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Commit 20b7cbe2 authored by John Tobias's avatar John Tobias Committed by Rafael J. Wysocki
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cpufreq: imx6q: add of_init_opp_table 



Add a routine check to see if the platform supplied the OPP table.
Incase there's no OPP table exist, it will try to initialise it.

It's been tested on iMX6SL board where the platform doesn't have
an OPP table.

Signed-off-by: default avatarJohn Tobias <john.tobias.ph@gmail.com>
Acked-by: default avatarShawn Guo <shawn.guo@linaro.org>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 1d0eaae9

drivers/cpufreq/imx6q-cpufreq.c

+17 −4
Original line number Diff line number Diff line
@@ -195,13 +195,26 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev) 
		goto put_node;

	}



	/* We expect an OPP table supplied by platform */

	/*

	 * We expect an OPP table supplied by platform.

	 * Just, incase the platform did not supply the OPP

	 * table, it will try to get it.

	 */

	num = dev_pm_opp_get_opp_count(cpu_dev);

	if (num < 0) {

		ret = of_init_opp_table(cpu_dev);

		if (ret < 0) {

			dev_err(cpu_dev, "failed to init OPP table: %d\n", ret);

			goto put_node;

		}



		num = dev_pm_opp_get_opp_count(cpu_dev);

		if (num < 0) {

			ret = num;

			dev_err(cpu_dev, "no OPP table is found: %d\n", ret);

			goto put_node;

		}

	}



	ret = dev_pm_opp_init_cpufreq_table(cpu_dev, &freq_table);

	if (ret) {