From: Stephen Boyd <sboyd@codeaurora.org>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Rafael Wysocki <rjw@rjwysocki.net>,
linaro-kernel@lists.linaro.org, linux-pm@vger.kernel.org,
nm@ti.com, arnd.bergmann@linaro.org, andrew@lunn.ch,
gregory.clement@free-electrons.com, jason@lakedaemon.net,
sebastian.hesselbarth@gmail.com,
thomas.petazzoni@free-electrons.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 07/10] cpufreq: dt: Identify cpu-sharing for platforms without operating-points-v2
Date: Fri, 22 Apr 2016 15:27:36 -0700 [thread overview]
Message-ID: <20160422222736.GU13149@codeaurora.org> (raw)
In-Reply-To: <e42f0fdd6b67461a631ca9d966a52357bbc6cc75.1461228504.git.viresh.kumar@linaro.org>
On 04/21, Viresh Kumar wrote:
> @@ -167,14 +167,16 @@ static int cpufreq_init(struct cpufreq_policy *policy)
> /* Get OPP-sharing information from "operating-points-v2" bindings */
> ret = dev_pm_opp_of_get_sharing_cpus(cpu_dev, policy->cpus);
> if (ret) {
> + if (ret != -ENOENT)
> + goto out_put_clk;
> +
> /*
> * operating-points-v2 not supported, fallback to old method of
> - * finding shared-OPPs for backward compatibility.
> + * finding shared-OPPs for backward compatibility if the
> + * platform hasn't set sharing CPUs.
> */
> - if (ret == -ENOENT)
> - opp_v1 = true;
> - else
> - goto out_put_clk;
> + if (dev_pm_opp_get_sharing_cpus(cpu_dev, policy->cpus))
> + fallback = true;
I'm sort of lost, we make the same call twice here. Why would the
return value change between the first time and the second?
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2016-04-22 22:27 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-21 8:58 [PATCH 00/10] cpufreq: Get rid of cpufreq-dt's platform data Viresh Kumar
2016-04-21 8:58 ` [PATCH 01/10] PM / OPP: Propagate the error returned by _find_opp_table() Viresh Kumar
2016-04-22 22:14 ` Stephen Boyd
2016-04-21 8:58 ` [PATCH 02/10] PM / OPP: Add missing doc style comments Viresh Kumar
2016-04-22 22:15 ` Stephen Boyd
2016-04-21 8:58 ` [PATCH 03/10] PM / OPP: dev_pm_opp_set_sharing_cpus() doesn't depend on CONFIG_OF Viresh Kumar
2016-04-22 22:16 ` Stephen Boyd
2016-04-21 8:58 ` [PATCH 04/10] PM / OPP: Relocate dev_pm_opp_set_sharing_cpus() Viresh Kumar
2016-04-22 22:22 ` Stephen Boyd
2016-04-21 8:58 ` [PATCH 05/10] PM / OPP: Mark shared-opp for non-dt case Viresh Kumar
2016-04-22 22:21 ` Stephen Boyd
2016-04-21 8:58 ` [PATCH 06/10] PM / OPP: Add dev_pm_opp_get_sharing_cpus() Viresh Kumar
2016-04-22 22:21 ` Stephen Boyd
2016-04-27 2:59 ` Viresh Kumar
2016-04-21 8:58 ` [PATCH 07/10] cpufreq: dt: Identify cpu-sharing for platforms without operating-points-v2 Viresh Kumar
2016-04-22 22:27 ` Stephen Boyd [this message]
2016-04-25 9:36 ` Viresh Kumar
2016-04-25 21:45 ` Stephen Boyd
2016-04-25 21:48 ` Rafael J. Wysocki
2016-04-25 21:56 ` Stephen Boyd
2016-04-25 22:03 ` Rafael J. Wysocki
2016-04-21 8:59 ` [PATCH 08/10] mvebu: Use dev_pm_opp_set_sharing_cpus() to mark OPP tables as shared Viresh Kumar
2016-04-22 22:24 ` Stephen Boyd
2016-04-21 8:59 ` [PATCH 09/10] cpufreq: dt: Kill platform-data Viresh Kumar
2016-04-22 22:26 ` Stephen Boyd
2016-04-21 8:59 ` [PATCH 10/10] cpufreq: mvebu: Use generic platdev driver Viresh Kumar
2016-04-22 22:42 ` Arnd Bergmann
2016-04-25 3:00 ` Viresh Kumar
2016-04-25 12:53 ` Arnd Bergmann
2016-04-25 12:56 ` Viresh Kumar
2016-04-25 15:26 ` Arnd Bergmann
2016-04-25 15:29 ` Viresh Kumar
2016-04-25 15:46 ` Arnd Bergmann
2016-04-25 15:55 ` Thomas Petazzoni
2016-04-21 20:10 ` [PATCH 00/10] cpufreq: Get rid of cpufreq-dt's platform data Rafael J. Wysocki
2016-04-22 3:16 ` [PATCH] PM / OPP: -ENOSYS is applicable only to syscalls Viresh Kumar
2016-04-22 12:42 ` Rafael J. Wysocki
2016-04-22 14:59 ` One Thousand Gnomes
2016-04-27 2:47 ` Viresh Kumar
2016-04-22 22:44 ` [PATCH 00/10] cpufreq: Get rid of cpufreq-dt's platform data Arnd Bergmann
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