Merge tag 'acpi-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These are usual ACPICA code updates (although there are more of them
  than in the last few releases), a noticeable EC driver update (which
  mostly consists of cleanups, though), the device enumeration quirks
  handling rework from Hans, some updates eliminating unnecessary CPU
  cache flushing in some places (processor idle and system-wide PM code)
  and a bunch of assorted cleanups and fixes.

  Specifics:

   - Update ACPICA code in the kernel to the 20211217 upstream release
     including the following changes:

      - iASL/Disassembler: Additional support for NHLT table (Bob
        Moore).
      - Change a return_ACPI_STATUS (AE_BAD_PARAMETER) (Bob Moore).
      - Fix a couple of warnings under MSVC (Bob Moore).
      - iASL: Add TDEL table to both compiler/disassembler (Bob Moore).
      - iASL/NHLT table: "Specific Data" field support (Bob Moore).
      - Use original data_table_region pointer for accesses (Jessica
        Clarke).
      - Use original pointer for virtual origin tables (Jessica Clarke).
      - Macros: Remove ACPI_PHYSADDR_TO_PTR (Jessica Clarke).
      - Avoid subobject buffer overflow when validating RSDP signature
        (Jessica Clarke).
      - iASL: Add suppport for AGDI table (Ilkka Koskinen).
      - Hardware: Do not flush CPU cache when entering S4 and S5 (Kirill
        A. Shutemov).
      - Expand the ACPI_ACCESS_ definitions (Mark Langsdorf).
      - Utilities: Avoid deleting the same object twice in a row (Rafael
        Wysocki).
      - Executer: Fix REFCLASS_REFOF case in acpi_ex_opcode_1A_0T_1R()
        (Rafael Wysocki).
      - Fix AEST Processor generic resource substructure data field byte
        length (Shuuichirou Ishii).
      - Fix wrong interpretation of PCC address (Sudeep Holla).
      - Add support for PCC Opregion special context data (Sudeep
        Holla).

   - Implement OperationRegion handler for PCC Type 3 subtype (Sudeep
     Holla).

   - Introduce acpi_fetch_acpi_dev() as a replacement for
     acpi_bus_get_device() and use it in the ACPI subsystem (Rafael
     Wysocki).

   - Avoid using _CID for device enumaration if _HID is missing or
     invalid (Rafael Wysocki).

   - Rework quirk handling during ACPI device enumeration and add some
     new quirks for known broken platforms (Hans de Goede).

   - Avoid unnecessary or redundant CPU cache flushing during system PM
     transitions (Kirill A. Shutemov).

   - Add PM debug messages related to power resources (Rafael Wysocki).

   - Fix kernel-doc comment in the PCI host bridge ACPI driver (Yang
     Li).

   - Rework flushing of EC work while suspended to idle and clean up the
     handling of events in the ACPI EC driver (Rafael Wysocki).

   - Prohibit ec_sys module parameter write_support from being used when
     the system is locked down (Hans de Goede).

   - Make the ACPI processor thermal driver use cpufreq_cpu_get() to
     check for presence of cpufreq policy (Manfred Spraul).

   - Avoid unnecessary CPU cache flushing in the ACPI processor idle
     driver (Kirill A. Shutemov).

   - Replace kernel.h with the necessary inclusions in the ACPI
     processor driver (Andy Shevchenko).

   - Use swap() instead of open coding it in the ACPI processor idle
     driver (Guo Zhengkui).

   - Fix the handling of defective LPAT in the ACPI xpower PMIC driver
     and clean up some definitions of PMIC data structures (Hans de
     Goede).

   - Fix outdated comment in the ACPI DPTF driver (Sumeet Pawnikar).

   - Add AEST to the list of known ACPI table signatures (Shuuichirou
     Ishii).

   - Make ACPI NUMA code take hotpluggable memblocks into account when
     CONFIG_MEMORY_HOTPLUG is not set (Vitaly Kuznetsov).

   - Use default_groups in kobj_type in the ACPI sysfs code (Greg
     Kroah-Hartman).

   - Rearrange _CPC structure documentation (Andy Shevchenko).

   - Drop an always true check from the ACPI thermal driver (Adam
     Borowski).

