Merge branch 'acpi-misc'

* acpi-misc:
ACPI: dock: fix some coding style issues
ACPI: sysfs: fix some coding style issues
ACPI: PM: add a missed blank line after declarations
ACPI: custom_method: fix a coding style issue
ACPI: CPPC: fix some coding style issues
ACPI: button: fix some coding style issues
ACPI: battery: fix some coding style issues
ACPI: acpi_pad: add a missed blank line after declarations
ACPI: LPSS: add a missed blank line after declarations
ACPI: ipmi: remove useless return statement for void function
ACPI: processor: fix some coding style issues
ACPI: APD: fix a block comment align issue
ACPI: AC: fix some coding style issues
ACPI: fix various typos in comments

drivers/acpi/ac.c

···
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- *  acpi_ac.c - ACPI AC Adapter Driver ($Revision: 27 $)
+ *  acpi_ac.c - ACPI AC Adapter Driver (Revision: 27)
  *
  *  Copyright (C) 2001, 2002 Andy Grover <[e-mail]>
  *  Copyright (C) 2001, 2002 Paul Diefenbaugh <[e-mail]>
···
 struct acpi_ac {
 	struct power_supply *charger;
 	struct power_supply_desc charger_desc;
-	struct acpi_device * device;
+	struct acpi_device *device;
 	unsigned long long state;
 	struct notifier_block battery_nb;
 };
 
 #define to_acpi_ac(x) power_supply_get_drvdata(x)
 
-/* --------------------------------------------------------------------------
-                               AC Adapter Management
-   -------------------------------------------------------------------------- */
-
+/* AC Adapter Management */
 static int acpi_ac_get_state(struct acpi_ac *ac)
 {
 	acpi_status status = AE_OK;
···
 	return 0;
 }
 
-/* --------------------------------------------------------------------------
-                            sysfs I/F
-   -------------------------------------------------------------------------- */
+/* sysfs I/F */
 static int get_ac_property(struct power_supply *psy,
 			   enum power_supply_property psp,
 			   union power_supply_propval *val)
···
 	POWER_SUPPLY_PROP_ONLINE,
 };
 
-/* --------------------------------------------------------------------------
-                                   Driver Model
-   -------------------------------------------------------------------------- */
-
+/* Driver Model */
 static void acpi_ac_notify(struct acpi_device *device, u32 event)
 {
 	struct acpi_ac *ac = acpi_driver_data(device);
···
 		acpi_notifier_call_chain(device, event, (u32) ac->state);
 		kobject_uevent(&ac->charger->dev.kobj, KOBJ_CHANGE);
 	}
-
-	return;
 }
 
 static int acpi_ac_battery_notify(struct notifier_block *nb,
···
 	/*
 	 * On HP Pavilion dv6-6179er AC status notifications aren't triggered
 	 * when adapter is plugged/unplugged. However, battery status
-	 * notifcations are triggered when battery starts charging or
+	 * notifications are triggered when battery starts charging or
 	 * discharging. Re-reading AC status triggers lost AC notifications,
 	 * if AC status has changed.
 	 */
···
 	ac->battery_nb.notifier_call = acpi_ac_battery_notify;
 	register_acpi_notifier(&ac->battery_nb);
 end:
-	if (result) {
+	if (result)
 		kfree(ac);
-	}
 
 	return result;
 }
···
 static int acpi_ac_resume(struct device *dev)
 {
 	struct acpi_ac *ac;
-	unsigned old_state;
+	unsigned int old_state;
 
 	if (!dev)
 		return -EINVAL;
···
 	}
 
 	result = acpi_bus_register_driver(&acpi_ac_driver);
-	if (result < 0) {
+	if (result < 0)
 		return -ENODEV;
-	}
 
 	return 0;
 }

drivers/acpi/acpi_apd.c

···
 
 #endif
 
-/**
-* Create platform device during acpi scan attach handle.
-* Return value > 0 on success of creating device.
-*/
+/*
+ * Create platform device during acpi scan attach handle.
+ * Return value > 0 on success of creating device.
+ */
 static int acpi_apd_create_device(struct acpi_device *adev,
 				   const struct acpi_device_id *id)
 {

drivers/acpi/acpi_ipmi.c

···
 	ipmi_dev_release(ipmi_device);
 err_ref:
 	put_device(smi_data.dev);
-	return;
 }
 
 static void ipmi_bmc_gone(int iface)

drivers/acpi/acpi_lpss.c

···
 static int is_memory(struct acpi_resource *res, void *not_used)
 {
 	struct resource r;
+
 	return !acpi_dev_resource_memory(res, &r);
 }
 
