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-rw-r--r--drivers/acpi/ac.c30
-rw-r--r--drivers/acpi/acpi_apd.c8
-rw-r--r--drivers/acpi/acpi_ipmi.c1
-rw-r--r--drivers/acpi/acpi_lpss.c2
-rw-r--r--drivers/acpi/acpi_memhotplug.c5
-rw-r--r--drivers/acpi/acpi_pad.c4
-rw-r--r--drivers/acpi/acpi_processor.c51
-rw-r--r--drivers/acpi/acpi_video.c43
-rw-r--r--drivers/acpi/acpica/acpredef.h15
-rw-r--r--drivers/acpi/acpica/acresrc.h4
-rw-r--r--drivers/acpi/acpica/acutils.h1
-rw-r--r--drivers/acpi/acpica/amlresrc.h19
-rw-r--r--drivers/acpi/acpica/rscalc.c4
-rw-r--r--drivers/acpi/acpica/rsdump.c8
-rw-r--r--drivers/acpi/acpica/rsdumpinfo.c26
-rw-r--r--drivers/acpi/acpica/rsinfo.c6
-rw-r--r--drivers/acpi/acpica/rslist.c9
-rw-r--r--drivers/acpi/acpica/rsmisc.c19
-rw-r--r--drivers/acpi/acpica/rsserial.c75
-rw-r--r--drivers/acpi/acpica/utresdecode.c10
-rw-r--r--drivers/acpi/acpica/utresrc.c1
-rw-r--r--drivers/acpi/apei/einj.c1
-rw-r--r--drivers/acpi/apei/erst.c2
-rw-r--r--drivers/acpi/apei/hest.c2
-rw-r--r--drivers/acpi/arm64/gtdt.c10
-rw-r--r--drivers/acpi/arm64/iort.c13
-rw-r--r--drivers/acpi/battery.c63
-rw-r--r--drivers/acpi/button.c9
-rw-r--r--drivers/acpi/cppc_acpi.c96
-rw-r--r--drivers/acpi/custom_method.c6
-rw-r--r--drivers/acpi/device_pm.c3
-rw-r--r--drivers/acpi/device_sysfs.c19
-rw-r--r--drivers/acpi/dock.c7
-rw-r--r--drivers/acpi/glue.c8
-rw-r--r--drivers/acpi/hed.c1
-rw-r--r--drivers/acpi/internal.h3
-rw-r--r--drivers/acpi/irq.c6
-rw-r--r--drivers/acpi/nfit/core.c5
-rw-r--r--drivers/acpi/numa/hmat.c5
-rw-r--r--drivers/acpi/pci_irq.c34
-rw-r--r--drivers/acpi/pci_link.c164
-rw-r--r--drivers/acpi/pci_mcfg.c7
-rw-r--r--drivers/acpi/pmic/intel_pmic_chtcrc.c2
-rw-r--r--drivers/acpi/power.c16
-rw-r--r--drivers/acpi/processor_driver.c6
-rw-r--r--drivers/acpi/processor_idle.c38
-rw-r--r--drivers/acpi/processor_pdc.c7
-rw-r--r--drivers/acpi/processor_perflib.c50
-rw-r--r--drivers/acpi/processor_throttling.c102
-rw-r--r--drivers/acpi/resource.c2
-rw-r--r--drivers/acpi/scan.c176
-rw-r--r--drivers/acpi/sysfs.c14
-rw-r--r--drivers/acpi/utils.c37
-rw-r--r--drivers/acpi/video_detect.c24
54 files changed, 709 insertions, 570 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index b41180330cc1..b0cb662233f1 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -1,6 +1,6 @@
// 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 <andrew.grover@intel.com>
* Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
@@ -78,17 +78,14 @@ static struct acpi_driver acpi_ac_driver = {
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;
@@ -109,9 +106,7 @@ static int acpi_ac_get_state(struct acpi_ac *ac)
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)
@@ -138,10 +133,7 @@ static enum power_supply_property ac_props[] = {
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);
@@ -174,8 +166,6 @@ static void acpi_ac_notify(struct acpi_device *device, u32 event)
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,
@@ -187,7 +177,7 @@ 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.
*/
@@ -282,9 +272,8 @@ static int acpi_ac_add(struct acpi_device *device)
ac->battery_nb.notifier_call = acpi_ac_battery_notify;
register_acpi_notifier(&ac->battery_nb);
end:
- if (result) {
+ if (result)
kfree(ac);
- }
return result;
}
@@ -293,7 +282,7 @@ end:
static int acpi_ac_resume(struct device *dev)
{
struct acpi_ac *ac;
- unsigned old_state;
+ unsigned int old_state;
if (!dev)
return -EINVAL;
@@ -352,9 +341,8 @@ static int __init acpi_ac_init(void)
}
result = acpi_bus_register_driver(&acpi_ac_driver);
- if (result < 0) {
+ if (result < 0)
return -ENODEV;
- }
return 0;
}
diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index 39359ce0eb2c..0ec5b3f69112 100644
--- a/drivers/acpi/acpi_apd.c
+++ b/drivers/acpi/acpi_apd.c
@@ -176,10 +176,10 @@ static const struct apd_device_desc hip08_spi_desc = {
#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)
{
diff --git a/drivers/acpi/acpi_ipmi.c b/drivers/acpi/acpi_ipmi.c
index 9d6c0fc120d7..bbd00d96b7a8 100644
--- a/drivers/acpi/acpi_ipmi.c
+++ b/drivers/acpi/acpi_ipmi.c
@@ -478,7 +478,6 @@ err_lock:
ipmi_dev_release(ipmi_device);
err_ref:
put_device(smi_data.dev);
- return;
}
static void ipmi_bmc_gone(int iface)
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index be73974ce449..ca742f16a507 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -377,6 +377,7 @@ static const struct acpi_device_id acpi_lpss_device_ids[] = {
static int is_memory(struct acpi_resource *res, void *not_used)
{
struct resource r;
+
return !acpi_dev_resource_memory(res, &r);
}
@@ -1200,6 +1201,7 @@ static int acpi_lpss_poweroff_noirq(struct device *dev)
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;
}
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index b02fd51e5589..8cc195c4c861 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -171,6 +171,7 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
acpi_handle handle = mem_device->device->handle;
int result, num_enabled = 0;
struct acpi_memory_info *info;
+ mhp_t mhp_flags = MHP_NONE;
int node;
node = acpi_get_node(handle);
@@ -194,8 +195,10 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
if (node < 0)
node = memory_add_physaddr_to_nid(info->start_addr);
+ if (mhp_supports_memmap_on_memory(info->length))
+ mhp_flags |= MHP_MEMMAP_ON_MEMORY;
result = __add_memory(node, info->start_addr, info->length,
- MHP_NONE);
+ mhp_flags);
/*
* If the memory block has been used by the kernel, add_memory()
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index b84ab722feb4..df4adeb335b2 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -128,6 +128,7 @@ static void round_robin_cpu(unsigned int tsk_index)
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;
}
@@ -265,6 +266,7 @@ static ssize_t rrtime_store(struct device *dev,
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)
@@ -286,6 +288,7 @@ static ssize_t idlepct_store(struct device *dev,
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)
@@ -307,6 +310,7 @@ static ssize_t idlecpus_store(struct device *dev,
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);
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index 2ee5e05a0d69..2d5bd2a6ddce 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -22,17 +22,10 @@
#include "internal.h"
-#define _COMPONENT ACPI_PROCESSOR_COMPONENT
-
-ACPI_MODULE_NAME("processor");
-
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);
@@ -51,19 +44,19 @@ static int acpi_processor_errata_piix4(struct pci_dev *dev)
switch (dev->revision) {
case 0:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4 A-step\n"));
+ dev_dbg(&dev->dev, "Found PIIX4 A-step\n");
break;
case 1:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4 B-step\n"));
+ dev_dbg(&dev->dev, "Found PIIX4 B-step\n");
break;
case 2:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4E\n"));
+ dev_dbg(&dev->dev, "Found PIIX4E\n");
break;
case 3:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4M\n"));
+ dev_dbg(&dev->dev, "Found PIIX4M\n");
break;
default:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found unknown PIIX4\n"));
+ dev_dbg(&dev->dev, "Found unknown PIIX4\n");
break;
}
@@ -129,11 +122,9 @@ static int acpi_processor_errata_piix4(struct pci_dev *dev)
}
if (errata.piix4.bmisx)
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Bus master activity detection (BM-IDE) erratum enabled\n"));
+ dev_dbg(&dev->dev, "Bus master activity detection (BM-IDE) erratum enabled\n");
if (errata.piix4.fdma)
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Type-F DMA livelock erratum (C3 disabled)\n"));
+ dev_dbg(&dev->dev, "Type-F DMA livelock erratum (C3 disabled)\n");
return 0;
}
@@ -157,10 +148,7 @@ static int acpi_processor_errata(void)
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)
@@ -244,11 +232,9 @@ static int acpi_processor_get_info(struct acpi_device *device)
*/
if (acpi_gbl_FADT.pm2_control_block && acpi_gbl_FADT.pm2_control_length) {
pr->flags.bm_control = 1;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Bus mastering arbitration control present\n"));
+ dev_dbg(&device->dev, "Bus mastering arbitration control present\n");
} else
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "No bus mastering arbitration control\n"));
+ dev_dbg(&device->dev, "No bus mastering arbitration control\n");
if (!strcmp(acpi_device_hid(device), ACPI_PROCESSOR_OBJECT_HID)) {
/* Declared with "Processor" statement; match ProcessorID */
@@ -291,7 +277,7 @@ static int acpi_processor_get_info(struct acpi_device *device)
pr->phys_id = acpi_get_phys_id(pr->handle, device_declaration,
pr->acpi_id);
if (invalid_phys_cpuid(pr->phys_id))
- acpi_handle_debug(pr->handle, "failed to get CPU physical ID.\n");
+ dev_dbg(&device->dev, "Failed to get CPU physical ID.\n");
pr->id = acpi_map_cpuid(pr->phys_id, pr->acpi_id);
if (!cpu0_initialized && !acpi_has_cpu_in_madt()) {
@@ -314,6 +300,7 @@ static int acpi_processor_get_info(struct acpi_device *device)
*/
if (invalid_logical_cpuid(pr->id) || !cpu_present(pr->id)) {
int ret = acpi_processor_hotadd_init(pr);
+
if (ret)
return ret;
}
@@ -328,11 +315,10 @@ static int acpi_processor_get_info(struct acpi_device *device)
* CPU+CPU ID.
