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Subject[PATCH 3/7] cpufreq: qcom-hw: Make use of cpufreq driver_data for passing pdev
Date
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>
---
drivers/cpufreq/qcom-cpufreq-hw.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
index 3fb044b907a8..ccea34f61152 100644
--- 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);
--
2.17.1
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