From: Sowjanya Komatineni <skomatineni@nvidia.com>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: thierry.reding@gmail.com, jonathanh@nvidia.com,
tglx@linutronix.de, jason@lakedaemon.net, marc.zyngier@arm.com,
linus.walleij@linaro.org, stefan@agner.ch, mark.rutland@arm.com,
pdeschrijver@nvidia.com, pgaikwad@nvidia.com, sboyd@kernel.org,
linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org,
jckuo@nvidia.com, josephl@nvidia.com, talho@nvidia.com,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
mperttunen@nvidia.com, spatra@nvidia.com, robh+dt@kernel.org,
digetx@gmail.com, devicetree@vger.kernel.org, rjw@rjwysocki.net,
linux-pm@vger.kernel.org
Subject: Re: [PATCH v7 11/20] cpufreq: tegra124: Add suspend and resume support
Date: Thu, 1 Aug 2019 10:51:40 -0700 [thread overview]
Message-ID: <69aba3b2-d021-4851-d058-fcaa70446f58@nvidia.com> (raw)
In-Reply-To: <20190801054055.trmabmcaj3cpe4pc@vireshk-i7>
On 7/31/19 10:40 PM, Viresh Kumar wrote:
> On 31-07-19, 14:10, Sowjanya Komatineni wrote:
>> This patch adds suspend and resume pm ops for cpufreq driver.
>>
>> PLLP is the safe clock source for CPU during system suspend and
>> resume as PLLP rate is below the CPU Fmax at Vmin.
>>
>> CPUFreq driver suspend switches the CPU clock source to PLLP and
>> disables the DFLL clock.
>>
>> During system resume, warmboot code powers up the CPU with PLLP
>> clock source. So CPUFreq driver resume enabled DFLL clock and
>> switches CPU back to DFLL clock source.
>>
>> Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
>> ---
>> drivers/cpufreq/tegra124-cpufreq.c | 60 ++++++++++++++++++++++++++++++++++++++
>> 1 file changed, 60 insertions(+)
> Is there any hard dependency of this patch on the rest of the patches?
> Can I apply it alone to cpufreq tree ?
>
This patch cannot be applied alone as it has dependency on dfll clock
suspend and resume sequence.
WARNING: multiple messages have this Message-ID (diff)
From: Sowjanya Komatineni <skomatineni@nvidia.com>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: <thierry.reding@gmail.com>, <jonathanh@nvidia.com>,
<tglx@linutronix.de>, <jason@lakedaemon.net>,
<marc.zyngier@arm.com>, <linus.walleij@linaro.org>,
<stefan@agner.ch>, <mark.rutland@arm.com>,
<pdeschrijver@nvidia.com>, <pgaikwad@nvidia.com>,
<sboyd@kernel.org>, <linux-clk@vger.kernel.org>,
<linux-gpio@vger.kernel.org>, <jckuo@nvidia.com>,
<josephl@nvidia.com>, <talho@nvidia.com>,
<linux-tegra@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<mperttunen@nvidia.com>, <spatra@nvidia.com>,
<robh+dt@kernel.org>, <digetx@gmail.com>,
<devicetree@vger.kernel.org>, <rjw@rjwysocki.net>,
<linux-pm@vger.kernel.org>
Subject: Re: [PATCH v7 11/20] cpufreq: tegra124: Add suspend and resume support
Date: Thu, 1 Aug 2019 10:51:40 -0700 [thread overview]
Message-ID: <69aba3b2-d021-4851-d058-fcaa70446f58@nvidia.com> (raw)
In-Reply-To: <20190801054055.trmabmcaj3cpe4pc@vireshk-i7>
On 7/31/19 10:40 PM, Viresh Kumar wrote:
> On 31-07-19, 14:10, Sowjanya Komatineni wrote:
>> This patch adds suspend and resume pm ops for cpufreq driver.
>>
>> PLLP is the safe clock source for CPU during system suspend and
>> resume as PLLP rate is below the CPU Fmax at Vmin.
>>
>> CPUFreq driver suspend switches the CPU clock source to PLLP and
>> disables the DFLL clock.