*/
sprintf(acpi_device_bid(device), "CPU%X", pr->id);
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Processor [%d:%d]\n", pr->id,
- pr->acpi_id));
+ dev_dbg(&device->dev, "Processor [%d:%d]\n", pr->id, pr->acpi_id);
if (!object.processor.pblk_address)
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No PBLK (NULL address)\n"));
+ dev_dbg(&device->dev, "No PBLK (NULL address)\n");
else if (object.processor.pblk_length != 6)
dev_err(&device->dev, "Invalid PBLK length [%d]\n",
object.processor.pblk_length);
@@ -440,10 +426,7 @@ static int acpi_processor_add(struct acpi_device *device,
}
#ifdef CONFIG_ACPI_HOTPLUG_CPU
-/* --------------------------------------------------------------------------
- Removal
- -------------------------------------------------------------------------- */
-
+/* Removal */
static void acpi_processor_remove(struct acpi_device *device)
{
struct acpi_processor *pr;
@@ -901,7 +884,7 @@ int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
info->count = last_index;
- end:
+end:
kfree(buffer.pointer);
return ret;
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 2ea1781290cc..0c884020f74b 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -1392,7 +1392,7 @@ acpi_video_get_next_level(struct acpi_video_device *device,
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];
@@ -1555,7 +1555,7 @@ acpi_video_bus_get_devices(struct acpi_video_bus *video,
/*
* 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)
{
@@ -2182,6 +2182,30 @@ static bool dmi_is_desktop(void)
return false;
}
+/*
+ * We're seeing a lot of bogus backlight interfaces on newer machines
+ * without a LCD such as desktops, servers and HDMI sticks. Checking the
+ * lcd flag fixes this, enable this by default on any machines which are:
+ * 1. Win8 ready (where we also prefer the native backlight driver, so
+ * normally the acpi_video code should not register there anyways); *and*
+ * 2.1 Report a desktop/server DMI chassis-type, or
+ * 2.2 Are an ACPI-reduced-hardware platform (and thus won't use the EC for
+ backlight control)
+ */
+static bool should_check_lcd_flag(void)
+{
+ if (!acpi_osi_is_win8())
+ return false;
+
+ if (dmi_is_desktop())
+ return true;
+
+ if (acpi_reduced_hardware())
+ return true;
+
+ return false;
+}
+
int acpi_video_register(void)
{
int ret = 0;
@@ -2195,19 +2219,8 @@ int acpi_video_register(void)
goto leave;
}
- /*
- * We're seeing a lot of bogus backlight interfaces on newer machines
- * without a LCD such as desktops, servers and HDMI sticks. Checking
- * the lcd flag fixes this, so enable this on any machines which are
- * win8 ready (where we also prefer the native backlight driver, so
- * normally the acpi_video code should not register there anyways).
- */
- if (only_lcd == -1) {
- if (dmi_is_desktop() && acpi_osi_is_win8())
- only_lcd = true;
- else
- only_lcd = false;
- }
+ if (only_lcd == -1)
+ only_lcd = should_check_lcd_flag();
dmi_check_system(video_dmi_table);
diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h
index 15cf904f0751..5951b433c304 100644
--- a/drivers/acpi/acpica/acpredef.h
+++ b/drivers/acpi/acpica/acpredef.h
@@ -328,6 +328,17 @@ const union acpi_predefined_info acpi_gbl_predefined_methods[] = {
{{"_BMS", METHOD_1ARGS(ACPI_TYPE_INTEGER),
METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+ {{"_BPC", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (4 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0, 0, 0),
+
+ {{"_BPS", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (5 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 5, 0, 0, 0),
+
+ {{"_BPT", METHOD_1ARGS(ACPI_TYPE_PACKAGE),
+ METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
{{"_BQC", METHOD_0ARGS,
METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
@@ -347,6 +358,10 @@ const union acpi_predefined_info acpi_gbl_predefined_methods[] = {
{{"_CBA", METHOD_0ARGS,
METHOD_RETURNS(ACPI_RTYPE_INTEGER)}}, /* See PCI firmware spec 3.0 */
+ {{"_CBR", METHOD_0ARGS,
+ METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}}, /* Fixed-length (3 Int) */
+ PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 3, 0, 0, 0),
+
{{"_CCA", METHOD_0ARGS,
METHOD_RETURNS(ACPI_RTYPE_INTEGER)}}, /* ACPI 5.1 */
diff --git a/drivers/acpi/acpica/acresrc.h b/drivers/acpi/acpica/acresrc.h
index 0cb975a3e01d..37c47e185fd4 100644
--- a/drivers/acpi/acpica/acresrc.h
+++ b/drivers/acpi/acpica/acresrc.h
@@ -46,6 +46,7 @@ typedef enum {
ACPI_RSC_1BITFLAG,
ACPI_RSC_2BITFLAG,
ACPI_RSC_3BITFLAG,
+ ACPI_RSC_6BITFLAG,
ACPI_RSC_ADDRESS,
ACPI_RSC_BITMASK,
ACPI_RSC_BITMASK16,
@@ -102,6 +103,7 @@ typedef enum {
ACPI_RSD_1BITFLAG,
ACPI_RSD_2BITFLAG,
ACPI_RSD_3BITFLAG,
+ ACPI_RSD_6BITFLAG,
ACPI_RSD_ADDRESS,
ACPI_RSD_DWORDLIST,
ACPI_RSD_LITERAL,
@@ -295,6 +297,7 @@ extern struct acpi_rsconvert_info acpi_rs_convert_address64[];
extern struct acpi_rsconvert_info acpi_rs_convert_ext_address64[];
extern struct acpi_rsconvert_info acpi_rs_convert_gpio[];
extern struct acpi_rsconvert_info acpi_rs_convert_fixed_dma[];
+extern struct acpi_rsconvert_info acpi_rs_convert_csi2_serial_bus[];
extern struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[];
extern struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[];
extern struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[];
@@ -349,6 +352,7 @@ extern struct acpi_rsdump_info acpi_rs_dump_gpio[];
extern struct acpi_rsdump_info acpi_rs_dump_pin_function[];
extern struct acpi_rsdump_info acpi_rs_dump_fixed_dma[];
extern struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[];
+extern struct acpi_rsdump_info acpi_rs_dump_csi2_serial_bus[];
extern struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[];
extern struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[];
extern struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[];
diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index be6de7149e67..bccae0d3db75 100644
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -28,6 +28,7 @@ extern const char *acpi_gbl_max_decode[];
extern const char *acpi_gbl_mem_decode[];
extern const char *acpi_gbl_min_decode[];
extern const char *acpi_gbl_mtp_decode[];
+extern const char *acpi_gbl_phy_decode[];
extern const char *acpi_gbl_rng_decode[];
extern const char *acpi_gbl_rw_decode[];
extern const char *acpi_gbl_shr_decode[];
diff --git a/drivers/acpi/acpica/amlresrc.h b/drivers/acpi/acpica/amlresrc.h
index a9d91a3c2994..b98123210281 100644
--- a/drivers/acpi/acpica/amlresrc.h
+++ b/drivers/acpi/acpica/amlresrc.h
@@ -40,6 +40,7 @@
#define ACPI_RESTAG_IORESTRICTION "_IOR"
#define ACPI_RESTAG_LENGTH "_LEN"
#define ACPI_RESTAG_LINE "_LIN"
+#define ACPI_RESTAG_LOCALPORT "_PRT"
#define ACPI_RESTAG_MEMATTRIBUTES "_MTP" /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
#define ACPI_RESTAG_MEMTYPE "_MEM" /* non_cache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
#define ACPI_RESTAG_MAXADDR "_MAX"
@@ -49,6 +50,7 @@
#define ACPI_RESTAG_MODE "_MOD"
#define ACPI_RESTAG_PARITY "_PAR"
#define ACPI_RESTAG_PHASE "_PHA"
+#define ACPI_RESTAG_PHYTYPE "_PHY"
#define ACPI_RESTAG_PIN "_PIN"
#define ACPI_RESTAG_PINCONFIG "_PPI"
#define ACPI_RESTAG_PINCONFIG_TYPE "_TYP"
@@ -316,12 +318,26 @@ struct aml_resource_gpio {
#define AML_RESOURCE_I2C_SERIALBUSTYPE 1
#define AML_RESOURCE_SPI_SERIALBUSTYPE 2
#define AML_RESOURCE_UART_SERIALBUSTYPE 3
-#define AML_RESOURCE_MAX_SERIALBUSTYPE 3
+#define AML_RESOURCE_CSI2_SERIALBUSTYPE 4
+#define AML_RESOURCE_MAX_SERIALBUSTYPE 4
#define AML_RESOURCE_VENDOR_SERIALBUSTYPE 192 /* Vendor defined is 0xC0-0xFF (NOT SUPPORTED) */
struct aml_resource_common_serialbus {
AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_SERIAL_COMMON};
+struct aml_resource_csi2_serialbus {
+ AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_SERIAL_COMMON