···
 	if (pdata->dev_desc->resume_from_noirq) {
 		/* This is analogous to the acpi_lpss_suspend_noirq() case. */
 		int ret = acpi_lpss_do_poweroff_late(dev);
+
 		if (ret)
 			return ret;
 	}

drivers/acpi/acpi_pad.c

···
 static void exit_round_robin(unsigned int tsk_index)
 {
 	struct cpumask *pad_busy_cpus = to_cpumask(pad_busy_cpus_bits);
+
 	cpumask_clear_cpu(tsk_in_cpu[tsk_index], pad_busy_cpus);
 	tsk_in_cpu[tsk_index] = -1;
 }
···
 	struct device_attribute *attr, const char *buf, size_t count)
 {
 	unsigned long num;
+
 	if (kstrtoul(buf, 0, &num))
 		return -EINVAL;
 	if (num < 1 || num >= 100)
···
 	struct device_attribute *attr, const char *buf, size_t count)
 {
 	unsigned long num;
+
 	if (kstrtoul(buf, 0, &num))
 		return -EINVAL;
 	if (num < 1 || num >= 100)
···
 	struct device_attribute *attr, const char *buf, size_t count)
 {
 	unsigned long num;
+
 	if (kstrtoul(buf, 0, &num))
 		return -EINVAL;
 	mutex_lock(&isolated_cpus_lock);

drivers/acpi/acpi_processor.c

···
 DEFINE_PER_CPU(struct acpi_processor *, processors);
 EXPORT_PER_CPU_SYMBOL(processors);
 
-/* --------------------------------------------------------------------------
-                                Errata Handling
-   -------------------------------------------------------------------------- */
-
+/* Errata Handling */
 struct acpi_processor_errata errata __read_mostly;
 EXPORT_SYMBOL_GPL(errata);
 
···
 	return result;
 }
 
-/* --------------------------------------------------------------------------
-                                Initialization
-   -------------------------------------------------------------------------- */
-
+/* Initialization */
 #ifdef CONFIG_ACPI_HOTPLUG_CPU
 int __weak acpi_map_cpu(acpi_handle handle,
 		phys_cpuid_t physid, u32 acpi_id, int *pcpu)
···
 	 */
 	if (invalid_logical_cpuid(pr->id) || !cpu_present(pr->id)) {
 		int ret = acpi_processor_hotadd_init(pr);
+
 		if (ret)
 			return ret;
 	}
···
 }
 
 #ifdef CONFIG_ACPI_HOTPLUG_CPU
-/* --------------------------------------------------------------------------
-                                    Removal
-   -------------------------------------------------------------------------- */
-
+/* Removal */
 static void acpi_processor_remove(struct acpi_device *device)
 {
 	struct acpi_processor *pr;
···
 
 	info->count = last_index;
 
-      end:
+end:
 	kfree(buffer.pointer);
 
 	return ret;

drivers/acpi/acpi_video.c

···
 				break;
 		}
 	}
-	/* Ajust level_current to closest available level */
+	/* Adjust level_current to closest available level */
 	level_current += delta;
 	for (i = ACPI_VIDEO_FIRST_LEVEL; i < device->brightness->count; i++) {
 		l = device->brightness->levels[i];
···
 
 /*
  * Win8 requires setting bit2 of _DOS to let firmware know it shouldn't
- * preform any automatic brightness change on receiving a notification.
+ * perform any automatic brightness change on receiving a notification.
  */
 static int acpi_video_bus_start_devices(struct acpi_video_bus *video)
 {

drivers/acpi/apei/erst.c

···
 
 static struct acpi_table_erst *erst_tab;
 
