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From: Viresh Kumar <viresh.kumar@linaro.org>
To: Dmitry Osipenko <digetx@gmail.com>
Cc: Thierry Reding <thierry.reding@gmail.com>,
	Jonathan Hunter <jonathanh@nvidia.com>,
	Mark Brown <broonie@kernel.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Peter Geis <pgwipeout@gmail.com>,
	Nicolas Chauvet <kwizart@gmail.com>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Kevin Hilman <khilman@kernel.org>,
	Peter De Schrijver <pdeschrijver@nvidia.com>,
	Viresh Kumar <vireshk@kernel.org>,
	Stephen Boyd <sboyd@kernel.org>, Nishanth Menon <nm@ti.com>,
	Yangtao Li <tiny.windzz@gmail.com>,
	Matt Merhar <mattmerhar@protonmail.com>,
	linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org,
	linux-pm@vger.kernel.org
Subject: Re: [PATCH v3 10/12] opp: Support set_opp() customization without requiring to use regulators
Date: Tue, 19 Jan 2021 12:06:03 +0530	[thread overview]
Message-ID: <20210119063603.oqbpndniizfifp4t@vireshk-i7> (raw)
In-Reply-To: <fb69353c-a35b-9b7c-46bc-d464c6dab6f5@gmail.com>

On 18-01-21, 21:48, Dmitry Osipenko wrote:
> 18.01.2021 14:44, Viresh Kumar пишет:
> > On 18-01-21, 03:55, Dmitry Osipenko wrote:
> >> diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
> >> index eefd0b15890c..c98fd2add563 100644
> >> --- a/include/linux/pm_opp.h
> >> +++ b/include/linux/pm_opp.h
> >> @@ -13,6 +13,7 @@
> >>  
> >>  #include <linux/energy_model.h>
> >>  #include <linux/err.h>
> >> +#include <linux/kref.h>
> >>  #include <linux/notifier.h>
> >>  
> >>  struct clk;
> >> @@ -74,6 +75,7 @@ struct dev_pm_opp_info {
> >>   * @regulator_count: Number of regulators
> >>   * @clk:	Pointer to clk
> >>   * @dev:	Pointer to the struct device
> >> + * @kref:	Reference counter
> >>   *
> >>   * This structure contains all information required for setting an OPP.
> >>   */
> >> @@ -85,6 +87,7 @@ struct dev_pm_set_opp_data {
> >>  	unsigned int regulator_count;
> >>  	struct clk *clk;
> >>  	struct device *dev;
> >> +	struct kref kref;
> >>  };
> > 
> > Instead of kref thing, allocate the memory for supplies from
> > dev_pm_opp_set_regulators() and store it in new entries in opp-table
> > and for rest of the data from dev_pm_opp_register_set_opp_helper(), to
> > which you can copy supplies pointers then.
> > 
> 
> Could you please show a code sample?

Sent a patch to you.

-- 
viresh

  parent reply	other threads:[~2021-01-19  6:38 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-18  0:55 [PATCH v3 00/12] OPP API fixes and improvements Dmitry Osipenko
2021-01-18  0:55 ` [PATCH v3 01/12] opp: Fix adding OPP entries in a wrong order if rate is unavailable Dmitry Osipenko
2021-01-18  7:44   ` Viresh Kumar
2021-01-18 18:46     ` Dmitry Osipenko
2021-01-18  0:55 ` [PATCH v3 02/12] opp: Filter out OPPs based on availability of a required-OPP Dmitry Osipenko
2021-01-18  8:11   ` Viresh Kumar
2021-01-18  0:55 ` [PATCH v3 03/12] opp: Correct debug message in _opp_add_static_v2() Dmitry Osipenko
2021-01-18  8:14   ` Viresh Kumar
2021-01-18  0:55 ` [PATCH v3 04/12] opp: Add dev_pm_opp_sync_regulators() Dmitry Osipenko
2021-01-18  8:20   ` Viresh Kumar
2021-01-18 18:35     ` Dmitry Osipenko
2021-01-19  4:58       ` Viresh Kumar
2021-01-19 22:42         ` Dmitry Osipenko
2021-01-18 11:00   ` Viresh Kumar
2021-01-18 11:06     ` Viresh Kumar
2021-01-18  0:55 ` [PATCH v3 05/12] opp: Add dev_pm_opp_set_voltage() Dmitry Osipenko
2021-01-18  9:52   ` Viresh Kumar
2021-01-18 19:14     ` Dmitry Osipenko
2021-01-20 21:57       ` Dmitry Osipenko
2021-01-21 11:20         ` Viresh Kumar
2021-01-18  0:55 ` [PATCH v3 06/12] opp: Add dev_pm_opp_find_level_ceil() Dmitry Osipenko
2021-01-18  9:58   ` Viresh Kumar
2021-01-18  0:55 ` [PATCH v3 07/12] opp: Add dev_pm_opp_get_required_pstate() Dmitry Osipenko
2021-01-18 10:50   ` Viresh Kumar
2021-01-18  0:55 ` [PATCH v3 08/12] opp: Add devm_pm_opp_register_set_opp_helper Dmitry Osipenko
2021-01-18 11:07   ` Viresh Kumar
2021-01-18  0:55 ` [PATCH v3 09/12] opp: Add devm_pm_opp_attach_genpd Dmitry Osipenko
2021-01-18 11:14   ` Viresh Kumar
2021-01-18  0:55 ` [PATCH v3 10/12] opp: Support set_opp() customization without requiring to use regulators Dmitry Osipenko
2021-01-18 11:44   ` Viresh Kumar
2021-01-18 18:48     ` Dmitry Osipenko
2021-01-19  6:35       ` [PATCH] opp: Prepare for ->set_opp() helper to work without regulators Viresh Kumar
2021-01-19 17:16         ` Dmitry Osipenko
2021-01-20  7:39           ` Viresh Kumar
2021-01-20 14:50             ` Dmitry Osipenko
2021-01-21 11:25               ` Viresh Kumar
2021-01-19 17:18         ` Dmitry Osipenko
2021-01-20  8:08         ` Viresh Kumar
2021-01-21 11:28           ` Viresh Kumar
2021-01-19  6:36       ` Viresh Kumar [this message]
2021-01-21 11:30       ` [PATCH V2] " Viresh Kumar
2021-01-21 21:02         ` Dmitry Osipenko
2021-01-22  3:05           ` Viresh Kumar
2021-01-18  0:55 ` [PATCH v3 11/12] opp: Handle missing OPP table in dev_pm_opp_xlate_performance_state() Dmitry Osipenko
2021-01-18 11:18   ` Viresh Kumar
2021-01-18  0:55 ` [PATCH v3 12/12] opp: Print OPP level in debug message of _opp_add_static_v2() Dmitry Osipenko
2021-01-18 11:18   ` Viresh Kumar
2021-01-18 11:46 ` [PATCH v3 00/12] OPP API fixes and improvements Viresh Kumar
2021-01-19 17:35   ` Dmitry Osipenko
2021-01-20 15:41     ` Dmitry Osipenko
2021-01-21  7:51       ` Viresh Kumar
2021-01-21 20:30         ` Dmitry Osipenko

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