+ /*
+ * Optional fields follow immediately:
+ * 1) Vendor Data bytes
+ * 2) Resource Source String
+ */
+};
+
+#define AML_RESOURCE_CSI2_REVISION 1 /* ACPI 6.4 */
+#define AML_RESOURCE_CSI2_TYPE_REVISION 1 /* ACPI 6.4 */
+#define AML_RESOURCE_CSI2_MIN_DATA_LEN 0 /* ACPI 6.4 */
+
struct aml_resource_i2c_serialbus {
AML_RESOURCE_LARGE_HEADER_COMMON
AML_RESOURCE_SERIAL_COMMON u32 connection_speed;
@@ -510,6 +526,7 @@ union aml_resource {
struct aml_resource_i2c_serialbus i2c_serial_bus;
struct aml_resource_spi_serialbus spi_serial_bus;
struct aml_resource_uart_serialbus uart_serial_bus;
+ struct aml_resource_csi2_serialbus csi2_serial_bus;
struct aml_resource_common_serialbus common_serial_bus;
struct aml_resource_pin_function pin_function;
struct aml_resource_pin_config pin_config;
diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c
index fcf129d27baa..90583db459a2 100644
--- a/drivers/acpi/acpica/rscalc.c
+++ b/drivers/acpi/acpica/rscalc.c
@@ -677,10 +677,10 @@ acpi_rs_get_list_length(u8 *aml_buffer,
*size_needed += buffer_size;
ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
- "Type %.2X, AmlLength %.2X InternalLength %.2X\n",
+ "Type %.2X, AmlLength %.2X InternalLength %.2X%8X\n",
acpi_ut_get_resource_type(aml_buffer),
acpi_ut_get_descriptor_length(aml_buffer),
- buffer_size));
+ ACPI_FORMAT_UINT64(*size_needed)));
/*
* Point to the next resource within the AML stream using the length
diff --git a/drivers/acpi/acpica/rsdump.c b/drivers/acpi/acpica/rsdump.c
index 6601e71b45e3..611bc71c193f 100644
--- a/drivers/acpi/acpica/rsdump.c
+++ b/drivers/acpi/acpica/rsdump.c
@@ -87,6 +87,9 @@ void acpi_rs_dump_resource_list(struct acpi_resource *resource_list)
("Invalid descriptor type (%X) in resource list\n",
resource_list->type);
return;
+ } else if (!resource_list->type) {
+ ACPI_ERROR((AE_INFO, "Invalid Zero Resource Type"));
+ return;
}
/* Sanity check the length. It must not be zero, or we loop forever */
@@ -258,6 +261,11 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
table->pointer[*target & 0x07]);
break;
+ case ACPI_RSD_6BITFLAG:
+
+ acpi_rs_out_integer8(name, (ACPI_GET8(target) & 0x3F));
+ break;
+
case ACPI_RSD_SHORTLIST:
/*
* Short byte list (single line output) for DMA and IRQ resources
diff --git a/drivers/acpi/acpica/rsdumpinfo.c b/drivers/acpi/acpica/rsdumpinfo.c
index cafa8134b4c6..b8b37449011b 100644
--- a/drivers/acpi/acpica/rsdumpinfo.c
+++ b/drivers/acpi/acpica/rsdumpinfo.c
@@ -421,6 +421,32 @@ struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[11] = {
ACPI_RS_DUMP_COMMON_SERIAL_BUS
};
+struct acpi_rsdump_info acpi_rs_dump_csi2_serial_bus[11] = {
+ { ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_csi2_serial_bus),
+ "Camera Serial Bus", NULL },
+ { ACPI_RSD_UINT8, ACPI_RSD_OFFSET(csi2_serial_bus.revision_id),
+ "RevisionId", NULL },
+ { ACPI_RSD_UINT8, ACPI_RSD_OFFSET(csi2_serial_bus.type), "Type",
+ acpi_gbl_sbt_decode },
+ { ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(csi2_serial_bus.producer_consumer),
+ "ProducerConsumer", acpi_gbl_consume_decode },
+ { ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(csi2_serial_bus.slave_mode),
+ "SlaveMode", acpi_gbl_sm_decode },
+ { ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(csi2_serial_bus.phy_type),
+ "PhyType", acpi_gbl_phy_decode },
+ { ACPI_RSD_6BITFLAG,
+ ACPI_RSD_OFFSET(csi2_serial_bus.local_port_instance),
+ "LocalPortInstance", NULL },
+ { ACPI_RSD_UINT8, ACPI_RSD_OFFSET(csi2_serial_bus.type_revision_id),
+ "TypeRevisionId", NULL },
+ { ACPI_RSD_UINT16, ACPI_RSD_OFFSET(csi2_serial_bus.vendor_length),
+ "VendorLength", NULL },
+ { ACPI_RSD_SHORTLISTX, ACPI_RSD_OFFSET(csi2_serial_bus.vendor_data),
+ "VendorData", NULL },
+ { ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(csi2_serial_bus.resource_source),
+ "ResourceSource", NULL },
+};
+
struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[14] = {
{ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_i2c_serial_bus),
"I2C Serial Bus", NULL},
diff --git a/drivers/acpi/acpica/rsinfo.c b/drivers/acpi/acpica/rsinfo.c
index 6e2e596902eb..eaeb7ab58c2a 100644
--- a/drivers/acpi/acpica/rsinfo.c
+++ b/drivers/acpi/acpica/rsinfo.c
@@ -96,13 +96,14 @@ struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[] = {
acpi_rs_convert_pin_group_config, /* 0x12, ACPI_RESOURCE_NAME_PIN_GROUP_CONFIG */
};
-/* Subtype table for serial_bus -- I2C, SPI, and UART */
+/* Subtype table for serial_bus -- I2C, SPI, UART, and CSI2 */
struct acpi_rsconvert_info *acpi_gbl_convert_resource_serial_bus_dispatch[] = {
NULL,
acpi_rs_convert_i2c_serial_bus,
acpi_rs_convert_spi_serial_bus,
acpi_rs_convert_uart_serial_bus,
+ acpi_rs_convert_csi2_serial_bus
};
#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUGGER)
@@ -142,6 +143,7 @@ struct acpi_rsdump_info *acpi_gbl_dump_serial_bus_dispatch[] = {
acpi_rs_dump_i2c_serial_bus, /* AML_RESOURCE_I2C_BUS_TYPE */
acpi_rs_dump_spi_serial_bus, /* AML_RESOURCE_SPI_BUS_TYPE */
acpi_rs_dump_uart_serial_bus, /* AML_RESOURCE_UART_BUS_TYPE */
+ acpi_rs_dump_csi2_serial_bus, /* AML_RESOURCE_CSI2_BUS_TYPE */
};
#endif
@@ -226,6 +228,7 @@ const u8 acpi_gbl_aml_resource_serial_bus_sizes[] = {
sizeof(struct aml_resource_i2c_serialbus),
sizeof(struct aml_resource_spi_serialbus),
sizeof(struct aml_resource_uart_serialbus),
+ sizeof(struct aml_resource_csi2_serialbus),
};
const u8 acpi_gbl_resource_struct_serial_bus_sizes[] = {
@@ -233,4 +236,5 @@ const u8 acpi_gbl_resource_struct_serial_bus_sizes[] = {
ACPI_RS_SIZE(struct acpi_resource_i2c_serialbus),
ACPI_RS_SIZE(struct acpi_resource_spi_serialbus),
ACPI_RS_SIZE(struct acpi_resource_uart_serialbus),
+ ACPI_RS_SIZE(struct acpi_resource_csi2_serialbus),
};
diff --git a/drivers/acpi/acpica/rslist.c b/drivers/acpi/acpica/rslist.c
index 0307675d37be..e46efaa889cd 100644
--- a/drivers/acpi/acpica/rslist.c
+++ b/drivers/acpi/acpica/rslist.c
@@ -59,7 +59,7 @@ acpi_rs_convert_aml_to_resources(u8 * aml,
AML_RESOURCE_MAX_SERIALBUSTYPE) {
conversion_table = NULL;
} else {
- /* This is an I2C, SPI, or UART serial_bus descriptor */
+ /* This is an I2C, SPI, UART, or CSI2 serial_bus descriptor */
conversion_table =
acpi_gbl_convert_resource_serial_bus_dispatch
@@ -89,6 +89,11 @@ acpi_rs_convert_aml_to_resources(u8 * aml,
return_ACPI_STATUS(status);
}
+ if (!resource->length) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Zero-length resource returned from RsConvertAmlToResource"));
+ }
+
ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
"Type %.2X, AmlLength %.2X InternalLength %.2X\n",
acpi_ut_get_resource_type(aml), length,
@@ -158,7 +163,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
AML_RESOURCE_MAX_SERIALBUSTYPE) {
conversion_table = NULL;
} else {
- /* This is an I2C, SPI, or UART serial_bus descriptor */
+ /* This is an I2C, SPI, UART or CSI2 serial_bus descriptor */
conversion_table =
acpi_gbl_convert_resource_serial_bus_dispatch
diff --git a/drivers/acpi/acpica/rsmisc.c b/drivers/acpi/acpica/rsmisc.c
index 1763a3dbc9b1..c2dd9aae4745 100644
--- a/drivers/acpi/acpica/rsmisc.c
+++ b/drivers/acpi/acpica/rsmisc.c
@@ -70,6 +70,8 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
*/
count = INIT_TABLE_LENGTH(info);
while (count) {
+ target = NULL;
+
/*
* Source is the external AML byte stream buffer,
* destination is the internal resource descriptor
@@ -120,6 +122,14 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
((ACPI_GET8(source) >> info->value) & 0x07));
break;
+ case ACPI_RSC_6BITFLAG:
+ /*
+ * Mask and shift the flag bits
+ */
+ ACPI_SET8(destination,
+ ((ACPI_GET8(source) >> info->value) & 0x3F));
+ break;
+
case ACPI_RSC_COUNT:
item_count = ACPI_GET8(source);
@@ -509,6 +519,15 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
