linux-kernel - [PATCH v6 3/8] ACPI: CPPC: Rename cppc_get_perf() to cppc_get_reg

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Message-ID: <20250409065703.1461867-4-zhenglifeng1@huawei.com>
Date: Wed, 9 Apr 2025 14:56:58 +0800
From: Lifeng Zheng <zhenglifeng1@...wei.com>
To: <rafael@...nel.org>, <lenb@...nel.org>, <robert.moore@...el.com>,
	<viresh.kumar@...aro.org>, <mario.limonciello@....com>,
	<gautham.shenoy@....com>, <ray.huang@....com>, <perry.yuan@....com>,
	<pierre.gondois@....com>
CC: <acpica-devel@...ts.linux.dev>, <linux-acpi@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
	<linuxarm@...wei.com>, <jonathan.cameron@...wei.com>,
	<zhanjie9@...ilicon.com>, <lihuisong@...wei.com>,
	<cenxinghai@...artners.com>, <zhenglifeng1@...wei.com>, <hepeng68@...wei.com>
Subject: [PATCH v6 3/8] ACPI: CPPC: Rename cppc_get_perf() to cppc_get_reg_val()

Rename cppc_get_perf() to cppc_get_reg_val() as a generic function to read
cppc registers.

Reviewed-by: Pierre Gondois <pierre.gondois@....com>
Signed-off-by: Lifeng Zheng <zhenglifeng1@...wei.com>
---
 drivers/acpi/cppc_acpi.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 2f789d3b3cad..9e26f115e1a9 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -1189,13 +1189,13 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val)
 	return ret_val;
 }
 
-static int cppc_get_perf(int cpunum, enum cppc_regs reg_idx, u64 *perf)
+static int cppc_get_reg_val(int cpu, enum cppc_regs reg_idx, u64 *val)
 {
-	struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpunum);
+	struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpu);
 	struct cpc_register_resource *reg;
 
 	if (!cpc_desc) {
-		pr_debug("No CPC descriptor for CPU:%d\n", cpunum);
+		pr_debug("No CPC descriptor for CPU:%d\n", cpu);
 		return -ENODEV;
 	}
 
@@ -1209,7 +1209,7 @@ static int cppc_get_perf(int cpunum, enum cppc_regs reg_idx, u64 *perf)
 	}
 
 	if (CPC_IN_PCC(reg)) {
-		int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpunum);
+		int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu);
 		struct cppc_pcc_data *pcc_ss_data = NULL;
 		int ret;
 
@@ -1223,7 +1223,7 @@ static int cppc_get_perf(int cpunum, enum cppc_regs reg_idx, u64 *perf)
 		down_write(&pcc_ss_data->pcc_lock);
 
 		if (send_pcc_cmd(pcc_ss_id, CMD_READ) >= 0)
-			ret = cpc_read(cpunum, reg, perf);
+			ret = cpc_read(cpu, reg, val);
 		else
 			ret = -EIO;
 
@@ -1232,7 +1232,7 @@ static int cppc_get_perf(int cpunum, enum cppc_regs reg_idx, u64 *perf)
 		return ret;
 	}
 
-	return cpc_read(cpunum, reg, perf);
+	return cpc_read(cpu, reg, val);
 }
 
 /**
@@ -1244,7 +1244,7 @@ static int cppc_get_perf(int cpunum, enum cppc_regs reg_idx, u64 *perf)
  */
 int cppc_get_desired_perf(int cpunum, u64 *desired_perf)
 {
-	return cppc_get_perf(cpunum, DESIRED_PERF, desired_perf);
+	return cppc_get_reg_val(cpunum, DESIRED_PERF, desired_perf);
 }
 EXPORT_SYMBOL_GPL(cppc_get_desired_perf);
 
@@ -1257,7 +1257,7 @@ EXPORT_SYMBOL_GPL(cppc_get_desired_perf);
  */
 int cppc_get_nominal_perf(int cpunum, u64 *nominal_perf)
 {
-	return cppc_get_perf(cpunum, NOMINAL_PERF, nominal_perf);
+	return cppc_get_reg_val(cpunum, NOMINAL_PERF, nominal_perf);
 }
 
 /**
@@ -1269,7 +1269,7 @@ int cppc_get_nominal_perf(int cpunum, u64 *nominal_perf)
  */
 int cppc_get_highest_perf(int cpunum, u64 *highest_perf)
 {
-	return cppc_get_perf(cpunum, HIGHEST_PERF, highest_perf);
+	return cppc_get_reg_val(cpunum, HIGHEST_PERF, highest_perf);
 }
 EXPORT_SYMBOL_GPL(cppc_get_highest_perf);
 
@@ -1282,7 +1282,7 @@ EXPORT_SYMBOL_GPL(cppc_get_highest_perf);
  */
 int cppc_get_epp_perf(int cpunum, u64 *epp_perf)
 {
-	return cppc_get_perf(cpunum, ENERGY_PERF, epp_perf);
+	return cppc_get_reg_val(cpunum, ENERGY_PERF, epp_perf);
 }
 EXPORT_SYMBOL_GPL(cppc_get_epp_perf);
 
-- 
2.33.0