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opp: Split out _opp_set_rate_zero()

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Create separate routine _opp_set_rate_zero() to handle !target_freq
case.

Tested-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
This commit is contained in:
Viresh Kumar 2020-08-13 09:48:04 +05:30
parent 10b217365b
commit f3364e17d5
1 changed files with 29 additions and 23 deletions
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52
drivers/opp/core.c
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@ -860,6 +860,34 @@ int dev_pm_opp_set_bw(struct device *dev, struct dev_pm_opp *opp)
}
EXPORT_SYMBOL_GPL(dev_pm_opp_set_bw);
static int _opp_set_rate_zero(struct device *dev, struct opp_table *opp_table)
{
int ret;
if (!opp_table->enabled)
return 0;
/*
* Some drivers need to support cases where some platforms may
* have OPP table for the device, while others don't and
* opp_set_rate() just needs to behave like clk_set_rate().
*/
if (!_get_opp_count(opp_table))
return 0;
ret = _set_opp_bw(opp_table, NULL, dev, true);
if (ret)
return ret;
if (opp_table->regulators)
regulator_disable(opp_table->regulators[0]);
ret = _set_required_opps(dev, opp_table, NULL);
opp_table->enabled = false;
return ret;
}
/**
* dev_pm_opp_set_rate() - Configure new OPP based on frequency
* @dev: device for which we do this operation
@ -886,29 +914,7 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
}
if (unlikely(!target_freq)) {
ret = 0;
if (!opp_table->enabled)
goto put_opp_table;
/*
* Some drivers need to support cases where some platforms may
* have OPP table for the device, while others don't and
* opp_set_rate() just needs to behave like clk_set_rate().
*/
if (!_get_opp_count(opp_table))
goto put_opp_table;
ret = _set_opp_bw(opp_table, NULL, dev, true);
if (ret)
goto put_opp_table;
if (opp_table->regulators)
regulator_disable(opp_table->regulators[0]);
ret = _set_required_opps(dev, opp_table, NULL);
opp_table->enabled = false;
ret = _opp_set_rate_zero(dev, opp_table);
goto put_opp_table;
}