-/* ERST Error Log Address Range atrributes */
+/* ERST Error Log Address Range attributes */
 #define ERST_RANGE_RESERVED	0x0001
 #define ERST_RANGE_NVRAM	0x0002
 #define ERST_RANGE_SLOW		0x0004

drivers/acpi/apei/hest.c

···
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * APEI Hardware Error Souce Table support
+ * APEI Hardware Error Source Table support
  *
  * HEST describes error sources in detail; communicates operational
  * parameters (i.e. severity levels, masking bits, and threshold

drivers/acpi/battery.c

···
 	ACPI_BATTERY_XINFO_PRESENT,
 	ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY,
 	/* On Lenovo Thinkpad models from 2010 and 2011, the power unit
-	   switches between mWh and mAh depending on whether the system
-	   is running on battery or not.  When mAh is the unit, most
-	   reported values are incorrect and need to be adjusted by
-	   10000/design_voltage.  Verified on x201, t410, t410s, and x220.
-	   Pre-2010 and 2012 models appear to always report in mWh and
-	   are thus unaffected (tested with t42, t61, t500, x200, x300,
-	   and x230).  Also, in mid-2012 Lenovo issued a BIOS update for
-	   the 2011 models that fixes the issue (tested on x220 with a
-	   post-1.29 BIOS), but as of Nov. 2012, no such update is
-	   available for the 2010 models.  */
+	 * switches between mWh and mAh depending on whether the system
+	 * is running on battery or not.  When mAh is the unit, most
+	 * reported values are incorrect and need to be adjusted by
+	 * 10000/design_voltage.  Verified on x201, t410, t410s, and x220.
+	 * Pre-2010 and 2012 models appear to always report in mWh and
+	 * are thus unaffected (tested with t42, t61, t500, x200, x300,
+	 * and x230).  Also, in mid-2012 Lenovo issued a BIOS update for
+	 *  the 2011 models that fixes the issue (tested on x220 with a
+	 * post-1.29 BIOS), but as of Nov. 2012, no such update is
+	 * available for the 2010 models.
+	 */
 	ACPI_BATTERY_QUIRK_THINKPAD_MAH,
 	/* for batteries reporting current capacity with design capacity
 	 * on a full charge, but showing degradation in full charge cap.
···
 	POWER_SUPPLY_PROP_SERIAL_NUMBER,
 };
 
-/* --------------------------------------------------------------------------
-                               Battery Management
-   -------------------------------------------------------------------------- */
+/* Battery Management */
 struct acpi_offsets {
 	size_t offset;		/* offset inside struct acpi_sbs_battery */
 	u8 mode;		/* int or string? */
···
 {
 	int i;
 	union acpi_object *element;
+
 	if (package->type != ACPI_TYPE_PACKAGE)
 		return -EFAULT;
 	for (i = 0; i < num; ++i) {
···
 		element = &package->package.elements[i];
 		if (offsets[i].mode) {
 			u8 *ptr = (u8 *)battery + offsets[i].offset;
+
 			if (element->type == ACPI_TYPE_STRING ||
 			    element->type == ACPI_TYPE_BUFFER)
 				strncpy(ptr, element->string.pointer, 32);
···
 		    battery->design_capacity_warning *
 		    10000 / battery->design_voltage;
 		/* Curiously, design_capacity_low, unlike the rest of them,
-		   is correct.  */
+		 *  is correct.
+		 */
 		/* capacity_granularity_* equal 1 on the systems tested, so
-		   it's impossible to tell if they would need an adjustment
-		   or not if their values were higher.  */
+		 * it's impossible to tell if they would need an adjustment
+		 * or not if their values were higher.
+		 */
 	}
 	if (test_bit(ACPI_BATTERY_QUIRK_DEGRADED_FULL_CHARGE, &battery->flags) &&
 	    battery->capacity_now > battery->full_charge_capacity)
···
 		if (ACPI_FAILURE(status)) {
 			acpi_handle_info(battery->device->handle,
 					 "%s evaluation failed: %s\n",
-					 use_bix ?"_BIX":"_BIF",
-				         acpi_format_exception(status));
+					 use_bix ? "_BIX":"_BIF",
+					 acpi_format_exception(status));
 		} else {
 			result = extract_battery_info(use_bix,
 						      battery,
···
 					char *buf)
 {
 	struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));
+
 	return sprintf(buf, "%d\n", battery->alarm * 1000);
 }
 
