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: Pi-Cheng Chen <pi-cheng.chen@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/cpufreq/mt8173-cpufreq.c b/drivers/cpufreq/mt8173-cpufreq.c
index fd601b92f5eccc226545dca313491a97e7f94753..1efba340456dfc5df4b2005517fe0c1b048e198a 100644 (file)
--- a/drivers/cpufreq/mt8173-cpufreq.c
+++ b/drivers/cpufreq/mt8173-cpufreq.c
@@ -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. */
        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) {
                pr_warn("no OPP table for cpu%d\n", cpu);
                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);
 
-       /* CPUs in the same cluster share a clock and power domain. */
-       cpumask_copy(&info->cpus, &cpu_topology[cpu].core_sibling);
-
        return 0;
 
 out_free_opp_table:
-       dev_pm_opp_of_remove_table(cpu_dev);
+       dev_pm_opp_of_cpumask_remove_table(&info->cpus);
 
 out_free_resources:
        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))
                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)