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ACPI: CPPC: Rename cppc_get_perf() to cppc_get_reg_val()

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

Reviewed-by: Pierre Gondois <pierre.gondois@arm.com>
Signed-off-by: Lifeng Zheng <zhenglifeng1@huawei.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/20250411093855.982491-4-zhenglifeng1@huawei.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lifeng Zheng
2025-04-11 17:38:50 +08:00
committed by Rafael J. Wysocki
parent 45f3763a21
commit 714d103ce8
1 changed files with 11 additions and 11 deletions
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22
drivers/acpi/cppc_acpi.c
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@@ -1179,16 +1179,16 @@ 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 (perf == NULL)
if (val == NULL)
return -EINVAL;
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;
}
@@ -1202,7 +1202,7 @@ 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;
@@ -1216,7 +1216,7 @@ 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;
@@ -1225,7 +1225,7 @@ 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);
}
/**
@@ -1237,7 +1237,7 @@ 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);
@@ -1250,7 +1250,7 @@ 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);
}
/**
@@ -1262,7 +1262,7 @@ 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);
@@ -1275,7 +1275,7 @@ 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);