cpufreq: qcom-hw: Make use of cpufreq driver_data for passing pdev

Get rid of global_pdev pointer and make use of cpufreq driver_data for
passing the reference of pdev. This aligns with what other cpufreq drivers
are doing.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
index 3fb044b..ccea34f 100644 (file)
--- a/drivers/cpufreq/qcom-cpufreq-hw.c
+++ b/drivers/cpufreq/qcom-cpufreq-hw.c
@@ -30,7 +30,6 @@
 #define REG_PERF_STATE                 0x920
 
 static unsigned long cpu_hw_rate, xo_rate;
-static struct platform_device *global_pdev;
 static bool icc_scaling_enabled;
 
 static int qcom_cpufreq_set_bw(struct cpufreq_policy *policy,
@@ -240,7 +239,8 @@ static void qcom_get_related_cpus(int index, struct cpumask *m)
 
 static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy)
 {
-       struct device *dev = &global_pdev->dev;
+       struct platform_device *pdev = cpufreq_get_driver_data();
+       struct device *dev = &pdev->dev;
        struct of_phandle_args args;
        struct device_node *cpu_np;
        struct device *cpu_dev;
@@ -267,7 +267,7 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy)
 
        index = args.args[0];
 
-       res = platform_get_resource(global_pdev, IORESOURCE_MEM, index);
+       res = platform_get_resource(pdev, IORESOURCE_MEM, index);
        if (!res)
                return -ENODEV;
 
@@ -316,11 +316,12 @@ static int qcom_cpufreq_hw_cpu_exit(struct cpufreq_policy *policy)
 {
        struct device *cpu_dev = get_cpu_device(policy->cpu);
        void __iomem *base = policy->driver_data - REG_PERF_STATE;
+       struct platform_device *pdev = cpufreq_get_driver_data();
 
        dev_pm_opp_remove_all_dynamic(cpu_dev);
        dev_pm_opp_of_cpumask_remove_table(policy->related_cpus);
        kfree(policy->freq_table);
-       devm_iounmap(&global_pdev->dev, base);
+       devm_iounmap(&pdev->dev, base);
 
        return 0;
 }
@@ -365,7 +366,7 @@ static int qcom_cpufreq_hw_driver_probe(struct platform_device *pdev)
        cpu_hw_rate = clk_get_rate(clk) / CLK_HW_DIV;
        clk_put(clk);
 
-       global_pdev = pdev;
+       cpufreq_qcom_hw_driver.driver_data = pdev;
 
        /* Check for optional interconnect paths on CPU0 */
        cpu_dev = get_cpu_device(0);