>>
>> During system resume, warmboot code powers up the CPU with PLLP
>> clock source. So CPUFreq driver resume enabled DFLL clock and
>> switches CPU back to DFLL clock source.
>>
>> Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
>> ---
>> drivers/cpufreq/tegra124-cpufreq.c | 60 ++++++++++++++++++++++++++++++++++++++
>> 1 file changed, 60 insertions(+)
> Is there any hard dependency of this patch on the rest of the patches?
> Can I apply it alone to cpufreq tree ?
>
This patch cannot be applied alone as it has dependency on dfll clock
suspend and resume sequence.
next prev parent reply other threads:[~2019-08-01 17:51 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-31 21:10 [PATCH v7 00/20] SC7 entry and exit support for Tegra210 Sowjanya Komatineni
2019-07-31 21:10 ` Sowjanya Komatineni
2019-07-31 21:10 ` [PATCH v7 01/20] pinctrl: tegra: Add suspend and resume support Sowjanya Komatineni
2019-07-31 21:10 ` Sowjanya Komatineni
2019-08-05 9:20 ` Linus Walleij
2019-08-05 9:20 ` Linus Walleij
2019-08-06 21:51 ` Sowjanya Komatineni
2019-08-06 21:51 ` Sowjanya Komatineni
2019-08-07 3:40 ` Sowjanya Komatineni
2019-08-07 3:40 ` Sowjanya Komatineni
2019-08-07 13:11 ` Linus Walleij
2019-08-07 13:11 ` Linus Walleij
2019-08-05 10:50 ` Dmitry Osipenko
2019-08-05 18:06 ` Sowjanya Komatineni
2019-08-05 18:06 ` Sowjanya Komatineni
2019-08-06 17:59 ` Dmitry Osipenko
2019-08-06 21:54 ` Sowjanya Komatineni
2019-08-06 21:54 ` Sowjanya Komatineni
2019-07-31 21:10 ` [PATCH v7 02/20] pinctrl: tegra210: Add Tegra210 pinctrl pm ops Sowjanya Komatineni
2019-07-31 21:10 ` Sowjanya Komatineni
2019-08-05 9:21 ` Linus Walleij
2019-08-05 9:21 ` Linus Walleij
2019-07-31 21:10 ` [PATCH v7 03/20] clk: tegra: divider: Save and restore divider rate Sowjanya Komatineni
2019-07-31 21:10 ` Sowjanya Komatineni
2019-07-31 21:10 ` [PATCH v7 04/20] clk: tegra: pllout: Save and restore pllout context Sowjanya Komatineni
2019-07-31 21:10 ` Sowjanya Komatineni
2019-07-31 21:10 ` [PATCH v7 05/20] clk: tegra: pll: Save and restore pll context Sowjanya Komatineni
2019-07-31 21:10 ` Sowjanya Komatineni
2019-07-31 21:10 ` [PATCH v7 06/20] clk: tegra: Support for OSC context save and restore Sowjanya Komatineni
2019-07-31 21:10 ` Sowjanya Komatineni
2019-07-31 21:10 ` [PATCH v7 07/20] clk: tegra: clk-periph: Add save and restore support Sowjanya Komatineni
2019-07-31 21:10 ` Sowjanya Komatineni
2019-07-31 21:10 ` [PATCH v7 08/20] clk: tegra: clk-super: Fix to enable PLLP branches to CPU Sowjanya Komatineni
2019-07-31 21:10 ` Sowjanya Komatineni
2019-07-31 21:10 ` [PATCH v7 09/20] clk: tegra: clk-super: Add save and restore support Sowjanya Komatineni
2019-07-31 21:10 ` Sowjanya Komatineni
2019-07-31 21:10 ` [PATCH v7 10/20] clk: tegra: clk-dfll: Add suspend and resume support Sowjanya Komatineni
2019-07-31 21:10 ` Sowjanya Komatineni
2019-08-01 10:18 ` Dmitry Osipenko
2019-08-01 10:37 ` Dmitry Osipenko
2019-08-01 16:10 ` Sowjanya Komatineni
2019-08-01 17:10 ` Dmitry Osipenko