value));
break;
+ case ACPI_RSC_6BITFLAG:
+ /*
+ * Mask and shift the flag bits
+ */
+ ACPI_SET_BIT(*ACPI_CAST8(destination), (u8)
+ ((ACPI_GET8(source) & 0x3F) << info->
+ value));
+ break;
+
case ACPI_RSC_COUNT:
item_count = ACPI_GET8(source);
diff --git a/drivers/acpi/acpica/rsserial.c b/drivers/acpi/acpica/rsserial.c
index 1b937d88980f..f9267956535c 100644
--- a/drivers/acpi/acpica/rsserial.c
+++ b/drivers/acpi/acpica/rsserial.c
@@ -187,6 +187,81 @@ struct acpi_rsconvert_info acpi_rs_convert_pin_function[13] = {
/*******************************************************************************
*
+ * acpi_rs_convert_csi2_serial_bus
+ *
+ ******************************************************************************/
+
+struct acpi_rsconvert_info acpi_rs_convert_csi2_serial_bus[14] = {
+ { ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
+ ACPI_RS_SIZE(struct acpi_resource_csi2_serialbus),
+ ACPI_RSC_TABLE_SIZE(acpi_rs_convert_csi2_serial_bus) },
+
+ { ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
+ sizeof(struct aml_resource_csi2_serialbus),
+ 0 },
+
+ { ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
+ AML_OFFSET(common_serial_bus.revision_id),
+ 1 },
+
+ { ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.csi2_serial_bus.type),
+ AML_OFFSET(csi2_serial_bus.type),
+ 1 },
+
+ { ACPI_RSC_1BITFLAG,
+ ACPI_RS_OFFSET(data.csi2_serial_bus.producer_consumer),
+ AML_OFFSET(csi2_serial_bus.flags),
+ 1 },
+
+ { ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.csi2_serial_bus.slave_mode),
+ AML_OFFSET(csi2_serial_bus.flags),
+ 0 },
+
+ { ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.csi2_serial_bus.phy_type),
+ AML_OFFSET(csi2_serial_bus.type_specific_flags),
+ 0 },
+
+ { ACPI_RSC_6BITFLAG,
+ ACPI_RS_OFFSET(data.csi2_serial_bus.local_port_instance),
+ AML_OFFSET(csi2_serial_bus.type_specific_flags),
+ 2 },
+
+ { ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.csi2_serial_bus.type_revision_id),
+ AML_OFFSET(csi2_serial_bus.type_revision_id),
+ 1 },
+
+ /* Vendor data */
+
+ { ACPI_RSC_COUNT_SERIAL_VEN,
+ ACPI_RS_OFFSET(data.csi2_serial_bus.vendor_length),
+ AML_OFFSET(csi2_serial_bus.type_data_length),
+ AML_RESOURCE_CSI2_MIN_DATA_LEN },
+
+ { ACPI_RSC_MOVE_SERIAL_VEN,
+ ACPI_RS_OFFSET(data.csi2_serial_bus.vendor_data),
+ 0,
+ sizeof(struct aml_resource_csi2_serialbus) },
+
+ /* Resource Source */
+
+ { ACPI_RSC_MOVE8,
+ ACPI_RS_OFFSET(data.csi2_serial_bus.resource_source.index),
+ AML_OFFSET(csi2_serial_bus.res_source_index),
+ 1 },
+
+ { ACPI_RSC_COUNT_SERIAL_RES,
+ ACPI_RS_OFFSET(data.csi2_serial_bus.resource_source.string_length),
+ AML_OFFSET(csi2_serial_bus.type_data_length),
+ sizeof(struct aml_resource_csi2_serialbus) },
+
+ { ACPI_RSC_MOVE_SERIAL_RES,
+ ACPI_RS_OFFSET(data.csi2_serial_bus.resource_source.string_ptr),
+ AML_OFFSET(csi2_serial_bus.type_data_length),
+ sizeof(struct aml_resource_csi2_serialbus) },
+};
+
+/*******************************************************************************
+ *
* acpi_rs_convert_i2c_serial_bus
*
******************************************************************************/
diff --git a/drivers/acpi/acpica/utresdecode.c b/drivers/acpi/acpica/utresdecode.c
index 0a9c337346e8..85730fcd7d00 100644
--- a/drivers/acpi/acpica/utresdecode.c
+++ b/drivers/acpi/acpica/utresdecode.c
@@ -82,6 +82,13 @@ const char *acpi_gbl_mtp_decode[] = {
"AddressRangeNVS"
};
+const char *acpi_gbl_phy_decode[] = {
+ "Type C",
+ "Type D",
+ "Unknown Type",
+ "Unknown Type"
+};
+
const char *acpi_gbl_rng_decode[] = {
"InvalidRanges",
"NonISAOnlyRanges",
@@ -161,7 +168,8 @@ const char *acpi_gbl_sbt_decode[] = {
"/* UNKNOWN serial bus type */",
"I2C",
"SPI",
- "UART"
+ "UART",
+ "CSI2"
};
/* I2C serial bus access mode */
diff --git a/drivers/acpi/acpica/utresrc.c b/drivers/acpi/acpica/utresrc.c
index cba5505171da..16f9a7035b39 100644
--- a/drivers/acpi/acpica/utresrc.c
+++ b/drivers/acpi/acpica/utresrc.c
@@ -64,6 +64,7 @@ const u8 acpi_gbl_resource_aml_serial_bus_sizes[] = {
ACPI_AML_SIZE_LARGE(struct aml_resource_i2c_serialbus),
ACPI_AML_SIZE_LARGE(struct aml_resource_spi_serialbus),
ACPI_AML_SIZE_LARGE(struct aml_resource_uart_serialbus),
+ ACPI_AML_SIZE_LARGE(struct aml_resource_csi2_serialbus),
};
/*
diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c
index 133156759551..328e8aeece6c 100644
--- a/drivers/acpi/apei/einj.c
+++ b/drivers/acpi/apei/einj.c
@@ -725,7 +725,6 @@ static int __init einj_init(void)
goto err_release;
}
- rc = -ENOMEM;
einj_param = einj_get_parameter_address();
if ((param_extension || acpi5) && einj_param) {
debugfs_create_x32("flags", S_IRUSR | S_IWUSR, einj_debug_dir,
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index b9597216d021..242f3c2d5533 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -54,7 +54,7 @@ EXPORT_SYMBOL_GPL(erst_disable);
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
diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
index f220bb00e91b..277f00b288d1 100644
--- a/drivers/acpi/apei/hest.c
+++ b/drivers/acpi/apei/hest.c
@@ -1,6 +1,6 @@
// 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
diff --git a/drivers/acpi/arm64/gtdt.c b/drivers/acpi/arm64/gtdt.c
index f2d0e5915dab..0a0a982f9c28 100644
--- a/drivers/acpi/arm64/gtdt.c
+++ b/drivers/acpi/arm64/gtdt.c
@@ -329,7 +329,7 @@ static int __init gtdt_import_sbsa_gwdt(struct acpi_gtdt_watchdog *wd,
int index)
{
struct platform_device *pdev;
- int irq = map_gt_gsi(wd->timer_interrupt, wd->timer_flags);
+ int irq;
/*
* According to SBSA specification the size of refresh and control
@@ -338,7 +338,7 @@ static int __init gtdt_import_sbsa_gwdt(struct acpi_gtdt_watchdog *wd,
struct resource res[] = {
DEFINE_RES_MEM(wd->control_frame_address, SZ_4K),
DEFINE_RES_MEM(wd->refresh_frame_address, SZ_4K),
- DEFINE_RES_IRQ(irq),
+ {},
};
int nr_res = ARRAY_SIZE(res);
@@ -348,10 +348,11 @@ static int __init gtdt_import_sbsa_gwdt(struct acpi_gtdt_watchdog *wd,
if (!(wd->refresh_frame_address && wd->control_frame_address)) {
pr_err(FW_BUG "failed to get the Watchdog base address.\n");
- acpi_unregister_gsi(wd->timer_interrupt);
return -EINVAL;
}
+ irq = map_gt_gsi(wd->timer_interrupt, wd->timer_flags);
+ res[2] = (struct resource)DEFINE_RES_IRQ(irq);
if (irq <= 0) {
pr_warn("failed to map the Watchdog interrupt.\n");
nr_res--;
@@ -364,7 +365,8 @@ static int __init gtdt_import_sbsa_gwdt(struct acpi_gtdt_watchdog *wd,
*/
pdev = platform_device_register_simple("sbsa-gwdt", index, res, nr_res);
if (IS_ERR(pdev)) {
- acpi_unregister_gsi(wd->timer_interrupt);
+ if (irq > 0)
+ acpi_unregister_gsi(wd->timer_interrupt);
return PTR_ERR(pdev);
}
diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index 2494138a6905..3912a1f6058e 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -968,15 +968,16 @@ static int iort_pci_iommu_init(struct pci_dev *pdev, u16 alias, void *data)
static void iort_named_component_init(struct device *dev,
struct acpi_iort_node *node)
{
+ struct property_entry props[2] = {};
struct acpi_iort_named_component *nc;
- struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
-
- if (!fwspec)
- return;
nc = (struct acpi_iort_named_component *)node->node_data;
- fwspec->num_pasid_bits = FIELD_GET(ACPI_IORT_NC_PASID_BITS,
- nc->node_flags);
+ props[0] = PROPERTY_ENTRY_U32("pasid-num-bits",
+ FIELD_GET(ACPI_IORT_NC_PASID_BITS,
+ nc->node_flags));
+
+ if (device_add_properties(dev, props))
+ dev_warn(dev, "Could not add device properties\n");
}
static int iort_nc_iommu_map(struct device *dev, struct acpi_iort_node *node)
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index b822f77afba6..dae91f906cea 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -74,16 +74,17 @@ enum {
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.
