[PATCH 1/4] ACPI: Fix comment typos

From: helgaas
Date: Mon Mar 25 2019 - 14:34:20 EST

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From: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>

Fix some misspellings in comments. No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
---
drivers/acpi/acpi_dbg.c | 2 +-
drivers/acpi/acpi_lpat.c | 2 +-
drivers/acpi/cppc_acpi.c | 34 +++++++++++++-------------
drivers/acpi/power.c | 4 ++--
drivers/acpi/pptt.c | 48 ++++++++++++++++++-------------------
drivers/acpi/scan.c | 2 +-
drivers/acpi/spcr.c | 2 +-
drivers/acpi/video_detect.c | 2 +-
8 files changed, 48 insertions(+), 48 deletions(-)

diff --git a/drivers/acpi/acpi_dbg.c b/drivers/acpi/acpi_dbg.c
index 4a434c23a196..d18246a2a65e 100644
--- a/drivers/acpi/acpi_dbg.c
+++ b/drivers/acpi/acpi_dbg.c
@@ -390,7 +390,7 @@ static ssize_t acpi_aml_read_cmd(char *msg, size_t count)
return size > 0 ? size : ret;
}

-static int acpi_aml_thread(void *unsed)
+static int acpi_aml_thread(void *unused)
{
acpi_osd_exec_callback function = NULL;
void *context;
diff --git a/drivers/acpi/acpi_lpat.c b/drivers/acpi/acpi_lpat.c
index 2cd9f738812b..43f1b99c86ca 100644
--- a/drivers/acpi/acpi_lpat.c
+++ b/drivers/acpi/acpi_lpat.c
@@ -22,7 +22,7 @@
* LPAT conversion table
*
* @lpat_table: the temperature_raw mapping table structure
- * @raw: the raw value, used as a key to get the temerature from the
+ * @raw: the raw value, used as a key to get the temperature from the
* above mapping table
*
* A positive converted temperature value will be returned on success,
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 1b207fca1420..e947a1ec82f9 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
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 665e93ca0b40..87db3e124725 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -535,12 +535,12 @@ int acpi_device_sleep_wake(struct acpi_device *dev,
/*
* Try to execute _DSW first.
*
- * Three agruments are needed for the _DSW object:
+ * Three arguments are needed for the _DSW object:
* Argument 0: enable/disable the wake capabilities
* Argument 1: target system state
* Argument 2: target device state
* When _DSW object is called to disable the wake capabilities, maybe
- * the first argument is filled. The values of the other two agruments
+ * the first argument is filled. The values of the other two arguments
* are meaningless.
*/
in_arg[0].type = ACPI_TYPE_INTEGER;
diff --git a/drivers/acpi/pptt.c b/drivers/acpi/pptt.c
index 065c4fc245d1..b72e6afaa8fb 100644
--- a/drivers/acpi/pptt.c
+++ b/drivers/acpi/pptt.c
@@ -164,7 +164,7 @@ static struct acpi_pptt_cache *acpi_find_cache_level(struct acpi_table_header *t
}

/**
- * acpi_count_levels() - Given a PPTT table, and a cpu node, count the caches
+ * acpi_count_levels() - Given a PPTT table, and a CPU node, count the caches
* @table_hdr: Pointer to the head of the PPTT table
* @cpu_node: processor node we wish to count caches for
*
@@ -235,7 +235,7 @@ static int acpi_pptt_leaf_node(struct acpi_table_header *table_hdr,
/**
* acpi_find_processor_node() - Given a PPTT table find the requested processor
* @table_hdr: Pointer to the head of the PPTT table
- * @acpi_cpu_id: cpu we are searching for
+ * @acpi_cpu_id: CPU we are searching for
*
* Find the subtable entry describing the provided processor.
* This is done by iterating the PPTT table looking for processor nodes
@@ -456,21 +456,21 @@ static struct acpi_pptt_processor *acpi_find_processor_package_id(struct acpi_ta

static void acpi_pptt_warn_missing(void)
{
- pr_warn_once("No PPTT table found, cpu and cache topology may be inaccurate\n");
+ pr_warn_once("No PPTT table found, CPU and cache topology may be inaccurate\n");
}

