a14d546f72
dev_pm_opp_of_remove_table() doesn't report any errors when it fails to find the OPP table with error -ENODEV (i.e. OPP table not present for the device). And we can call dev_pm_opp_of_remove_table() unconditionally here. Reviewed-by: Qiang Yu <yuq825@gmail.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Qiang Yu <yuq825@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/c995335d16d8b4b4ff47b1273869c33e14782b32.1603867405.git.viresh.kumar@linaro.org
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright 2020 Martin Blumenstingl <martin.blumenstingl@googlemail.com> */
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#ifndef __LIMA_DEVFREQ_H__
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#define __LIMA_DEVFREQ_H__
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#include <linux/spinlock.h>
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#include <linux/ktime.h>
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struct devfreq;
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struct opp_table;
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struct thermal_cooling_device;
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struct lima_device;
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struct lima_devfreq {
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struct devfreq *devfreq;
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struct opp_table *clkname_opp_table;
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struct opp_table *regulators_opp_table;
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struct thermal_cooling_device *cooling;
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ktime_t busy_time;
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ktime_t idle_time;
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ktime_t time_last_update;
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int busy_count;
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/*
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* Protect busy_time, idle_time, time_last_update and busy_count
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* because these can be updated concurrently, for example by the GP
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* and PP interrupts.
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*/
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spinlock_t lock;
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};
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int lima_devfreq_init(struct lima_device *ldev);
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void lima_devfreq_fini(struct lima_device *ldev);
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void lima_devfreq_record_busy(struct lima_devfreq *devfreq);
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void lima_devfreq_record_idle(struct lima_devfreq *devfreq);
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int lima_devfreq_resume(struct lima_devfreq *devfreq);
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int lima_devfreq_suspend(struct lima_devfreq *devfreq);
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#endif
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