   - Add new "not charging" quirk for Lenovo ThinkPads to the ACPI
     battery driver (Thomas Weißschuh)"

* tag 'acpi-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (64 commits)
  ACPI: PCC: Implement OperationRegion handler for the PCC Type 3 subtype
  ACPI / x86: Skip AC and battery devices on x86 Android tablets with broken DSDTs
  ACPI / x86: Introduce an acpi_quirk_skip_acpi_ac_and_battery() helper
  ACPI: processor: thermal: avoid cpufreq_get_policy()
  serdev: Do not instantiate serdevs on boards with known bogus DSDT entries
  i2c: acpi: Do not instantiate I2C-clients on boards with known bogus DSDT entries
  ACPI / x86: Add acpi_quirk_skip_[i2c_client|serdev]_enumeration() helpers
  ACPI: scan: Create platform device for BCM4752 and LNV4752 ACPI nodes
  PCI/ACPI: Fix acpi_pci_osc_control_set() kernel-doc comment
  ACPI: battery: Add the ThinkPad "Not Charging" quirk
  ACPI: sysfs: use default_groups in kobj_type
  ACPICA: Update version to 20211217
  ACPICA: iASL/NHLT table: "Specific Data" field support
  ACPICA: iASL: Add suppport for AGDI table
  ACPICA: iASL: Add TDEL table to both compiler/disassembler
  ACPICA: Fixed a couple of warnings under MSVC
  ACPICA: Change a return_ACPI_STATUS (AE_BAD_PARAMETER)
  ACPICA: Hardware: Do not flush CPU cache when entering S4 and S5
  ACPICA: Add support for PCC Opregion special context data
  ACPICA: Fix wrong interpretation of PCC address
  ...

8 files changed, 47 insertions, 14 deletions

diff --git a/drivers/acpi/pmic/intel_pmic.c b/drivers/acpi/pmic/intel_pmic.c
index 9cde299eba88..f20dbda1a831 100644
--- a/drivers/acpi/pmic/intel_pmic.c
+++ b/drivers/acpi/pmic/intel_pmic.c
@@ -25,7 +25,7 @@ struct intel_pmic_opregion {
 	struct mutex lock;
 	struct acpi_lpat_conversion_table *lpat_table;
 	struct regmap *regmap;
-	struct intel_pmic_opregion_data *data;
+	const struct intel_pmic_opregion_data *data;
 	struct intel_pmic_regs_handler_ctx ctx;
 };
 
@@ -53,7 +53,7 @@ static acpi_status intel_pmic_power_handler(u32 function,
 {
 	struct intel_pmic_opregion *opregion = region_context;
 	struct regmap *regmap = opregion->regmap;
-	struct intel_pmic_opregion_data *d = opregion->data;
+	const struct intel_pmic_opregion_data *d = opregion->data;
 	int reg, bit, result;
 
 	if (bits != 32 || !value64)
@@ -95,7 +95,7 @@ static int pmic_read_temp(struct intel_pmic_opregion *opregion,
 		return 0;
 	}
 
-	temp = acpi_lpat_raw_to_temp(opregion->lpat_table, raw_temp);
+	temp = opregion->data->lpat_raw_to_temp(opregion->lpat_table, raw_temp);
 	if (temp < 0)
 		return temp;
 
@@ -135,7 +135,7 @@ static int pmic_thermal_aux(struct intel_pmic_opregion *opregion, int reg,
 static int pmic_thermal_pen(struct intel_pmic_opregion *opregion, int reg,
 			    int bit, u32 function, u64 *value)
 {
-	struct intel_pmic_opregion_data *d = opregion->data;
+	const struct intel_pmic_opregion_data *d = opregion->data;
 	struct regmap *regmap = opregion->regmap;
 
 	if (!d->get_policy || !d->update_policy)
@@ -171,7 +171,7 @@ static acpi_status intel_pmic_thermal_handler(u32 function,
 		void *handler_context, void *region_context)
 {
 	struct intel_pmic_opregion *opregion = region_context;
-	struct intel_pmic_opregion_data *d = opregion->data;
+	const struct intel_pmic_opregion_data *d = opregion->data;
 	int reg, bit, result;
 
 	if (bits != 32 || !value64)
@@ -255,7 +255,7 @@ static acpi_status intel_pmic_regs_handler(u32 function,
 
 int intel_pmic_install_opregion_handler(struct device *dev, acpi_handle handle,
 					struct regmap *regmap,
-					struct intel_pmic_opregion_data *d)
+					const struct intel_pmic_opregion_data *d)
 {
 	acpi_status status = AE_OK;
 	struct intel_pmic_opregion *opregion;
@@ -344,7 +344,7 @@ EXPORT_SYMBOL_GPL(intel_pmic_install_opregion_handler);
 int intel_soc_pmic_exec_mipi_pmic_seq_element(u16 i2c_address, u32 reg_address,
 					      u32 value, u32 mask)
 {
-	struct intel_pmic_opregion_data *d;
+	const struct intel_pmic_opregion_data *d;
 	int ret;
 
 	if (!intel_pmic_opregion) {
diff --git a/drivers/acpi/pmic/intel_pmic.h b/drivers/acpi/pmic/intel_pmic.h
index 89379476a1df..d956b03a6ca0 100644
--- a/drivers/acpi/pmic/intel_pmic.h
+++ b/drivers/acpi/pmic/intel_pmic.h
@@ -2,6 +2,8 @@
 #ifndef __INTEL_PMIC_H
 #define __INTEL_PMIC_H
 
