Commit d80a7562 authored by Lifeng Zheng's avatar Lifeng Zheng Committed by Rafael J. Wysocki
Browse files

cpufreq: CPPC: Remove cpu_data_list 



After commit a28b2bfc ("cppc_cpufreq: replace per-cpu data array with a
list"), cpu_data can be got from policy->driver_data, so cpu_data_list is
not actually needed and can be removed.

Signed-off-by: default avatarLifeng Zheng <zhenglifeng1@huawei.com>
Link: https://patch.msgid.link/20250526113057.3086513-2-zhenglifeng1@huawei.com


Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent e04c78d8

drivers/cpufreq/cppc_cpufreq.c

+0 −25
Original line number Diff line number Diff line
@@ -26,14 +26,6 @@ 


#include <acpi/cppc_acpi.h>



/*

 * This list contains information parsed from per CPU ACPI _CPC and _PSD

 * structures: e.g. the highest and lowest supported performance, capabilities,

 * desired performance, level requested etc. Depending on the share_type, not

 * all CPUs will have an entry in the list.

 */

static LIST_HEAD(cpu_data_list);



static struct cpufreq_driver cppc_cpufreq_driver;



#ifdef CONFIG_ACPI_CPPC_CPUFREQ_FIE
@@ -567,8 +559,6 @@ static struct cppc_cpudata *cppc_cpufreq_get_cpu_data(unsigned int cpu) 
		goto free_mask;

	}



	list_add(&cpu_data->node, &cpu_data_list);



	return cpu_data;



free_mask:
@@ -583,7 +573,6 @@ static void cppc_cpufreq_put_cpu_data(struct cpufreq_policy *policy) 
{

	struct cppc_cpudata *cpu_data = policy->driver_data;



	list_del(&cpu_data->node);

	free_cpumask_var(cpu_data->shared_cpu_map);

	kfree(cpu_data);

	policy->driver_data = NULL;
@@ -954,24 +943,10 @@ static int __init cppc_cpufreq_init(void) 
	return ret;

}



static inline void free_cpu_data(void)

{

	struct cppc_cpudata *iter, *tmp;



	list_for_each_entry_safe(iter, tmp, &cpu_data_list, node) {

		free_cpumask_var(iter->shared_cpu_map);

		list_del(&iter->node);

		kfree(iter);

	}



}



static void __exit cppc_cpufreq_exit(void)

{

	cpufreq_unregister_driver(&cppc_cpufreq_driver);

	cppc_freq_invariance_exit();



	free_cpu_data();

}



module_exit(cppc_cpufreq_exit);

include/acpi/cppc_acpi.h

+0 −1
Original line number Diff line number Diff line
@@ -139,7 +139,6 @@ struct cppc_perf_fb_ctrs { 


/* Per CPU container for runtime CPPC management. */

struct cppc_cpudata {

	struct list_head node;

	struct cppc_perf_caps perf_caps;

	struct cppc_perf_ctrls perf_ctrls;

	struct cppc_perf_fb_ctrs perf_fb_ctrs;