return ret_val;
}
-/**
- * cppc_get_desired_perf - Get the value of desired performance register.
- * @cpunum: CPU from which to get desired performance.
- * @desired_perf: address of a variable to store the returned desired performance
- *
- * Return: 0 for success, -EIO otherwise.
- */
-int cppc_get_desired_perf(int cpunum, u64 *desired_perf)
+static int cppc_get_perf(int cpunum, enum cppc_regs reg_idx, u64 *perf)
{
struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpunum);
- int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpunum);
- struct cpc_register_resource *desired_reg;
- struct cppc_pcc_data *pcc_ss_data = NULL;
-
- desired_reg = &cpc_desc->cpc_regs[DESIRED_PERF];
+ struct cpc_register_resource *reg = &cpc_desc->cpc_regs[reg_idx];
- if (CPC_IN_PCC(desired_reg)) {
+ if (CPC_IN_PCC(reg)) {
+ int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpunum);
+ struct cppc_pcc_data *pcc_ss_data = NULL;
int ret = 0;
if (pcc_ss_id < 0)
down_write(&pcc_ss_data->pcc_lock);
if (send_pcc_cmd(pcc_ss_id, CMD_READ) >= 0)
- cpc_read(cpunum, desired_reg, desired_perf);
+ cpc_read(cpunum, reg, perf);
else
ret = -EIO;
return ret;
}
- cpc_read(cpunum, desired_reg, desired_perf);
+ cpc_read(cpunum, reg, perf);
return 0;
}
+
+/**
+ * cppc_get_desired_perf - Get the desired performance register value.
+ * @cpunum: CPU from which to get desired performance.
+ * @desired_perf: Return address.
+ *
+ * Return: 0 for success, -EIO otherwise.
+ */
+int cppc_get_desired_perf(int cpunum, u64 *desired_perf)
+{
+ return cppc_get_perf(cpunum, DESIRED_PERF, desired_perf);
+}
EXPORT_SYMBOL_GPL(cppc_get_desired_perf);
/**
+ * cppc_get_nominal_perf - Get the nominal performance register value.
+ * @cpunum: CPU from which to get nominal performance.
+ * @nominal_perf: Return address.
+ *
+ * Return: 0 for success, -EIO otherwise.
+ */
+int cppc_get_nominal_perf(int cpunum, u64 *nominal_perf)
+{
+ return cppc_get_perf(cpunum, NOMINAL_PERF, nominal_perf);
+}
+
+/**
* cppc_get_perf_caps - Get a CPU's performance capabilities.
* @cpunum: CPU from which to get capabilities info.
* @perf_caps: ptr to cppc_perf_caps. See cppc_acpi.h
#ifdef CONFIG_ACPI_CPPC_LIB
extern int cppc_get_desired_perf(int cpunum, u64 *desired_perf);
+extern int cppc_get_nominal_perf(int cpunum, u64 *nominal_perf);
extern int cppc_get_perf_ctrs(int cpu, struct cppc_perf_fb_ctrs *perf_fb_ctrs);
extern int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls);
extern int cppc_get_perf_caps(int cpu, struct cppc_perf_caps *caps);
{
return -ENOTSUPP;
}
+static inline int cppc_get_nominal_perf(int cpunum, u64 *nominal_perf)
+{
+ return -ENOTSUPP;
+}
static inline int cppc_get_perf_ctrs(int cpu, struct cppc_perf_fb_ctrs *perf_fb_ctrs)
{
return -ENOTSUPP;