Commit f3364e17 authored by Viresh Kumar's avatar Viresh Kumar
Browse files

opp: Split out _opp_set_rate_zero() 



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

Tested-by: default avatarRajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
parent 10b21736

drivers/opp/core.c

+29 −23
Original line number Diff line number Diff line
@@ -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;

	}