/**
* topology_get_acpi_cpu_tag() - Find a unique topology value for a feature
* @table: Pointer to the head of the PPTT table
- * @cpu: Kernel logical cpu number
+ * @cpu: Kernel logical CPU number
* @level: A level that terminates the search
* @flag: A flag which terminates the search
*
- * Get a unique value given a cpu, and a topology level, that can be
+ * Get a unique value given a CPU, and a topology level, that can be
* matched to determine which cpus share common topological features
* at that level.
*
- * Return: Unique value, or -ENOENT if unable to locate cpu
+ * Return: Unique value, or -ENOENT if unable to locate CPU
*/
static int topology_get_acpi_cpu_tag(struct acpi_table_header *table,
unsigned int cpu, int level, int flag)
@@ -510,7 +510,7 @@ static int find_acpi_cpu_topology_tag(unsigned int cpu, int level, int flag)
return -ENOENT;
}
retval = topology_get_acpi_cpu_tag(table, cpu, level, flag);
- pr_debug("Topology Setup ACPI cpu %d, level %d ret = %d\n",
+ pr_debug("Topology Setup ACPI CPU %d, level %d ret = %d\n",
cpu, level, retval);
acpi_put_table(table);

@@ -519,9 +519,9 @@ static int find_acpi_cpu_topology_tag(unsigned int cpu, int level, int flag)

/**
* acpi_find_last_cache_level() - Determines the number of cache levels for a PE
- * @cpu: Kernel logical cpu number
+ * @cpu: Kernel logical CPU number
*
- * Given a logical cpu number, returns the number of levels of cache represented
+ * Given a logical CPU number, returns the number of levels of cache represented
* in the PPTT. Errors caused by lack of a PPTT table, or otherwise, return 0
* indicating we didn't find any cache levels.
*
@@ -534,7 +534,7 @@ int acpi_find_last_cache_level(unsigned int cpu)
int number_of_levels = 0;
acpi_status status;

- pr_debug("Cache Setup find last level cpu=%d\n", cpu);
+ pr_debug("Cache Setup find last level CPU=%d\n", cpu);

acpi_cpu_id = get_acpi_id_for_cpu(cpu);
status = acpi_get_table(ACPI_SIG_PPTT, 0, &table);
@@ -551,14 +551,14 @@ int acpi_find_last_cache_level(unsigned int cpu)

/**
* cache_setup_acpi() - Override CPU cache topology with data from the PPTT
- * @cpu: Kernel logical cpu number
+ * @cpu: Kernel logical CPU number
*
* Updates the global cache info provided by cpu_get_cacheinfo()
* when there are valid properties in the acpi_pptt_cache nodes. A
* successful parse may not result in any updates if none of the
- * cache levels have any valid flags set. Futher, a unique value is
+ * cache levels have any valid flags set. Further, a unique value is
* associated with each known CPU cache entry. This unique value
- * can be used to determine whether caches are shared between cpus.
+ * can be used to determine whether caches are shared between CPUs.
*
* Return: -ENOENT on failure to find table, or 0 on success
*/
@@ -567,7 +567,7 @@ int cache_setup_acpi(unsigned int cpu)
struct acpi_table_header *table;
acpi_status status;

- pr_debug("Cache Setup ACPI cpu %d\n", cpu);
+ pr_debug("Cache Setup ACPI CPU %d\n", cpu);

status = acpi_get_table(ACPI_SIG_PPTT, 0, &table);
if (ACPI_FAILURE(status)) {
@@ -582,8 +582,8 @@ int cache_setup_acpi(unsigned int cpu)
}