···
 {
 	unsigned long x;
 	struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));
+
 	if (sscanf(buf, "%lu\n", &x) == 1)
 		battery->alarm = x/1000;
 	if (acpi_battery_present(battery))
···
  * This function gets called right after the battery sysfs
  * attributes have been added, so that the drivers that
  * define custom sysfs attributes can add their own.
-*/
+ */
 static void battery_hook_add_battery(struct acpi_battery *battery)
 {
 	struct acpi_battery_hook *hook_node, *tmp;
···
 {
 	struct acpi_battery *battery = (struct acpi_battery *)private;
 	/* Note: the hardcoded offsets below have been extracted from
-	   the source code of dmidecode.  */
+	 * the source code of dmidecode.
+	 */
 	if (dm->type == DMI_ENTRY_PORTABLE_BATTERY && dm->length >= 8) {
 		const u8 *dmi_data = (const u8 *)(dm + 1);
 		int dmi_capacity = get_unaligned((const u16 *)(dmi_data + 6));
+
 		if (dm->length >= 18)
 			dmi_capacity *= dmi_data[17];
 		if (battery->design_capacity * battery->design_voltage / 1000
···
 
 	if (battery->power_unit && dmi_name_in_vendors("LENOVO")) {
 		const char *s;
+
 		s = dmi_get_system_info(DMI_PRODUCT_VERSION);
 		if (s && !strncasecmp(s, "ThinkPad", 8)) {
 			dmi_walk(find_battery, battery);
···
 	sysfs_add_battery(battery);
 }
 
-/* --------------------------------------------------------------------------
-                                 Driver Interface
-   -------------------------------------------------------------------------- */
-
+/* Driver Interface */
 static void acpi_battery_notify(struct acpi_device *device, u32 event)
 {
 	struct acpi_battery *battery = acpi_driver_data(device);
···
 		return;
 	old = battery->bat;
 	/*
-	* On Acer Aspire V5-573G notifications are sometimes triggered too
-	* early. For example, when AC is unplugged and notification is
-	* triggered, battery state is still reported as "Full", and changes to
-	* "Discharging" only after short delay, without any notification.
-	*/
+	 * On Acer Aspire V5-573G notifications are sometimes triggered too
+	 * early. For example, when AC is unplugged and notification is
+	 * triggered, battery state is still reported as "Full", and changes to
+	 * "Discharging" only after short delay, without any notification.
+	 */
 	if (battery_notification_delay_ms > 0)
 		msleep(battery_notification_delay_ms);
 	if (event == ACPI_BATTERY_NOTIFY_INFO)

drivers/acpi/button.c

···
 module_param(lid_report_interval, ulong, 0644);
 MODULE_PARM_DESC(lid_report_interval, "Interval (ms) between lid key events");
 
-/* --------------------------------------------------------------------------
-                              FS Interface (/proc)
-   -------------------------------------------------------------------------- */
-
+/* FS Interface (/proc) */
 static struct proc_dir_entry *acpi_button_dir;
 static struct proc_dir_entry *acpi_lid_dir;
 
···
 	return 0;
 }
 
-/* --------------------------------------------------------------------------
-                                Driver Interface
-   -------------------------------------------------------------------------- */
+/* Driver Interface */
 int acpi_lid_open(void)
 {
 	if (!lid_device)

drivers/acpi/cppc_acpi.c

···
 				(cpc)->cpc_entry.reg.space_id ==	\
 				ACPI_ADR_SPACE_PLATFORM_COMM)
 
