 parent configuration should be moved to the audio
driver/device-tree as well.

Maybe it even makes sense to move the whole configuration, including
PLLA. I don't see why clk driver need to do something for the audio driver.
_______________________________________________
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Alsa-devel@alsa-project.org
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  reply	other threads:[~2019-12-07 14:43 UTC|newest]

Thread overview: 153+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-06  2:48 [PATCH v3 00/15] Move PMC clocks into Tegra PMC driver Sowjanya Komatineni
2019-12-06  2:48 ` [alsa-devel] " Sowjanya Komatineni
2019-12-06  2:48 ` Sowjanya Komatineni
2019-12-06  2:48 ` [PATCH v3 01/15] dt-bindings: soc: tegra-pmc: Add Tegra PMC clock bindings Sowjanya Komatineni
2019-12-06  2:48   ` [alsa-devel] " Sowjanya Komatineni
2019-12-06  2:48   ` Sowjanya Komatineni
2019-12-06 18:58   ` Michał Mirosław
2019-12-06 18:58     ` [alsa-devel] " Michał Mirosław
2019-12-06  2:48 ` [PATCH v3 02/15] dt-bindings: tegra: Convert Tegra PMC bindings to YAML Sowjanya Komatineni
2019-12-06  2:48   ` [alsa-devel] " Sowjanya Komatineni
2019-12-06  2:48   ` Sowjanya Komatineni
2019-12-06  2:48 ` [PATCH v3 03/15] soc: tegra: Add Tegra PMC clock registrations into PMC driver Sowjanya Komatineni
2019-12-06  2:48   ` [alsa-devel] " Sowjanya Komatineni
2019-12-06  2:48   ` Sowjanya Komatineni
2019-12-07 14:28   ` Dmitry Osipenko
2019-12-07 14:28     ` [alsa-devel] " Dmitry Osipenko
2019-12-07 15:47     ` Dmitry Osipenko
2019-12-07 15:47       ` [alsa-devel] " Dmitry Osipenko
2019-12-07 15:53       ` Dmitry Osipenko
2019-12-07 15:53         ` [alsa-devel] " Dmitry Osipenko
2019-12-07 16:00         ` Dmitry Osipenko
2019-12-07 16:00           ` [alsa-devel] " Dmitry Osipenko
2019-12-07 19:59           ` Sowjanya Komatineni
2019-12-07 19:59             ` Sowjanya Komatineni
2019-12-07 21:36             ` Sowjanya Komatineni
2019-12-07 21:36               ` Sowjanya Komatineni
2019-12-09 20:12               ` Dmitry Osipenko
2019-12-09 20:12                 ` [alsa-devel] " Dmitry Osipenko
2019-12-09 20:46                 ` Sowjanya Komatineni
2019-12-09 20:46                   ` Sowjanya Komatineni
2019-12-09 23:03                   ` Sowjanya Komatineni
2019-12-09 23:03                     ` Sowjanya Komatineni
2019-12-10 16:53                     ` Sowjanya Komatineni
2019-12-10 16:53                       ` Sowjanya Komatineni
2019-12-10 17:41                       ` Dmitry Osipenko
2019-12-10 17:41                         ` [alsa-devel] " Dmitry Osipenko
2019-12-11  1:06                         ` Sowjanya Komatineni
2019-12-11  1:06                           ` Sowjanya Komatineni
2019-12-11 18:50                           ` Sowjanya Komatineni
2019-12-11 18:50                             ` Sowjanya Komatineni
2019-12-12  1:39                             ` Dmitry Osipenko
2019-12-12  1:39                               ` [alsa-devel] " Dmitry Osipenko
2019-12-12  3:45                               ` Sowjanya Komatineni
2019-12-12  3:45                                 ` Sowjanya Komatineni
2019-12-12  3:54                                 ` Sowjanya Komatineni
2019-12-12  3:54                                   ` Sowjanya Komatineni
