ACPI: Fix comment typos
Fix some misspellings in comments. No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 1b207fc..e947a1e 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -81,9 +81,9 @@ struct cppc_pcc_data {
int refcount;
};
-/* Array to represent the PCC channel per subspace id */
+/* Array to represent the PCC channel per subspace ID */
static struct cppc_pcc_data *pcc_data[MAX_PCC_SUBSPACES];
-/* The cpu_pcc_subspace_idx containsper CPU subspace id */
+/* The cpu_pcc_subspace_idx contains per CPU subspace ID */
static DEFINE_PER_CPU(int, cpu_pcc_subspace_idx);
/*
@@ -436,7 +436,7 @@ int acpi_get_psd_map(struct cppc_cpudata **all_cpu_data)
return -ENOMEM;
/*
- * Now that we have _PSD data from all CPUs, lets setup P-state
+ * Now that we have _PSD data from all CPUs, let's setup P-state
* domain info.
*/
for_each_possible_cpu(i) {
@@ -588,7 +588,7 @@ static int register_pcc_channel(int pcc_ss_idx)
return -ENOMEM;
}
- /* Set flag so that we dont come here for each CPU. */
+ /* Set flag so that we don't come here for each CPU. */
pcc_data[pcc_ss_idx]->pcc_channel_acquired = true;
}
@@ -613,7 +613,7 @@ bool __weak cpc_ffh_supported(void)
*
* Check and allocate the cppc_pcc_data memory.
* In some processor configurations it is possible that same subspace
- * is shared between multiple CPU's. This is seen especially in CPU's
+ * is shared between multiple CPUs. This is seen especially in CPUs
* with hardware multi-threading support.
*
* Return: 0 for success, errno for failure
@@ -711,7 +711,7 @@ static bool is_cppc_supported(int revision, int num_ent)
/**
* acpi_cppc_processor_probe - Search for per CPU _CPC objects.
- * @pr: Ptr to acpi_processor containing this CPUs logical Id.
+ * @pr: Ptr to acpi_processor containing this CPU's logical ID.
*
* Return: 0 for success or negative value for err.
*/
@@ -728,7 +728,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
acpi_status status;
int ret = -EFAULT;
- /* Parse the ACPI _CPC table for this cpu. */
+ /* Parse the ACPI _CPC table for this CPU. */
status = acpi_evaluate_object_typed(handle, "_CPC", NULL, &output,
ACPI_TYPE_PACKAGE);
if (ACPI_FAILURE(status)) {
@@ -840,7 +840,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
if (ret)
goto out_free;
- /* Register PCC channel once for all PCC subspace id. */
+ /* Register PCC channel once for all PCC subspace ID. */
if (pcc_subspace_id >= 0 && !pcc_data[pcc_subspace_id]->pcc_channel_acquired) {
ret = register_pcc_channel(pcc_subspace_id);
if (ret)
@@ -860,7 +860,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
goto out_free;
}
- /* Plug PSD data into this CPUs CPC descriptor. */
+ /* Plug PSD data into this CPU's CPC descriptor. */
per_cpu(cpc_desc_ptr, pr->id) = cpc_ptr;
ret = kobject_init_and_add(&cpc_ptr->kobj, &cppc_ktype, &cpu_dev->kobj,
@@ -891,7 +891,7 @@ EXPORT_SYMBOL_GPL(acpi_cppc_processor_probe);
/**
* acpi_cppc_processor_exit - Cleanup CPC structs.
- * @pr: Ptr to acpi_processor containing this CPUs logical Id.
+ * @pr: Ptr to acpi_processor containing this CPU's logical ID.
*
* Return: Void
*/
@@ -931,7 +931,7 @@ EXPORT_SYMBOL_GPL(acpi_cppc_processor_exit);
/**
* cpc_read_ffh() - Read FFH register
- * @cpunum: cpu number to read
+ * @cpunum: CPU number to read
* @reg: cppc register information
* @val: place holder for return value
*
@@ -946,7 +946,7 @@ int __weak cpc_read_ffh(int cpunum, struct cpc_reg *reg, u64 *val)
/**
* cpc_write_ffh() - Write FFH register
- * @cpunum: cpu number to write
+ * @cpunum: CPU number to write
* @reg: cppc register information
* @val: value to write
*
@@ -1093,7 +1093,7 @@ int cppc_get_desired_perf(int cpunum, u64 *desired_perf)
EXPORT_SYMBOL_GPL(cppc_get_desired_perf);
/**
- * cppc_get_perf_caps - Get a CPUs performance capabilities.
+ * 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
*
@@ -1178,7 +1178,7 @@ int cppc_get_perf_caps(int cpunum, struct cppc_perf_caps *perf_caps)
EXPORT_SYMBOL_GPL(cppc_get_perf_caps);
/**
- * cppc_get_perf_ctrs - Read a CPUs performance feedback counters.
+ * cppc_get_perf_ctrs - Read a CPU's performance feedback counters.
* @cpunum: CPU from which to read counters.
* @perf_fb_ctrs: ptr to cppc_perf_fb_ctrs. See cppc_acpi.h
*
@@ -1205,7 +1205,7 @@ int cppc_get_perf_ctrs(int cpunum, struct cppc_perf_fb_ctrs *perf_fb_ctrs)
ctr_wrap_reg = &cpc_desc->cpc_regs[CTR_WRAP_TIME];
/*
- * If refernce perf register is not supported then we should
+ * If reference perf register is not supported then we should
* use the nominal perf value
*/
if (!CPC_SUPPORTED(ref_perf_reg))
@@ -1258,7 +1258,7 @@ int cppc_get_perf_ctrs(int cpunum, struct cppc_perf_fb_ctrs *perf_fb_ctrs)
EXPORT_SYMBOL_GPL(cppc_get_perf_ctrs);
/**
- * cppc_set_perf - Set a CPUs performance controls.
+ * cppc_set_perf - Set a CPU's performance controls.
* @cpu: CPU for which to set performance controls.
* @perf_ctrls: ptr to cppc_perf_ctrls. See cppc_acpi.h
*
@@ -1339,7 +1339,7 @@ int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls)
* executing the Phase-II.
* 2. Some other CPU has beaten this CPU to successfully execute the
* write_trylock and has already acquired the write_lock. We know for a
- * fact it(other CPU acquiring the write_lock) couldn't have happened
+ * fact it (other CPU acquiring the write_lock) couldn't have happened
* before this CPU's Phase-I as we held the read_lock.
* 3. Some other CPU executing pcc CMD_READ has stolen the
* down_write, in which case, send_pcc_cmd will check for pending