@@ -371,9 +372,7 @@ static enum power_supply_property energy_battery_full_cap_broken_props[] = {
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? */
@@ -431,6 +430,7 @@ static int extract_package(struct acpi_battery *battery,
{
int i;
union acpi_object *element;
+
if (package->type != ACPI_TYPE_PACKAGE)
return -EFAULT;
for (i = 0; i < num; ++i) {
@@ -439,6 +439,7 @@ static int extract_package(struct acpi_battery *battery,
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);
@@ -497,10 +498,12 @@ static int extract_battery_info(const int use_bix,
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)
@@ -532,8 +535,8 @@ static int acpi_battery_get_info(struct acpi_battery *battery)
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,
@@ -648,6 +651,7 @@ static ssize_t acpi_battery_alarm_show(struct device *dev,
char *buf)
{
struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));
+
return sprintf(buf, "%d\n", battery->alarm * 1000);
}
@@ -657,6 +661,7 @@ static ssize_t acpi_battery_alarm_store(struct device *dev,
{
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))
@@ -743,7 +748,7 @@ EXPORT_SYMBOL_GPL(battery_hook_register);
* 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;
@@ -872,10 +877,12 @@ static void find_battery(const struct dmi_header *dm, void *private)
{
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
@@ -917,6 +924,7 @@ static void acpi_battery_quirks(struct acpi_battery *battery)
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);
@@ -1013,10 +1021,7 @@ static void acpi_battery_refresh(struct acpi_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);
@@ -1026,11 +1031,11 @@ static void acpi_battery_notify(struct acpi_device *device, u32 event)
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)
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 85e5e0328a2e..f25bd336113b 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -156,10 +156,7 @@ static unsigned long lid_report_interval __read_mostly = 500;
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;
@@ -348,9 +345,7 @@ static int acpi_button_remove_fs(struct acpi_device *device)
return 0;
}
-/* --------------------------------------------------------------------------
- Driver Interface
- -------------------------------------------------------------------------- */
+/* Driver Interface */
int acpi_lid_open(void)
{
if (!lid_device)
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 69057fcd2c04..a4d4eebba1da 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -33,7 +33,6 @@
#define pr_fmt(fmt) "ACPI CPPC: " fmt
-#include <linux/cpufreq.h>
#include <linux/delay.h>
#include <linux/iopoll.h>
#include <linux/ktime.h>
@@ -101,14 +100,14 @@ static DEFINE_PER_CPU(struct cpc_desc *, cpc_desc_ptr);
(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))
@@ -119,23 +118,15 @@ static DEFINE_PER_CPU(struct cpc_desc *, cpc_desc_ptr);
*/
#define NUM_RETRIES 500ULL
-struct cppc_attr {
- struct attribute attr;
- ssize_t (*show)(struct kobject *kobj,
- struct attribute *attr, char *buf);
- ssize_t (*store)(struct kobject *kobj,
- struct attribute *attr, const char *c, ssize_t count);
-};
-
#define define_one_cppc_ro(_name) \
-static struct cppc_attr _name = \
+static struct kobj_attribute _name = \
__ATTR(_name, 0444, show_##_name, NULL)
#define to_cpc_desc(a) container_of(a, struct cpc_desc, kobj)
#define show_cppc_data(access_fn, struct_name, member_name) \
static ssize_t show_##member_name(struct kobject *kobj, \
- struct attribute *attr, char *buf) \
+ struct kobj_attribute *attr, char *buf) \
{ \
struct cpc_desc *cpc_ptr = to_cpc_desc(kobj); \
struct struct_name st_name = {0}; \
@@ -161,7 +152,7 @@ show_cppc_data(cppc_get_perf_ctrs, cppc_perf_fb_ctrs, reference_perf);
show_cppc_data(cppc_get_perf_ctrs, cppc_perf_fb_ctrs, wraparound_time);
static ssize_t show_feedback_ctrs(struct kobject *kobj,
- struct attribute *attr, char *buf)
+ struct kobj_attribute *attr, char *buf)
{
struct cpc_desc *cpc_ptr = to_cpc_desc(kobj);
struct cppc_perf_fb_ctrs fb_ctrs = {0};
@@ -327,6 +318,7 @@ end:
if (unlikely(ret)) {
for_each_possible_cpu(i) {
struct cpc_desc *desc = per_cpu(cpc_desc_ptr, i);
+
if (!desc)
continue;
@@ -778,7 +770,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
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;
}
}
@@ -868,7 +860,7 @@ void acpi_cppc_processor_exit(struct acpi_processor *pr)
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) {
@@ -955,22 +947,22 @@ static int cpc_read(int cpu, struct cpc_register_resource *reg_res, u64 *val)
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;
@@ -994,23 +986,23 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 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;
@@ -1330,7 +1322,7 @@ int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls)
* 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
*/
@@ -1355,8 +1347,8 @@ EXPORT_SYMBOL_GPL(cppc_set_perf);
/**
* 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.
*/
diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c
index 7b54dc95d36b..d39a9b474727 100644
--- a/drivers/acpi/custom_method.c
+++ b/drivers/acpi/custom_method.c
@@ -19,7 +19,7 @@ static struct dentry *cm_dentry;
/* /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;
@@ -42,6 +42,8 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf,
sizeof(struct acpi_table_header)))
return -EFAULT;
uncopied_bytes = max_size = table.length;
+ /* make sure the buf is not allocated */
+ kfree(buf);
buf = kzalloc(max_size, GFP_KERNEL);
if (!buf)
return -ENOMEM;
@@ -55,6 +57,7 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf,
(*ppos + count < count) ||
(count > uncopied_bytes)) {
kfree(buf);
+ buf = NULL;
return -EINVAL;
}
@@ -76,7 +79,6 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf,
add_taint(TAINT_OVERRIDDEN_ACPI_TABLE, LOCKDEP_NOW_UNRELIABLE);
}
- kfree(buf);
return count;
}
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 096153761ebc..16c0fe8a72a7 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -966,6 +966,7 @@ EXPORT_SYMBOL_GPL(acpi_dev_resume);
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);
@@ -980,6 +981,7 @@ 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);
@@ -1171,6 +1173,7 @@ EXPORT_SYMBOL_GPL(acpi_subsys_freeze);
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);
diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c
index da4ff2a8b06a..fa2c1c93072c 100644
--- a/drivers/acpi/device_sysfs.c
+++ b/drivers/acpi/device_sysfs.c
@@ -73,6 +73,7 @@ static const struct sysfs_ops acpi_data_node_sysfs_ops = {
static void acpi_data_node_release(struct kobject *kobj)
{
struct acpi_data_node *dn = to_data_node(kobj);
+
complete(&dn->kobj_done);
}
@@ -130,7 +131,7 @@ static void acpi_hide_nondev_subnodes(struct acpi_device_data *data)
* 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)
{
@@ -376,12 +377,12 @@ eject_store(struct device *d, struct device_attribute *attr,
if (ACPI_FAILURE(status) || !acpi_device->flags.ejectable)
return -ENODEV;
- get_device(&acpi_device->dev);
+ acpi_dev_get(acpi_device);
status = acpi_hotplug_schedule(acpi_device, ACPI_OST_EC_OSPM_EJECT);
if (ACPI_SUCCESS(status))
return count;
- put_device(&acpi_device->dev);
+ acpi_dev_put(acpi_device);
acpi_evaluate_ost(acpi_device->handle, ACPI_OST_EC_OSPM_EJECT,
ACPI_OST_SC_NON_SPECIFIC_FAILURE, NULL);
return status == AE_NO_MEMORY ? -ENOMEM : -EAGAIN;
@@ -431,7 +432,8 @@ static DEVICE_ATTR_RO(path);
/* 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;
@@ -456,7 +458,8 @@ static DEVICE_ATTR_RO(description);
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;
@@ -471,7 +474,8 @@ static DEVICE_ATTR_RO(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;
@@ -485,7 +489,8 @@ hrv_show(struct device *dev, struct device_attribute *attr,
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;
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 0937ceab052e..7cf92158008f 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -271,6 +271,7 @@ static void hotplug_dock_devices(struct dock_station *ds, u32 event)
