Commit 206b6612 authored by Jie Zhan's avatar Jie Zhan Committed by Viresh Kumar
Browse files

cpufreq: CPPC: Factor out cppc_fie_kworker_init() 



Factor out the CPPC FIE kworker init in cppc_freq_invariance_init() because
it's a standalone procedure for use when the CPC regs are in PCC channels.

Reviewed-by: default avatarLifeng Zheng <zhenglifeng1@huawei.com>
Reviewed-by: default avatarPierre Gondois <pierre.gondois@arm.com>
Signed-off-by: default avatarJie Zhan <zhanjie9@hisilicon.com>
Signed-off-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
parent f9cadb3d

drivers/cpufreq/cppc_cpufreq.c

+17 −12
Original line number Diff line number Diff line
@@ -184,7 +184,7 @@ static void cppc_cpufreq_cpu_fie_exit(struct cpufreq_policy *policy) 
	}

}



static void __init cppc_freq_invariance_init(void)

static void cppc_fie_kworker_init(void)

{

	struct sched_attr attr = {

		.size		= sizeof(struct sched_attr),
@@ -201,17 +201,6 @@ static void __init cppc_freq_invariance_init(void) 
	};

	int ret;



	if (fie_disabled != FIE_ENABLED && fie_disabled != FIE_DISABLED) {

		fie_disabled = FIE_ENABLED;

		if (cppc_perf_ctrs_in_pcc()) {

			pr_info("FIE not enabled on systems with registers in PCC\n");

			fie_disabled = FIE_DISABLED;

		}

	}



	if (fie_disabled)

		return;



	kworker_fie = kthread_run_worker(0, "cppc_fie");

	if (IS_ERR(kworker_fie)) {

		pr_warn("%s: failed to create kworker_fie: %ld\n", __func__,
@@ -229,6 +218,22 @@ static void __init cppc_freq_invariance_init(void) 
	}

}



static void __init cppc_freq_invariance_init(void)

{

	if (fie_disabled != FIE_ENABLED && fie_disabled != FIE_DISABLED) {

		fie_disabled = FIE_ENABLED;

		if (cppc_perf_ctrs_in_pcc()) {

			pr_info("FIE not enabled on systems with registers in PCC\n");

			fie_disabled = FIE_DISABLED;

		}

	}



	if (fie_disabled)

		return;



	cppc_fie_kworker_init();

}



static void cppc_freq_invariance_exit(void)

{

	if (fie_disabled)