-/* Evalutes to True if reg is a NULL register descriptor */
+/* Evaluates to True if reg is a NULL register descriptor */
 #define IS_NULL_REG(reg) ((reg)->space_id ==  ACPI_ADR_SPACE_SYSTEM_MEMORY && \
 				(reg)->address == 0 &&			\
 				(reg)->bit_width == 0 &&		\
 				(reg)->bit_offset == 0 &&		\
 				(reg)->access_width == 0)
 
-/* Evalutes to True if an optional cpc field is supported */
+/* Evaluates to True if an optional cpc field is supported */
 #define CPC_SUPPORTED(cpc) ((cpc)->type == ACPI_TYPE_INTEGER ?		\
 				!!(cpc)->cpc_entry.int_value :		\
 				!IS_NULL_REG(&(cpc)->cpc_entry.reg))
···
 		if (unlikely(ret)) {
 			for_each_possible_cpu(i) {
 				struct cpc_desc *desc = per_cpu(cpc_desc_ptr, i);
+
 				if (!desc)
 					continue;
 
···
 			cpc_ptr->cpc_regs[i-2].type = ACPI_TYPE_BUFFER;
 			memcpy(&cpc_ptr->cpc_regs[i-2].cpc_entry.reg, gas_t, sizeof(*gas_t));
 		} else {
-			pr_debug("Err in entry:%d in CPC table of CPU:%d \n", i, pr->id);
+			pr_debug("Err in entry:%d in CPC table of CPU:%d\n", i, pr->id);
 			goto out_free;
 		}
 	}
···
 	void __iomem *addr;
 	int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, pr->id);
 
-	if (pcc_ss_id >=0 && pcc_data[pcc_ss_id]) {
+	if (pcc_ss_id >= 0 && pcc_data[pcc_ss_id]) {
 		if (pcc_data[pcc_ss_id]->pcc_channel_acquired) {
 			pcc_data[pcc_ss_id]->refcount--;
 			if (!pcc_data[pcc_ss_id]->refcount) {
···
 				val, reg->bit_width);
 
 	switch (reg->bit_width) {
-		case 8:
-			*val = readb_relaxed(vaddr);
-			break;
-		case 16:
-			*val = readw_relaxed(vaddr);
-			break;
-		case 32:
-			*val = readl_relaxed(vaddr);
-			break;
-		case 64:
-			*val = readq_relaxed(vaddr);
-			break;
-		default:
-			pr_debug("Error: Cannot read %u bit width from PCC for ss: %d\n",
-				 reg->bit_width, pcc_ss_id);
-			ret_val = -EFAULT;
+	case 8:
+		*val = readb_relaxed(vaddr);
+		break;
+	case 16:
+		*val = readw_relaxed(vaddr);
+		break;
+	case 32:
+		*val = readl_relaxed(vaddr);
+		break;
+	case 64:
+		*val = readq_relaxed(vaddr);
+		break;
+	default:
+		pr_debug("Error: Cannot read %u bit width from PCC for ss: %d\n",
+			 reg->bit_width, pcc_ss_id);
+		ret_val = -EFAULT;
 	}
 
 	return ret_val;
···
 				val, reg->bit_width);
 
 	switch (reg->bit_width) {
-		case 8:
-			writeb_relaxed(val, vaddr);
-			break;
-		case 16:
-			writew_relaxed(val, vaddr);
-			break;
-		case 32:
-			writel_relaxed(val, vaddr);
-			break;
-		case 64:
-			writeq_relaxed(val, vaddr);
-			break;
-		default:
-			pr_debug("Error: Cannot write %u bit width to PCC for ss: %d\n",
-				 reg->bit_width, pcc_ss_id);
-			ret_val = -EFAULT;
-			break;
+	case 8:
+		writeb_relaxed(val, vaddr);
+		break;
+	case 16:
+		writew_relaxed(val, vaddr);
+		break;
+	case 32:
+		writel_relaxed(val, vaddr);
+		break;
+	case 64:
+		writeq_relaxed(val, vaddr);
+		break;
+	default:
+		pr_debug("Error: Cannot write %u bit width to PCC for ss: %d\n",
+			 reg->bit_width, pcc_ss_id);
+		ret_val = -EFAULT;
+		break;
 	}
 