if (!acpi_device_enumerated(adev)) {
int ret = acpi_bus_scan(adev->handle);
+
if (ret)
dev_dbg(&adev->dev, "scan error %d\n", -ret);
}
@@ -502,6 +503,7 @@ static ssize_t flags_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct dock_station *dock_station = dev->platform_data;
+
return snprintf(buf, PAGE_SIZE, "%d\n", dock_station->flags);
}
@@ -523,7 +525,7 @@ static ssize_t undock_store(struct device *dev, struct device_attribute *attr,
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);
@@ -535,10 +537,11 @@ static ssize_t uid_show(struct device *dev,
{
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);
}
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 36b24b0658cb..0715e3be99a0 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -190,7 +190,7 @@ int acpi_bind_one(struct device *dev, struct acpi_device *acpi_dev)
if (!acpi_dev)
return -EINVAL;
- get_device(&acpi_dev->dev);
+ acpi_dev_get(acpi_dev);
get_device(dev);
physical_node = kzalloc(sizeof(*physical_node), GFP_KERNEL);
if (!physical_node) {
@@ -217,7 +217,7 @@ int acpi_bind_one(struct device *dev, struct acpi_device *acpi_dev)
goto err;
put_device(dev);
- put_device(&acpi_dev->dev);
+ acpi_dev_put(acpi_dev);
return 0;
}
if (pn->node_id == node_id) {
@@ -257,7 +257,7 @@ int acpi_bind_one(struct device *dev, struct acpi_device *acpi_dev)
err:
ACPI_COMPANION_SET(dev, NULL);
put_device(dev);
- put_device(&acpi_dev->dev);
+ acpi_dev_put(acpi_dev);
return retval;
}
EXPORT_SYMBOL_GPL(acpi_bind_one);
@@ -285,7 +285,7 @@ int acpi_unbind_one(struct device *dev)
ACPI_COMPANION_SET(dev, NULL);
/* Drop references taken by acpi_bind_one(). */
put_device(dev);
- put_device(&acpi_dev->dev);
+ acpi_dev_put(acpi_dev);
kfree(entry);
break;
}
diff --git a/drivers/acpi/hed.c b/drivers/acpi/hed.c
index cf148287e2ba..60a2939cde6c 100644
--- a/drivers/acpi/hed.c
+++ b/drivers/acpi/hed.c
@@ -74,7 +74,6 @@ static struct acpi_driver acpi_hed_driver = {
};
module_acpi_driver(acpi_hed_driver);
-ACPI_MODULE_NAME("hed");
MODULE_AUTHOR("Huang Ying");
MODULE_DESCRIPTION("ACPI Hardware Error Device Driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index cb8f70842249..b852cff80287 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -109,8 +109,7 @@ struct acpi_device_bus_id {
int acpi_device_add(struct acpi_device *device,
void (*release)(struct device *));
void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
- int type, unsigned long long sta,
- struct acpi_device_info *info);
+ int type);
int acpi_device_setup_files(struct acpi_device *dev);
void acpi_device_remove_files(struct acpi_device *dev);
void acpi_device_add_finalize(struct acpi_device *device);
diff --git a/drivers/acpi/irq.c b/drivers/acpi/irq.c
index e209081d644b..c68e694fca26 100644
--- a/drivers/acpi/irq.c
+++ b/drivers/acpi/irq.c
@@ -75,8 +75,12 @@ void acpi_unregister_gsi(u32 gsi)
{
struct irq_domain *d = irq_find_matching_fwnode(acpi_gsi_domain_id,
DOMAIN_BUS_ANY);
- int irq = irq_find_mapping(d, gsi);
+ int irq;
+ if (WARN_ON(acpi_irq_model == ACPI_IRQ_MODEL_GIC && gsi < 16))
+ return;
+
+ irq = irq_find_mapping(d, gsi);
irq_dispose_mapping(irq);
}
EXPORT_SYMBOL_GPL(acpi_unregister_gsi);
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index 8c5dde628405..958aaac869e8 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -1195,7 +1195,8 @@ static int __nfit_mem_init(struct acpi_nfit_desc *acpi_desc,
return 0;
}
-static int nfit_mem_cmp(void *priv, struct list_head *_a, struct list_head *_b)
+static int nfit_mem_cmp(void *priv, const struct list_head *_a,
+ const struct list_head *_b)
{
struct nfit_mem *a = container_of(_a, typeof(*a), list);
struct nfit_mem *b = container_of(_b, typeof(*b), list);
@@ -3831,7 +3832,7 @@ static __init int nfit_init(void)
int ret;
BUILD_BUG_ON(sizeof(struct acpi_table_nfit) != 40);
- BUILD_BUG_ON(sizeof(struct acpi_nfit_system_address) != 56);
+ BUILD_BUG_ON(sizeof(struct acpi_nfit_system_address) != 64);
BUILD_BUG_ON(sizeof(struct acpi_nfit_memory_map) != 48);
BUILD_BUG_ON(sizeof(struct acpi_nfit_interleave) != 20);
BUILD_BUG_ON(sizeof(struct acpi_nfit_smbios) != 9);
diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c
index cb73a5d6ea76..c3d783aca196 100644
--- a/drivers/acpi/numa/hmat.c
+++ b/drivers/acpi/numa/hmat.c
@@ -558,7 +558,8 @@ static bool hmat_update_best(u8 type, u32 value, u32 *best)
return updated;
}
-static int initiator_cmp(void *priv, struct list_head *a, struct list_head *b)
+static int initiator_cmp(void *priv, const struct list_head *a,
+ const struct list_head *b)
{
struct memory_initiator *ia;
struct memory_initiator *ib;
@@ -722,7 +723,7 @@ static void hmat_register_target(struct memory_target *target)
/*
* 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.
*/
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 14ee631cb7cf..08e15774fb9f 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -9,6 +9,7 @@
* Bjorn Helgaas <bjorn.helgaas@hp.com>
*/
+#define pr_fmt(fmt) "ACPI: PCI: " fmt
#include <linux/dmi.h>
#include <linux/kernel.h>
@@ -22,11 +23,6 @@
#include <linux/slab.h>
#include <linux/interrupt.h>
-#define PREFIX "ACPI: "
-
-#define _COMPONENT ACPI_PCI_COMPONENT
-ACPI_MODULE_NAME("pci_irq");
-
struct acpi_prt_entry {
struct acpi_pci_id id;
u8 pin;
@@ -126,7 +122,7 @@ static void do_prt_fixups(struct acpi_prt_entry *entry,
entry->pin == quirk->pin &&
!strcmp(prt->source, quirk->source) &&
strlen(prt->source) >= strlen(quirk->actual_source)) {
- printk(KERN_WARNING PREFIX "firmware reports "
+ pr_warn("Firmware reports "
"%04x:%02x:%02x PCI INT %c connected to %s; "
"changing to %s\n",
entry->id.segment, entry->id.bus,
@@ -191,12 +187,9 @@ static int acpi_pci_irq_check_entry(acpi_handle handle, struct pci_dev *dev,
* the IRQ value, which is hardwired to specific interrupt inputs on
* the interrupt controller.
*/
-
- ACPI_DEBUG_PRINT_RAW((ACPI_DB_INFO,
- " %04x:%02x:%02x[%c] -> %s[%d]\n",
- entry->id.segment, entry->id.bus,
- entry->id.device, pin_name(entry->pin),
- prt->source, entry->index));
+ pr_debug("%04x:%02x:%02x[%c] -> %s[%d]\n",
+ entry->id.segment, entry->id.bus, entry->id.device,
+ pin_name(entry->pin), prt->source, entry->index);
*entry_ptr = entry;
@@ -307,8 +300,7 @@ static struct acpi_prt_entry *acpi_pci_irq_lookup(struct pci_dev *dev, int pin)
#ifdef CONFIG_X86_IO_APIC
acpi_reroute_boot_interrupt(dev, entry);
#endif /* CONFIG_X86_IO_APIC */
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found %s[%c] _PRT entry\n",
- pci_name(dev), pin_name(pin)));
+ dev_dbg(&dev->dev, "Found [%c] _PRT entry\n", pin_name(pin));
return entry;
}
@@ -324,9 +316,7 @@ static struct acpi_prt_entry *acpi_pci_irq_lookup(struct pci_dev *dev, int pin)
/* PC card has the same IRQ as its cardbridge */
bridge_pin = bridge->pin;
if (!bridge_pin) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "No interrupt pin configured for device %s\n",
- pci_name(bridge)));
+ dev_dbg(&bridge->dev, "No interrupt pin configured\n");
return NULL;
}
pin = bridge_pin;
@@ -334,10 +324,8 @@ static struct acpi_prt_entry *acpi_pci_irq_lookup(struct pci_dev *dev, int pin)
ret = acpi_pci_irq_find_prt_entry(bridge, pin, &entry);
if (!ret && entry) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Derived GSI for %s INT %c from %s\n",
- pci_name(dev), pin_name(orig_pin),
- pci_name(bridge)));
+ dev_dbg(&dev->dev, "Derived GSI INT %c from %s\n",
+ pin_name(orig_pin), pci_name(bridge));
return entry;
}
@@ -413,9 +401,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
pin = dev->pin;
if (!pin) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "No interrupt pin configured for device %s\n",
- pci_name(dev)));
+ dev_dbg(&dev->dev, "No interrupt pin configured\n");
return 0;
}
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index fb4c5632a232..cb7b900d9466 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -12,6 +12,8 @@
* for IRQ management (e.g. start()->_SRS).