2019-12-12 22:13                                   ` Dmitry Osipenko
2019-12-12 22:13                                     ` [alsa-devel] " Dmitry Osipenko
2019-12-11 15:10                         ` Peter De Schrijver
2019-12-11 15:10                           ` [alsa-devel] " Peter De Schrijver
2019-12-11 15:10                           ` Peter De Schrijver
2019-12-12  1:43                           ` Dmitry Osipenko
2019-12-12  1:43                             ` [alsa-devel] " Dmitry Osipenko
2019-12-16 12:20                             ` Peter De Schrijver
2019-12-16 12:20                               ` [alsa-devel] " Peter De Schrijver
2019-12-16 12:20                               ` Peter De Schrijver
2019-12-16 14:23                               ` Dmitry Osipenko
2019-12-16 14:23                                 ` [alsa-devel] " Dmitry Osipenko
2019-12-16 15:11                                 ` Peter De Schrijver
2019-12-16 15:11                                   ` [alsa-devel] " Peter De Schrijver
2019-12-16 15:11                                   ` Peter De Schrijver
2019-12-16 15:24                                   ` Peter De Schrijver
2019-12-16 15:24                                     ` [alsa-devel] " Peter De Schrijver
2019-12-16 15:24                                     ` Peter De Schrijver
2019-12-16 15:49                                     ` Dmitry Osipenko
2019-12-16 15:49                                       ` [alsa-devel] " Dmitry Osipenko
2019-12-10 17:41                   ` Dmitry Osipenko
2019-12-10 17:41                     ` [alsa-devel] " Dmitry Osipenko
     [not found]                     ` <22a2f8bd-561d-f4c6-4eef-bb61095c53b2@nvidia.com>
2019-12-10 18:30                       ` Dmitry Osipenko
2019-12-10 18:30                         ` [alsa-devel] " Dmitry Osipenko
2019-12-10 19:18                         ` Sowjanya Komatineni
2019-12-10 19:18                           ` Sowjanya Komatineni
2019-12-10 20:31                           ` Dmitry Osipenko
2019-12-10 20:31                             ` [alsa-devel] " Dmitry Osipenko
2019-12-06  2:48 ` [PATCH v3 04/15] dt-bindings: soc: tegra-pmc: Add id for Tegra PMC blink control Sowjanya Komatineni
2019-12-06  2:48   ` [alsa-devel] " Sowjanya Komatineni
2019-12-06  2:48   ` Sowjanya Komatineni
2019-12-06  2:48 ` [PATCH v3 05/15] soc: pmc: Add blink output clock registration to Tegra PMC Sowjanya Komatineni
2019-12-06  2:48   ` [alsa-devel] " Sowjanya Komatineni
2019-12-06  2:48   ` Sowjanya Komatineni
2019-12-06  2:48 ` [PATCH v3 06/15] clk: tegra: Remove tegra_pmc_clk_init along with clk ids Sowjanya Komatineni
2019-12-06  2:48   ` [alsa-devel] " Sowjanya Komatineni
2019-12-06  2:48   ` Sowjanya Komatineni
2019-12-07 14:33   ` Dmitry Osipenko
2019-12-07 14:33     ` [alsa-devel] " Dmitry Osipenko
2019-12-07 14:43     ` Dmitry Osipenko [this message]
2019-12-07 14:43       ` Dmitry Osipenko
2019-12-07 15:04       ` Dmitry Osipenko
2019-12-07 15:04         ` [alsa-devel] " Dmitry Osipenko
2019-12-07 19:35         ` Sowjanya Komatineni
2019-12-07 19:35           ` Sowjanya Komatineni
2019-12-07 23:24           ` Dmitry Osipenko
2019-12-07 23:24             ` [alsa-devel] " Dmitry Osipenko