+#include <acpi/acpi_lpat.h>
+
 struct pmic_table {
 	int address;	/* operation region address */
 	int reg;	/* corresponding thermal register */
@@ -17,6 +19,8 @@ struct intel_pmic_opregion_data {
 	int (*update_policy)(struct regmap *r, int reg, int bit, int enable);
 	int (*exec_mipi_pmic_seq_element)(struct regmap *r, u16 i2c_address,
 					  u32 reg_address, u32 value, u32 mask);
+	int (*lpat_raw_to_temp)(struct acpi_lpat_conversion_table *lpat_table,
+				int raw);
 	struct pmic_table *power_table;
 	int power_table_count;
 	struct pmic_table *thermal_table;
@@ -25,6 +29,8 @@ struct intel_pmic_opregion_data {
 	int pmic_i2c_address;
 };
 
-int intel_pmic_install_opregion_handler(struct device *dev, acpi_handle handle, struct regmap *regmap, struct intel_pmic_opregion_data *d);
+int intel_pmic_install_opregion_handler(struct device *dev, acpi_handle handle,
+					struct regmap *regmap,
+					const struct intel_pmic_opregion_data *d);
 
 #endif
diff --git a/drivers/acpi/pmic/intel_pmic_bxtwc.c b/drivers/acpi/pmic/intel_pmic_bxtwc.c
index bd7621edd60b..e247615189fa 100644
--- a/drivers/acpi/pmic/intel_pmic_bxtwc.c
+++ b/drivers/acpi/pmic/intel_pmic_bxtwc.c
@@ -369,13 +369,14 @@ intel_bxtwc_pmic_update_policy(struct regmap *regmap,
 	return regmap_update_bits(regmap, reg, mask, val);
 }
 
-static struct intel_pmic_opregion_data intel_bxtwc_pmic_opregion_data = {
+static const struct intel_pmic_opregion_data intel_bxtwc_pmic_opregion_data = {
 	.get_power      = intel_bxtwc_pmic_get_power,
 	.update_power   = intel_bxtwc_pmic_update_power,
 	.get_raw_temp   = intel_bxtwc_pmic_get_raw_temp,
 	.update_aux     = intel_bxtwc_pmic_update_aux,
 	.get_policy     = intel_bxtwc_pmic_get_policy,
 	.update_policy  = intel_bxtwc_pmic_update_policy,
+	.lpat_raw_to_temp = acpi_lpat_raw_to_temp,
 	.power_table      = power_table,
 	.power_table_count = ARRAY_SIZE(power_table),
 	.thermal_table     = thermal_table,
diff --git a/drivers/acpi/pmic/intel_pmic_bytcrc.c b/drivers/acpi/pmic/intel_pmic_bytcrc.c
index 2a692cc4b7ae..9ea79f210965 100644
--- a/drivers/acpi/pmic/intel_pmic_bytcrc.c
+++ b/drivers/acpi/pmic/intel_pmic_bytcrc.c
@@ -271,13 +271,14 @@ static int intel_crc_pmic_update_policy(struct regmap *regmap,
 	return 0;
 }
 
-static struct intel_pmic_opregion_data intel_crc_pmic_opregion_data = {
+static const struct intel_pmic_opregion_data intel_crc_pmic_opregion_data = {
 	.get_power	= intel_crc_pmic_get_power,
 	.update_power	= intel_crc_pmic_update_power,
 	.get_raw_temp	= intel_crc_pmic_get_raw_temp,
 	.update_aux	= intel_crc_pmic_update_aux,
 	.get_policy	= intel_crc_pmic_get_policy,
 	.update_policy	= intel_crc_pmic_update_policy,
+	.lpat_raw_to_temp = acpi_lpat_raw_to_temp,
 	.power_table	= power_table,
 	.power_table_count= ARRAY_SIZE(power_table),
 	.thermal_table	= thermal_table,
diff --git a/drivers/acpi/pmic/intel_pmic_chtcrc.c b/drivers/acpi/pmic/intel_pmic_chtcrc.c
index 2900dc3074d2..f9301c6f098e 100644
--- a/drivers/acpi/pmic/intel_pmic_chtcrc.c
+++ b/drivers/acpi/pmic/intel_pmic_chtcrc.c
@@ -23,7 +23,8 @@
  * intel_soc_pmic_exec_mipi_pmic_seq_element work on devices with a
  * CHT Crystal Cove PMIC.
  */
-static struct intel_pmic_opregion_data intel_chtcrc_pmic_opregion_data = {
+static const struct intel_pmic_opregion_data intel_chtcrc_pmic_opregion_data = {
+	.lpat_raw_to_temp = acpi_lpat_raw_to_temp,
 	.pmic_i2c_address = 0x6e,
 };
 