*/
+#define pr_fmt(fmt) "ACPI: PCI: " fmt
+
#include <linux/syscore_ops.h>
#include <linux/kernel.h>
#include <linux/module.h>
@@ -27,8 +29,6 @@
#include "internal.h"
-#define _COMPONENT ACPI_PCI_COMPONENT
-ACPI_MODULE_NAME("pci_link");
#define ACPI_PCI_LINK_CLASS "pci_irq_routing"
#define ACPI_PCI_LINK_DEVICE_NAME "PCI Interrupt Link"
#define ACPI_PCI_LINK_MAX_POSSIBLE 16
@@ -85,6 +85,7 @@ static acpi_status acpi_pci_link_check_possible(struct acpi_resource *resource,
void *context)
{
struct acpi_pci_link *link = context;
+ acpi_handle handle = link->device->handle;
u32 i;
switch (resource->type) {
@@ -95,17 +96,17 @@ static acpi_status acpi_pci_link_check_possible(struct acpi_resource *resource,
{
struct acpi_resource_irq *p = &resource->data.irq;
if (!p || !p->interrupt_count) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Blank _PRS IRQ resource\n"));
+ acpi_handle_debug(handle,
+ "Blank _PRS IRQ resource\n");
return AE_OK;
}
for (i = 0;
(i < p->interrupt_count
&& i < ACPI_PCI_LINK_MAX_POSSIBLE); i++) {
if (!p->interrupts[i]) {
- printk(KERN_WARNING PREFIX
- "Invalid _PRS IRQ %d\n",
- p->interrupts[i]);
+ acpi_handle_debug(handle,
+ "Invalid _PRS IRQ %d\n",
+ p->interrupts[i]);
continue;
}
link->irq.possible[i] = p->interrupts[i];
@@ -121,17 +122,17 @@ static acpi_status acpi_pci_link_check_possible(struct acpi_resource *resource,
struct acpi_resource_extended_irq *p =
&resource->data.extended_irq;
if (!p || !p->interrupt_count) {
- printk(KERN_WARNING PREFIX
- "Blank _PRS EXT IRQ resource\n");
+ acpi_handle_debug(handle,
+ "Blank _PRS EXT IRQ resource\n");
return AE_OK;
}
for (i = 0;
(i < p->interrupt_count
&& i < ACPI_PCI_LINK_MAX_POSSIBLE); i++) {
if (!p->interrupts[i]) {
- printk(KERN_WARNING PREFIX
- "Invalid _PRS IRQ %d\n",
- p->interrupts[i]);
+ acpi_handle_debug(handle,
+ "Invalid _PRS IRQ %d\n",
+ p->interrupts[i]);
continue;
}
link->irq.possible[i] = p->interrupts[i];
@@ -143,8 +144,8 @@ static acpi_status acpi_pci_link_check_possible(struct acpi_resource *resource,
break;
}
default:
- printk(KERN_ERR PREFIX "_PRS resource type 0x%x isn't an IRQ\n",
- resource->type);
+ acpi_handle_debug(handle, "_PRS resource type 0x%x is not IRQ\n",
+ resource->type);
return AE_OK;
}
@@ -153,18 +154,18 @@ static acpi_status acpi_pci_link_check_possible(struct acpi_resource *resource,
static int acpi_pci_link_get_possible(struct acpi_pci_link *link)
{
+ acpi_handle handle = link->device->handle;
acpi_status status;
- status = acpi_walk_resources(link->device->handle, METHOD_NAME__PRS,
+ status = acpi_walk_resources(handle, METHOD_NAME__PRS,
acpi_pci_link_check_possible, link);
if (ACPI_FAILURE(status)) {
- acpi_handle_debug(link->device->handle, "_PRS not present or invalid");
+ acpi_handle_debug(handle, "_PRS not present or invalid");
return 0;
}
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Found %d possible IRQs\n",
- link->irq.possible_count));
+ acpi_handle_debug(handle, "Found %d possible IRQs\n",
+ link->irq.possible_count);
return 0;
}
@@ -186,8 +187,7 @@ static acpi_status acpi_pci_link_check_current(struct acpi_resource *resource,
* IRQ descriptors may have no IRQ# bits set,
* particularly those those w/ _STA disabled
*/
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Blank _CRS IRQ resource\n"));
+ pr_debug("Blank _CRS IRQ resource\n");
return AE_OK;
}
*irq = p->interrupts[0];
@@ -202,8 +202,7 @@ static acpi_status acpi_pci_link_check_current(struct acpi_resource *resource,
* extended IRQ descriptors must
* return at least 1 IRQ
*/
- printk(KERN_WARNING PREFIX
- "Blank _CRS EXT IRQ resource\n");
+ pr_debug("Blank _CRS EXT IRQ resource\n");
return AE_OK;
}
*irq = p->interrupts[0];
@@ -211,8 +210,8 @@ static acpi_status acpi_pci_link_check_current(struct acpi_resource *resource,
}
break;
default:
- printk(KERN_ERR PREFIX "_CRS resource type 0x%x isn't an IRQ\n",
- resource->type);
+ pr_debug("_CRS resource type 0x%x is not IRQ\n",
+ resource->type);
return AE_OK;
}
@@ -228,8 +227,9 @@ static acpi_status acpi_pci_link_check_current(struct acpi_resource *resource,
*/
static int acpi_pci_link_get_current(struct acpi_pci_link *link)
{
- int result = 0;
+ acpi_handle handle = link->device->handle;
acpi_status status;
+ int result = 0;
int irq = 0;
link->irq.active = 0;
@@ -239,12 +239,12 @@ static int acpi_pci_link_get_current(struct acpi_pci_link *link)
/* Query _STA, set link->device->status */
result = acpi_bus_get_status(link->device);
if (result) {
- printk(KERN_ERR PREFIX "Unable to read status\n");
+ acpi_handle_err(handle, "Unable to read status\n");
goto end;
}
if (!link->device->status.enabled) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Link disabled\n"));
+ acpi_handle_debug(handle, "Link disabled\n");
return 0;
}
}
@@ -253,22 +253,22 @@ static int acpi_pci_link_get_current(struct acpi_pci_link *link)
* Query and parse _CRS to get the current IRQ assignment.
*/
- status = acpi_walk_resources(link->device->handle, METHOD_NAME__CRS,
+ status = acpi_walk_resources(handle, METHOD_NAME__CRS,
acpi_pci_link_check_current, &irq);
if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status, "Evaluating _CRS"));
+ acpi_evaluation_failure_warn(handle, "_CRS", status);
result = -ENODEV;
goto end;
}
if (acpi_strict && !irq) {
- printk(KERN_ERR PREFIX "_CRS returned 0\n");
+ acpi_handle_err(handle, "_CRS returned 0\n");
result = -ENODEV;
}
link->irq.active = irq;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Link at IRQ %d \n", link->irq.active));
+ acpi_handle_debug(handle, "Link at IRQ %d \n", link->irq.active);
end:
return result;
@@ -276,13 +276,14 @@ static int acpi_pci_link_get_current(struct acpi_pci_link *link)
static int acpi_pci_link_set(struct acpi_pci_link *link, int irq)
{
- int result;
- acpi_status status;
struct {
struct acpi_resource res;
struct acpi_resource end;
} *resource;
struct acpi_buffer buffer = { 0, NULL };
+ acpi_handle handle = link->device->handle;
+ acpi_status status;
+ int result;
if (!irq)
return -EINVAL;
@@ -329,7 +330,8 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq)
/* ignore resource_source, it's optional */
break;
default:
- printk(KERN_ERR PREFIX "Invalid Resource_type %d\n", link->irq.resource_type);
+ acpi_handle_err(handle, "Invalid resource type %d\n",
+ link->irq.resource_type);
result = -EINVAL;
goto end;
@@ -342,7 +344,7 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq)
/* check for total failure */
if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status, "Evaluating _SRS"));
+ acpi_evaluation_failure_warn(handle, "_SRS", status);
result = -ENODEV;
goto end;
}
@@ -350,15 +352,11 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq)
/* Query _STA, set device->status */
result = acpi_bus_get_status(link->device);
if (result) {
- printk(KERN_ERR PREFIX "Unable to read status\n");
+ acpi_handle_err(handle, "Unable to read status\n");
goto end;
}
- if (!link->device->status.enabled) {
- printk(KERN_WARNING PREFIX
- "%s [%s] disabled and referenced, BIOS bug\n",
- acpi_device_name(link->device),
- acpi_device_bid(link->device));
- }
+ if (!link->device->status.enabled)
+ acpi_handle_warn(handle, "Disabled and referenced, BIOS bug\n");
/* Query _CRS, set link->irq.active */
result = acpi_pci_link_get_current(link);
@@ -375,14 +373,12 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq)
* policy: when _CRS doesn't return what we just _SRS
* assume _SRS worked and override _CRS value.
*/
- printk(KERN_WARNING PREFIX
- "%s [%s] BIOS reported IRQ %d, using IRQ %d\n",
- acpi_device_name(link->device),
- acpi_device_bid(link->device), link->irq.active, irq);
+ acpi_handle_warn(handle, "BIOS reported IRQ %d, using IRQ %d\n",
+ link->irq.active, irq);
link->irq.active = irq;
}
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Set IRQ %d\n", link->irq.active));
+ acpi_handle_debug(handle, "Set IRQ %d\n", link->irq.active);
end:
kfree(resource);
@@ -531,6 +527,7 @@ static int acpi_irq_balance = -1; /* 0: static, 1: balance */
static int acpi_pci_link_allocate(struct acpi_pci_link *link)
{
+ acpi_handle handle = link->device->handle;
int irq;
int i;
@@ -553,8 +550,8 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link)
*/
if (i == link->irq.possible_count) {
if (acpi_strict)
- printk(KERN_WARNING PREFIX "_CRS %d not found"
- " in _PRS\n", link->irq.active);
+ acpi_handle_warn(handle, "_CRS %d not found in _PRS\n",
+ link->irq.active);
link->irq.active = 0;
}
@@ -578,28 +575,23 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link)
}
}
if (acpi_irq_get_penalty(irq) >= PIRQ_PENALTY_ISA_ALWAYS) {
- printk(KERN_ERR PREFIX "No IRQ available for %s [%s]. "
- "Try pci=noacpi or acpi=off\n",
- acpi_device_name(link->device),
- acpi_device_bid(link->device));
+ acpi_handle_err(handle,
+ "No IRQ available. Try pci=noacpi or acpi=off\n");
return -ENODEV;
}
/* Attempt to enable the link device at this IRQ. */
