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Commit a889331d authored by Pi-Cheng Chen's avatar Pi-Cheng Chen Committed by Rafael J. Wysocki
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cpufreq: mt8173: migrate to use operating-points-v2 bindings



Modify mt8173-cpufreq driver to get OPP-sharing information and set up
OPP table provided by operating-points-v2 bindings.

Signed-off-by: default avatarPi-Cheng Chen <pi-cheng.chen@linaro.org>
Acked-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent c6f48119
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+11 −6
Original line number Original line Diff line number Diff line
@@ -390,7 +390,15 @@ static int mtk_cpu_dvfs_info_init(struct mtk_cpu_dvfs_info *info, int cpu)
	/* Both presence and absence of sram regulator are valid cases. */
	/* Both presence and absence of sram regulator are valid cases. */
	sram_reg = regulator_get_exclusive(cpu_dev, "sram");
	sram_reg = regulator_get_exclusive(cpu_dev, "sram");


	ret = dev_pm_opp_of_add_table(cpu_dev);
	/* Get OPP-sharing information from "operating-points-v2" bindings */
	ret = dev_pm_opp_of_get_sharing_cpus(cpu_dev, &info->cpus);
	if (ret) {
		pr_err("failed to get OPP-sharing information for cpu%d\n",
		       cpu);
		goto out_free_resources;
	}

	ret = dev_pm_opp_of_cpumask_add_table(&info->cpus);
	if (ret) {
	if (ret) {
		pr_warn("no OPP table for cpu%d\n", cpu);
		pr_warn("no OPP table for cpu%d\n", cpu);
		goto out_free_resources;
		goto out_free_resources;
@@ -421,13 +429,10 @@ static int mtk_cpu_dvfs_info_init(struct mtk_cpu_dvfs_info *info, int cpu)
	 */
	 */
	info->need_voltage_tracking = !IS_ERR(sram_reg);
	info->need_voltage_tracking = !IS_ERR(sram_reg);


	/* CPUs in the same cluster share a clock and power domain. */
	cpumask_copy(&info->cpus, &cpu_topology[cpu].core_sibling);

	return 0;
	return 0;


out_free_opp_table:
out_free_opp_table:
	dev_pm_opp_of_remove_table(cpu_dev);
	dev_pm_opp_of_cpumask_remove_table(&info->cpus);


out_free_resources:
out_free_resources:
	if (!IS_ERR(proc_reg))
	if (!IS_ERR(proc_reg))
@@ -453,7 +458,7 @@ static void mtk_cpu_dvfs_info_release(struct mtk_cpu_dvfs_info *info)
	if (!IS_ERR(info->inter_clk))
	if (!IS_ERR(info->inter_clk))
		clk_put(info->inter_clk);
		clk_put(info->inter_clk);


	dev_pm_opp_of_remove_table(info->cpu_dev);
	dev_pm_opp_of_cpumask_remove_table(&info->cpus);
}
}


static int mtk_cpufreq_init(struct cpufreq_policy *policy)
static int mtk_cpufreq_init(struct cpufreq_policy *policy)