diff --git a/drivers/acpi/pmic/intel_pmic_chtdc_ti.c b/drivers/acpi/pmic/intel_pmic_chtdc_ti.c
index fef7831d0d63..418eec523025 100644
--- a/drivers/acpi/pmic/intel_pmic_chtdc_ti.c
+++ b/drivers/acpi/pmic/intel_pmic_chtdc_ti.c
@@ -94,10 +94,11 @@ static int chtdc_ti_pmic_get_raw_temp(struct regmap *regmap, int reg)
 	return ((buf[0] & 0x03) << 8) | buf[1];
 }
 
-static struct intel_pmic_opregion_data chtdc_ti_pmic_opregion_data = {
+static const struct intel_pmic_opregion_data chtdc_ti_pmic_opregion_data = {
 	.get_power = chtdc_ti_pmic_get_power,
 	.update_power = chtdc_ti_pmic_update_power,
 	.get_raw_temp = chtdc_ti_pmic_get_raw_temp,
+	.lpat_raw_to_temp = acpi_lpat_raw_to_temp,
 	.power_table = chtdc_ti_power_table,
 	.power_table_count = ARRAY_SIZE(chtdc_ti_power_table),
 	.thermal_table = chtdc_ti_thermal_table,
diff --git a/drivers/acpi/pmic/intel_pmic_chtwc.c b/drivers/acpi/pmic/intel_pmic_chtwc.c
index 7ffd5624b8e1..f2c42f4c79ca 100644
--- a/drivers/acpi/pmic/intel_pmic_chtwc.c
+++ b/drivers/acpi/pmic/intel_pmic_chtwc.c
@@ -253,10 +253,11 @@ static int intel_cht_wc_exec_mipi_pmic_seq_element(struct regmap *regmap,
  * The thermal table and ops are empty, we do not support the Thermal opregion
  * (DPTF) due to lacking documentation.
  */
-static struct intel_pmic_opregion_data intel_cht_wc_pmic_opregion_data = {
+static const struct intel_pmic_opregion_data intel_cht_wc_pmic_opregion_data = {
 	.get_power		= intel_cht_wc_pmic_get_power,
 	.update_power		= intel_cht_wc_pmic_update_power,
 	.exec_mipi_pmic_seq_element = intel_cht_wc_exec_mipi_pmic_seq_element,
+	.lpat_raw_to_temp	= acpi_lpat_raw_to_temp,
 	.power_table		= power_table,
 	.power_table_count	= ARRAY_SIZE(power_table),
 };
diff --git a/drivers/acpi/pmic/intel_pmic_xpower.c b/drivers/acpi/pmic/intel_pmic_xpower.c
index cbe08e600fa3..61bbe4c24d87 100644
--- a/drivers/acpi/pmic/intel_pmic_xpower.c
+++ b/drivers/acpi/pmic/intel_pmic_xpower.c
@@ -293,11 +293,33 @@ static int intel_xpower_exec_mipi_pmic_seq_element(struct regmap *regmap,
 	return ret;
 }
 
-static struct intel_pmic_opregion_data intel_xpower_pmic_opregion_data = {
+static int intel_xpower_lpat_raw_to_temp(struct acpi_lpat_conversion_table *lpat_table,
+					 int raw)
+{
+	struct acpi_lpat first = lpat_table->lpat[0];
+	struct acpi_lpat last = lpat_table->lpat[lpat_table->lpat_count - 1];
+
+	/*
+	 * Some LPAT tables in the ACPI Device for the AXP288 PMIC for some
+	 * reason only describe a small temperature range, e.g. 27° - 37°
+	 * Celcius. Resulting in errors when the tablet is idle in a cool room.
+	 *
+	 * To avoid these errors clamp the raw value to be inside the LPAT.
+	 */
+	if (first.raw < last.raw)
+		raw = clamp(raw, first.raw, last.raw);
+	else
+		raw = clamp(raw, last.raw, first.raw);
+
+	return acpi_lpat_raw_to_temp(lpat_table, raw);
+}
+
+static const struct intel_pmic_opregion_data intel_xpower_pmic_opregion_data = {
 	.get_power = intel_xpower_pmic_get_power,
 	.update_power = intel_xpower_pmic_update_power,
 	.get_raw_temp = intel_xpower_pmic_get_raw_temp,
 	.exec_mipi_pmic_seq_element = intel_xpower_exec_mipi_pmic_seq_element,
+	.lpat_raw_to_temp = intel_xpower_lpat_raw_to_temp,
 	.power_table = power_table,
 	.power_table_count = ARRAY_SIZE(power_table),
 	.thermal_table = thermal_table,