2019-08-01 17:10 ` Dmitry Osipenko
2019-08-01 17:53 ` Sowjanya Komatineni
2019-08-01 17:53 ` Sowjanya Komatineni
2019-07-31 21:10 ` [PATCH v7 11/20] cpufreq: tegra124: " Sowjanya Komatineni
2019-07-31 21:10 ` Sowjanya Komatineni
2019-08-01 5:40 ` Viresh Kumar
2019-08-01 17:51 ` Sowjanya Komatineni [this message]
2019-08-01 17:51 ` Sowjanya Komatineni
2019-08-02 3:41 ` Viresh Kumar
2019-07-31 21:10 ` [PATCH v7 12/20] clk: tegra210: Use fence_udelay during PLLU init Sowjanya Komatineni
2019-07-31 21:10 ` Sowjanya Komatineni
2019-07-31 21:10 ` [PATCH v7 13/20] clk: tegra210: Add suspend and resume support Sowjanya Komatineni
2019-07-31 21:10 ` Sowjanya Komatineni
2019-07-31 21:10 ` [PATCH v7 14/20] soc/tegra: pmc: Allow to support more tegras wake Sowjanya Komatineni
2019-07-31 21:10 ` Sowjanya Komatineni
2019-07-31 21:10 ` [PATCH v7 15/20] soc/tegra: pmc: Add pmc wake support for tegra210 Sowjanya Komatineni
2019-07-31 21:10 ` Sowjanya Komatineni
2019-07-31 21:10 ` [PATCH v7 16/20] arm64: tegra: Enable wake from deep sleep on RTC alarm Sowjanya Komatineni
2019-07-31 21:10 ` Sowjanya Komatineni
2019-07-31 21:11 ` [PATCH v7 17/20] soc/tegra: pmc: Configure core power request polarity Sowjanya Komatineni
2019-07-31 21:11 ` Sowjanya Komatineni
2019-07-31 21:11 ` [PATCH v7 18/20] soc/tegra: pmc: Configure deep sleep control settings Sowjanya Komatineni
2019-07-31 21:11 ` Sowjanya Komatineni
2019-07-31 21:11 ` [PATCH v7 19/20] arm64: dts: tegra210-p2180: Jetson TX1 SC7 timings Sowjanya Komatineni
2019-07-31 21:11 ` Sowjanya Komatineni
2019-07-31 21:11 ` [PATCH v7 20/20] arm64: dts: tegra210-p3450: Jetson Nano " Sowjanya Komatineni
2019-07-31 21:11 ` Sowjanya Komatineni
-- strict thread matches above, loose matches on Subject: below --
2019-07-31 0:20 [PATCH v7 00/20] SC7 entry and exit support for Tegra210 Sowjanya Komatineni
2019-07-31 0:20 ` [PATCH v7 11/20] cpufreq: tegra124: Add suspend and resume support Sowjanya Komatineni
2019-07-31 0:20 ` Sowjanya Komatineni
2019-07-31 10:23 ` Dmitry Osipenko
2019-07-31 11:14 ` Dmitry Osipenko
2019-07-31 21:05 ` Sowjanya Komatineni
2019-07-31 21:05 ` Sowjanya Komatineni
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=69aba3b2-d021-4851-d058-fcaa70446f58@nvidia.com \
--to=skomatineni@nvidia.com \
--cc=devicetree@vger.kernel.org \
--cc=digetx@gmail.com \
--cc=jason@lakedaemon.net \
--cc=jckuo@nvidia.com \
--cc=jonathanh@nvidia.com \
--cc=josephl@nvidia.com \
--cc=linus.walleij@linaro.org \
--cc=linux-clk@vger.kernel.org \
--cc=linux-gpio@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=linux-tegra@vger.kernel.org \
--cc=marc.zyngier@arm.com \
--cc=mark.rutland@arm.com \
--cc=mperttunen@nvidia.com \
--cc=pdeschrijver@nvidia.com \
--cc=pgaikwad@nvidia.com \
--cc=rjw@rjwysocki.net \
--cc=robh+dt@kernel.org \
--cc=sboyd@kernel.org \
--cc=spatra@nvidia.com \
--cc=stefan@agner.ch \
--cc=talho@nvidia.com \
--cc=tglx@linutronix.de \
--cc=thierry.reding@gmail.com \
--cc=viresh.kumar@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.