2019-12-06  2:48 ` [PATCH v3 07/15] dt-bindings: clock: tegra: Remove pmc clock ids from clock dt-bindings Sowjanya Komatineni
2019-12-06  2:48   ` [alsa-devel] " Sowjanya Komatineni
2019-12-06  2:48   ` Sowjanya Komatineni
2019-12-06  2:48 ` [PATCH v3 08/15] ASoC: tegra: Add audio mclk control through clk_out_1 and extern1 Sowjanya Komatineni
2019-12-06  2:48   ` [alsa-devel] " Sowjanya Komatineni
2019-12-06  2:48   ` Sowjanya Komatineni
2019-12-07 14:58   ` Dmitry Osipenko
2019-12-07 14:58     ` [alsa-devel] " Dmitry Osipenko
2019-12-07 19:20     ` Sowjanya Komatineni
2019-12-07 19:20       ` Sowjanya Komatineni
2019-12-09 20:06       ` Dmitry Osipenko
2019-12-09 20:06         ` [alsa-devel] " Dmitry Osipenko
2019-12-09 23:05         ` Sowjanya Komatineni
2019-12-09 23:05           ` Sowjanya Komatineni
2019-12-09 23:12           ` Dmitry Osipenko
2019-12-09 23:12             ` [alsa-devel] " Dmitry Osipenko
2019-12-10  0:54             ` Sowjanya Komatineni
2019-12-10  0:54               ` Sowjanya Komatineni
2019-12-17  1:29       ` Sowjanya Komatineni
2019-12-17  1:29         ` Sowjanya Komatineni
2019-12-17 15:36         ` Dmitry Osipenko
2019-12-17 15:36           ` [alsa-devel] " Dmitry Osipenko
2019-12-17 16:12           ` Sowjanya Komatineni
2019-12-17 16:12             ` Sowjanya Komatineni
2019-12-17 16:16             ` Dmitry Osipenko
2019-12-17 16:16               ` [alsa-devel] " Dmitry Osipenko
2019-12-17 16:39               ` Sowjanya Komatineni
2019-12-17 16:39                 ` Sowjanya Komatineni
2019-12-17 16:46                 ` Dmitry Osipenko
2019-12-17 16:46                   ` [alsa-devel] " Dmitry Osipenko
2019-12-06  2:48 ` [PATCH v3 09/15] ASoC: tegra: Add fallback for audio mclk Sowjanya Komatineni
2019-12-06  2:48   ` [alsa-devel] " Sowjanya Komatineni
2019-12-06  2:48   ` Sowjanya Komatineni
2019-12-06 17:49   ` Sowjanya Komatineni
2019-12-06 17:49     ` [alsa-devel] " Sowjanya Komatineni
2019-12-06 17:49     ` Sowjanya Komatineni
2019-12-06 17:56     ` Greg KH
2019-12-06 17:56       ` [alsa-devel] " Greg KH
2019-12-09 16:40   ` Mark Brown
2019-12-09 16:40     ` [alsa-devel] " Mark Brown
2019-12-09 20:31     ` Dmitry Osipenko
2019-12-09 20:31       ` [alsa-devel] " Dmitry Osipenko
2019-12-09 20:47       ` Mark Brown
2019-12-09 20:47         ` [alsa-devel] " Mark Brown
2019-12-10 18:24         ` Dmitry Osipenko
2019-12-10 18:24           ` [alsa-devel] " Dmitry Osipenko
2019-12-10 18:59           ` Mark Brown
2019-12-10 18:59             ` [alsa-devel] " Mark Brown
2019-12-12  2:17             ` Dmitry Osipenko
2019-12-12  2:17               ` [alsa-devel] " Dmitry Osipenko
2019-12-06  2:48 ` [PATCH v3 10/15] clk: tegra: Remove extern1 and cdev1 from clocks inittable Sowjanya Komatineni
2019-12-06  2:48   ` [alsa-devel] " Sowjanya Komatineni
2019-12-06  2:48   ` Sowjanya Komatineni
2019-12-06  2:48 ` [PATCH v3 11/15] ARM: dts: tegra: Add clock-cells property to pmc Sowjanya Komatineni
2019-12-06  2:48   ` [alsa-devel] " Sowjanya Komatineni
2019-12-06  2:48   ` Sowjanya Komatineni
2019-12-07 14:26 ` [PATCH v3 00/15] Move PMC clocks into Tegra PMC driver Dmitry Osipenko
2019-12-07 14:26   ` [alsa-devel] " Dmitry Osipenko
2019-12-07 19:22   ` Sowjanya Komatineni
2019-12-07 19:22     ` Sowjanya Komatineni

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