/**
- * find_acpi_cpu_topology() - Determine a unique topology value for a given cpu
- * @cpu: Kernel logical cpu number
+ * find_acpi_cpu_topology() - Determine a unique topology value for a given CPU
+ * @cpu: Kernel logical CPU number
* @level: The topological level for which we would like a unique ID
*
* Determine a topology unique ID for each thread/core/cluster/mc_grouping
@@ -596,7 +596,7 @@ int cache_setup_acpi(unsigned int cpu)
* other levels beyond this use a generated value to uniquely identify
* a topological feature.
*
- * Return: -ENOENT if the PPTT doesn't exist, or the cpu cannot be found.
+ * Return: -ENOENT if the PPTT doesn't exist, or the CPU cannot be found.
* Otherwise returns a value which represents a unique topological feature.
*/
int find_acpi_cpu_topology(unsigned int cpu, int level)
@@ -606,12 +606,12 @@ int find_acpi_cpu_topology(unsigned int cpu, int level)

/**
* find_acpi_cpu_cache_topology() - Determine a unique cache topology value
- * @cpu: Kernel logical cpu number
+ * @cpu: Kernel logical CPU number
* @level: The cache level for which we would like a unique ID
*
* Determine a unique ID for each unified cache in the system
*
- * Return: -ENOENT if the PPTT doesn't exist, or the cpu cannot be found.
+ * Return: -ENOENT if the PPTT doesn't exist, or the CPU cannot be found.
* Otherwise returns a value which represents a unique topological feature.
*/
int find_acpi_cpu_cache_topology(unsigned int cpu, int level)
@@ -643,17 +643,17 @@ int find_acpi_cpu_cache_topology(unsigned int cpu, int level)

/**
- * find_acpi_cpu_topology_package() - Determine a unique cpu package value
- * @cpu: Kernel logical cpu number
+ * find_acpi_cpu_topology_package() - Determine a unique CPU package value
+ * @cpu: Kernel logical CPU number
*
- * Determine a topology unique package ID for the given cpu.
+ * Determine a topology unique package ID for the given CPU.
* This ID can then be used to group peers, which will have matching ids.
*
* The search terminates when either a level is found with the PHYSICAL_PACKAGE
* flag set or we reach a root node.
*
- * Return: -ENOENT if the PPTT doesn't exist, or the cpu cannot be found.
- * Otherwise returns a value which represents the package for this cpu.
+ * Return: -ENOENT if the PPTT doesn't exist, or the CPU cannot be found.
+ * Otherwise returns a value which represents the package for this CPU.
*/
int find_acpi_cpu_topology_package(unsigned int cpu)
{
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 446c959a8f08..1b66fc835e39 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -895,7 +895,7 @@ static void acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
/*
* Call _PSW/_DSW object to disable its ability to wake the sleeping
* system for the ACPI device with the _PRW object.
- * The _PSW object is depreciated in ACPI 3.0 and is replaced by _DSW.
+ * The _PSW object is deprecated in ACPI 3.0 and is replaced by _DSW.
* So it is necessary to call _DSW object first. Only when it is not
* present will the _PSW object used.
*/
diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c
index c336784d0bcb..b34d05e365b7 100644
--- a/drivers/acpi/spcr.c
+++ b/drivers/acpi/spcr.c
@@ -28,7 +28,7 @@ EXPORT_SYMBOL(qdf2400_e44_present);

/*
* Some Qualcomm Datacenter Technologies SoCs have a defective UART BUSY bit.
- * Detect them by examining the OEM fields in the SPCR header, similiar to PCI
+ * Detect them by examining the OEM fields in the SPCR header, similar to PCI
* quirk detection in pci_mcfg.c.
*/
static bool qdf2400_erratum_44_present(struct acpi_table_header *h)
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 43587ac680e4..cc2888930fe9 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -112,7 +112,7 @@ static int video_detect_force_none(const struct dmi_system_id *d)
static const struct dmi_system_id video_detect_dmi_table[] = {
/* On Samsung X360, the BIOS will set a flag (VDRV) if generic
* ACPI backlight device is used. This flag will definitively break
- * the backlight interface (even the vendor interface) untill next
+ * the backlight interface (even the vendor interface) until next
* reboot. It's why we should prevent video.ko from being used here
* and we can't rely on a later call to acpi_video_unregister().
*/
--
2.21.0.392.gf8f6787159e-goog

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