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PM / devfreq: qoslat: implement get_dev_status()

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The qoslat devfreq device does not implement the
get_dev_status() devfreq profile API. This will
lead to a crash if a governor tries to invoke
devfreq_update_stats(). Implement the API to prevent
this from happening.

Change-Id: I668c3b55a1585d8eb561da03475e1567b194feef
Signed-off-by: Amir Vajid <[email protected]>
This commit is contained in:
Amir Vajid 2020-05-14 08:01:42 -07:00
commit 324982fad1
1 changed files with 12 additions and 1 deletions
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13
drivers/devfreq/devfreq_qcom_qoslat.c
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@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2019, The Linux Foundation. All rights reserved.
* Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
*/
#define pr_fmt(fmt) "devfreq-qcom-qoslat: " fmt
@ -82,6 +82,16 @@ static int dev_get_cur_freq(struct device *dev, unsigned long *freq)
return 0;
}
static int dev_get_dev_status(struct device *dev,
struct devfreq_dev_status *stat)
{
struct qoslat_data *d = dev_get_drvdata(dev);
stat->current_frequency = d->qos_level;
return 0;
}
static int devfreq_qcom_qoslat_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@ -114,6 +124,7 @@ static int devfreq_qcom_qoslat_probe(struct platform_device *pdev)
p = &d->profile;
p->target = dev_target;
p->get_cur_freq = dev_get_cur_freq;
p->get_dev_status = dev_get_dev_status;
p->polling_ms = 10;
ret = dev_pm_opp_of_add_table(dev);