 	return ret_val;
···
 	 * is still with OSPM.
 	 *   pending_pcc_write_cmd can also be cleared by a different CPU, if
 	 * there was a pcc CMD_READ waiting on down_write and it steals the lock
-	 * before the pcc CMD_WRITE is completed. pcc_send_cmd checks for this
+	 * before the pcc CMD_WRITE is completed. send_pcc_cmd checks for this
 	 * case during a CMD_READ and if there are pending writes it delivers
 	 * the write command before servicing the read command
 	 */
···
 /**
  * cppc_get_transition_latency - returns frequency transition latency in ns
  *
- * ACPI CPPC does not explicitly specifiy how a platform can specify the
- * transition latency for perfromance change requests. The closest we have
+ * ACPI CPPC does not explicitly specify how a platform can specify the
+ * transition latency for performance change requests. The closest we have
  * is the timing information from the PCCT tables which provides the info
  * on the number and frequency of PCC commands the platform can handle.
  */

drivers/acpi/custom_method.c

···
 
 /* /sys/kernel/debug/acpi/custom_method */
 
-static ssize_t cm_write(struct file *file, const char __user * user_buf,
+static ssize_t cm_write(struct file *file, const char __user *user_buf,
 			size_t count, loff_t *ppos)
 {
 	static char *buf;

drivers/acpi/device_pm.c

···
 int acpi_subsys_runtime_suspend(struct device *dev)
 {
 	int ret = pm_generic_runtime_suspend(dev);
+
 	return ret ? ret : acpi_dev_suspend(dev, true);
 }
 EXPORT_SYMBOL_GPL(acpi_subsys_runtime_suspend);
···
 int acpi_subsys_runtime_resume(struct device *dev)
 {
 	int ret = acpi_dev_resume(dev);
+
 	return ret ? ret : pm_generic_runtime_resume(dev);
 }
 EXPORT_SYMBOL_GPL(acpi_subsys_runtime_resume);
···
 int acpi_subsys_restore_early(struct device *dev)
 {
 	int ret = acpi_dev_resume(dev);
+
 	return ret ? ret : pm_generic_restore_early(dev);
 }
 EXPORT_SYMBOL_GPL(acpi_subsys_restore_early);

drivers/acpi/device_sysfs.c

···
 static void acpi_data_node_release(struct kobject *kobj)
 {
 	struct acpi_data_node *dn = to_data_node(kobj);
+
 	complete(&dn->kobj_done);
 }
 
···
  * Return: 0: no _HID and no _CID
  *         -EINVAL: output error
  *         -ENOMEM: output is truncated
-*/
+ */
 static int create_pnp_modalias(struct acpi_device *acpi_dev, char *modalias,
 			       int size)
 {
···
 /* sysfs file that shows description text from the ACPI _STR method */
 static ssize_t description_show(struct device *dev,
 				struct device_attribute *attr,
-				char *buf) {
+				char *buf)
+{
 	struct acpi_device *acpi_dev = to_acpi_device(dev);
 	int result;
 
···
 
 static ssize_t
 sun_show(struct device *dev, struct device_attribute *attr,
-	 char *buf) {
+	 char *buf)
+{
 	struct acpi_device *acpi_dev = to_acpi_device(dev);
 	acpi_status status;
 	unsigned long long sun;
···
 
 static ssize_t
 hrv_show(struct device *dev, struct device_attribute *attr,
-	 char *buf) {
+	 char *buf)
+{
 	struct acpi_device *acpi_dev = to_acpi_device(dev);
 	acpi_status status;
 	unsigned long long hrv;
···
 static DEVICE_ATTR_RO(hrv);
 
 static ssize_t status_show(struct device *dev, struct device_attribute *attr,
-				char *buf) {
+				char *buf)
+{
 	struct acpi_device *acpi_dev = to_acpi_device(dev);
 	acpi_status status;
 	unsigned long long sta;

drivers/acpi/dock.c

···
 
 		if (!acpi_device_enumerated(adev)) {
 			int ret = acpi_bus_scan(adev->handle);
+
 			if (ret)
 				dev_dbg(&adev->dev, "scan error %d\n", -ret);
 		}
···
 			  struct device_attribute *attr, char *buf)
 {
 	struct dock_station *dock_station = dev->platform_data;
+
 	return snprintf(buf, PAGE_SIZE, "%d\n", dock_station->flags);
 
 }
···
 	begin_undock(dock_station);
 	ret = handle_eject_request(dock_station, ACPI_NOTIFY_EJECT_REQUEST);
 	acpi_scan_lock_release();
-	return ret ? ret: count;
+	return ret ? ret : count;
 }
 static DEVICE_ATTR_WO(undock);
 
···
 {
 	unsigned long long lbuf;
 	struct dock_station *dock_station = dev->platform_data;
+
 	acpi_status status = acpi_evaluate_integer(dock_station->handle,
 					"_UID", NULL, &lbuf);
 	if (ACPI_FAILURE(status))
-	    return 0;
+		return 0;
 
 	return snprintf(buf, PAGE_SIZE, "%llx\n", lbuf);
 }

drivers/acpi/numa/hmat.c

···
 	/*
 	 * Skip offline nodes. This can happen when memory
 	 * marked EFI_MEMORY_SP, "specific purpose", is applied
-	 * to all the memory in a promixity domain leading to
+	 * to all the memory in a proximity domain leading to
 	 * the node being marked offline / unplugged, or if
 	 * memory-only "hotplug" node is offline.
 	 */

drivers/acpi/pmic/intel_pmic_chtcrc.c

···
 /*
  * We have no docs for the CHT Crystal Cove PMIC. The Asus Zenfone-2 kernel
  * code has 2 Crystal Cove regulator drivers, one calls the PMIC a "Crystal
- * Cove Plus" PMIC and talks about Cherry Trail, so presuambly that one
+ * Cove Plus" PMIC and talks about Cherry Trail, so presumably that one
  * could be used to get register info for the regulators if we need to
  * implement regulator support in the future.
  *

drivers/acpi/power.c

···
 	strcpy(acpi_device_class(device), ACPI_POWER_CLASS);
 	device->power.state = ACPI_STATE_UNKNOWN;
 
-	/* Evalute the object to get the system level and resource order. */
+	/* Evaluate the object to get the system level and resource order. */
 	status = acpi_evaluate_object(handle, NULL, NULL, &buffer);
 	if (ACPI_FAILURE(status))
 		goto err;

drivers/acpi/processor_perflib.c

···
  * acpi_processor_ppc_ost: Notify firmware the _PPC evaluation status
  * @handle: ACPI processor handle
  * @status: the status code of _PPC evaluation
- *	0: success. OSPM is now using the performance state specificed.
+ *	0: success. OSPM is now using the performance state specified.
  *	1: failure. OSPM has not changed the number of P-states in use
  */
 static void acpi_processor_ppc_ost(acpi_handle handle, int status)

drivers/acpi/resource.c

···
  * @preproc_data: Pointer passed to the caller's preprocessing routine.
  *
  * Evaluate the _CRS method for the given device node and process its output by
- * (1) executing the @preproc() rountine provided by the caller, passing the
+ * (1) executing the @preproc() routine provided by the caller, passing the
  * resource pointer and @preproc_data to it as arguments, for each ACPI resource
  * returned and (2) converting all of the returned ACPI resources into struct
  * resource objects if possible.  If the return value of @preproc() in step (1)

drivers/acpi/scan.c

···
 	 * prevents attempts to register device objects identical to those being
 	 * deleted from happening concurrently (such attempts result from
 	 * hotplug events handled via the ACPI hotplug workqueue).  It also will
-	 * run after all of the work items submitted previosuly, which helps
+	 * run after all of the work items submitted previously, which helps
 	 * those work items to ensure that they are not accessing stale device
 	 * objects.
 	 */