if (acpi_pci_link_set(link, irq)) {
- printk(KERN_ERR PREFIX "Unable to set IRQ for %s [%s]. "
- "Try pci=noacpi or acpi=off\n",
- acpi_device_name(link->device),
- acpi_device_bid(link->device));
+ acpi_handle_err(handle,
+ "Unable to set IRQ. Try pci=noacpi or acpi=off\n");
return -ENODEV;
} else {
if (link->irq.active < ACPI_MAX_ISA_IRQS)
acpi_isa_irq_penalty[link->irq.active] +=
PIRQ_PENALTY_PCI_USING;
- pr_info("%s [%s] enabled at IRQ %d\n",
- acpi_device_name(link->device),
- acpi_device_bid(link->device), link->irq.active);
+ acpi_handle_info(handle, "Enabled at IRQ %d\n",
+ link->irq.active);
}
link->irq.initialized = 1;
@@ -620,19 +612,19 @@ int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
result = acpi_bus_get_device(handle, &device);
if (result) {
- printk(KERN_ERR PREFIX "Invalid link device\n");
+ acpi_handle_err(handle, "Invalid link device\n");
return -1;
}
link = acpi_driver_data(device);
if (!link) {
- printk(KERN_ERR PREFIX "Invalid link context\n");
+ acpi_handle_err(handle, "Invalid link context\n");
return -1;
}
/* TBD: Support multiple index (IRQ) entries per Link Device */
if (index) {
- printk(KERN_ERR PREFIX "Invalid index %d\n", index);
+ acpi_handle_err(handle, "Invalid index %d\n", index);
return -1;
}
@@ -644,7 +636,7 @@ int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
if (!link->irq.active) {
mutex_unlock(&acpi_link_lock);
- printk(KERN_ERR PREFIX "Link active IRQ is 0!\n");
+ acpi_handle_err(handle, "Link active IRQ is 0!\n");
return -1;
}
link->refcnt++;
@@ -656,9 +648,7 @@ int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
*polarity = link->irq.polarity;
if (name)
*name = acpi_device_bid(link->device);
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Link %s is referenced\n",
- acpi_device_bid(link->device)));
+ acpi_handle_debug(handle, "Link is referenced\n");
return link->irq.active;
}
@@ -674,20 +664,20 @@ int acpi_pci_link_free_irq(acpi_handle handle)
result = acpi_bus_get_device(handle, &device);
if (result) {
- printk(KERN_ERR PREFIX "Invalid link device\n");
+ acpi_handle_err(handle, "Invalid link device\n");
return -1;
}
link = acpi_driver_data(device);
if (!link) {
- printk(KERN_ERR PREFIX "Invalid link context\n");
+ acpi_handle_err(handle, "Invalid link context\n");
return -1;
}
mutex_lock(&acpi_link_lock);
if (!link->irq.initialized) {
mutex_unlock(&acpi_link_lock);
- printk(KERN_ERR PREFIX "Link isn't initialized\n");
+ acpi_handle_err(handle, "Link isn't initialized\n");
return -1;
}
#ifdef FUTURE_USE
@@ -702,9 +692,7 @@ int acpi_pci_link_free_irq(acpi_handle handle)
*/
link->refcnt--;
#endif
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Link %s is dereferenced\n",
- acpi_device_bid(link->device)));
+ acpi_handle_debug(handle, "Link is dereferenced\n");
if (link->refcnt == 0)
acpi_evaluate_object(link->device->handle, "_DIS", NULL, NULL);
@@ -720,10 +708,10 @@ int acpi_pci_link_free_irq(acpi_handle handle)
static int acpi_pci_link_add(struct acpi_device *device,
const struct acpi_device_id *not_used)
{
- int result;
+ acpi_handle handle = device->handle;
struct acpi_pci_link *link;
+ int result;
int i;
- int found = 0;
link = kzalloc(sizeof(struct acpi_pci_link), GFP_KERNEL);
if (!link)
@@ -742,31 +730,23 @@ static int acpi_pci_link_add(struct acpi_device *device,
/* query and set link->irq.active */
acpi_pci_link_get_current(link);
- printk(KERN_INFO PREFIX "%s [%s] (IRQs", acpi_device_name(device),
- acpi_device_bid(device));
+ pr_info("Interrupt link %s configured for IRQ %d\n",
+ acpi_device_bid(device), link->irq.active);
+
for (i = 0; i < link->irq.possible_count; i++) {
- if (link->irq.active == link->irq.possible[i]) {
- printk(KERN_CONT " *%d", link->irq.possible[i]);
- found = 1;
- } else
- printk(KERN_CONT " %d", link->irq.possible[i]);
+ if (link->irq.active != link->irq.possible[i])
+ acpi_handle_debug(handle, "Possible IRQ %d\n",
+ link->irq.possible[i]);
}
- printk(KERN_CONT ")");
-
- if (!found)
- printk(KERN_CONT " *%d", link->irq.active);
-
if (!link->device->status.enabled)
- printk(KERN_CONT ", disabled.");
-
- printk(KERN_CONT "\n");
+ pr_info("Interrupt link %s disabled\n", acpi_device_bid(device));
list_add_tail(&link->list, &acpi_link_list);
end:
/* disable all links -- to be activated on use */
- acpi_evaluate_object(device->handle, "_DIS", NULL, NULL);
+ acpi_evaluate_object(handle, "_DIS", NULL, NULL);
mutex_unlock(&acpi_link_lock);
if (result)
diff --git a/drivers/acpi/pci_mcfg.c b/drivers/acpi/pci_mcfg.c
index 95f23acd5b80..53cab975f612 100644
--- a/drivers/acpi/pci_mcfg.c
+++ b/drivers/acpi/pci_mcfg.c
@@ -116,6 +116,13 @@ static struct mcfg_fixup mcfg_quirks[] = {
THUNDER_ECAM_QUIRK(2, 12),
THUNDER_ECAM_QUIRK(2, 13),
+ { "NVIDIA", "TEGRA194", 1, 0, MCFG_BUS_ANY, &tegra194_pcie_ops},
+ { "NVIDIA", "TEGRA194", 1, 1, MCFG_BUS_ANY, &tegra194_pcie_ops},
+ { "NVIDIA", "TEGRA194", 1, 2, MCFG_BUS_ANY, &tegra194_pcie_ops},
+ { "NVIDIA", "TEGRA194", 1, 3, MCFG_BUS_ANY, &tegra194_pcie_ops},
+ { "NVIDIA", "TEGRA194", 1, 4, MCFG_BUS_ANY, &tegra194_pcie_ops},
+ { "NVIDIA", "TEGRA194", 1, 5, MCFG_BUS_ANY, &tegra194_pcie_ops},
+
#define XGENE_V1_ECAM_MCFG(rev, seg) \
{"APM ", "XGENE ", rev, seg, MCFG_BUS_ANY, \
&xgene_v1_pcie_ecam_ops }
diff --git a/drivers/acpi/pmic/intel_pmic_chtcrc.c b/drivers/acpi/pmic/intel_pmic_chtcrc.c
index ebf8d3187df1..2900dc3074d2 100644
--- a/drivers/acpi/pmic/intel_pmic_chtcrc.c
+++ b/drivers/acpi/pmic/intel_pmic_chtcrc.c
@@ -15,7 +15,7 @@
/*
* 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.
*
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 9b608b55d2b2..32974b575e46 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -925,8 +925,7 @@ int acpi_add_power_resource(acpi_handle handle)
return -ENOMEM;
device = &resource->device;
- acpi_init_device_object(device, handle, ACPI_BUS_TYPE_POWER,
- ACPI_STA_DEFAULT, NULL);
+ acpi_init_device_object(device, handle, ACPI_BUS_TYPE_POWER);
mutex_init(&resource->resource_lock);
INIT_LIST_HEAD(&resource->list_node);
INIT_LIST_HEAD(&resource->dependents);
@@ -935,7 +934,7 @@ int acpi_add_power_resource(acpi_handle handle)
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;
@@ -1004,18 +1003,9 @@ void acpi_turn_off_unused_power_resources(void)
mutex_lock(&power_resource_list_lock);
list_for_each_entry_reverse(resource, &acpi_power_resource_list, list_node) {
- int result, state;
-
mutex_lock(&resource->resource_lock);
- result = acpi_power_get_state(resource->device.handle, &state);
- if (result) {
- mutex_unlock(&resource->resource_lock);
- continue;
- }
-
- if (state == ACPI_POWER_RESOURCE_STATE_ON
- && !resource->ref_count) {
+ if (!resource->ref_count) {
dev_info(&resource->device.dev, "Turning OFF\n");
__acpi_power_off(resource);
}
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index 62114a03a51a..77541f939be3 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -28,9 +28,6 @@
#define ACPI_PROCESSOR_NOTIFY_POWER 0x81
#define ACPI_PROCESSOR_NOTIFY_THROTTLING 0x82
-#define _COMPONENT ACPI_PROCESSOR_COMPONENT
-ACPI_MODULE_NAME("processor_driver");
-
MODULE_AUTHOR("Paul Diefenbaugh");
MODULE_DESCRIPTION("ACPI Processor Driver");
MODULE_LICENSE("GPL");
@@ -87,8 +84,7 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data)
dev_name(&device->dev), event, 0);
break;
default:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Unsupported event [0x%x]\n", event));
+ acpi_handle_debug(handle, "Unsupported event [0x%x]\n", event);
break;
}
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 4e2d76b8b697..45a019619e4a 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -32,9 +32,6 @@
#include <asm/cpu.h>
#endif
-#define _COMPONENT ACPI_PROCESSOR_COMPONENT
-ACPI_MODULE_NAME("processor_idle");
-
#define ACPI_IDLE_STATE_START (IS_ENABLED(CONFIG_ARCH_HAS_CPU_RELAX) ? 1 : 0)
static unsigned int max_cstate __read_mostly = ACPI_PROCESSOR_MAX_POWER;
@@ -240,8 +237,8 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr)
* 100 microseconds.
*/
if (acpi_gbl_FADT.c2_latency > ACPI_PROCESSOR_MAX_C2_LATENCY) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "C2 latency too large [%d]\n", acpi_gbl_FADT.c2_latency));
+ acpi_handle_debug(pr->handle, "C2 latency too large [%d]\n",
+ acpi_gbl_FADT.c2_latency);
/* invalidate C2 */
pr->power.states[ACPI_STATE_C2].address = 0;
}
@@ -251,16 +248,15 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr)
* 1000 microseconds.
*/
if (acpi_gbl_FADT.c3_latency > ACPI_PROCESSOR_MAX_C3_LATENCY) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "C3 latency too large [%d]\n", acpi_gbl_FADT.c3_latency));
+ acpi_handle_debug(pr->handle, "C3 latency too large [%d]\n",
+ acpi_gbl_FADT.c3_latency);
/* invalidate C3 */
pr->power.states[ACPI_STATE_C3].address = 0;
}
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "lvl2[0x%08x] lvl3[0x%08x]\n",
+ acpi_handle_debug(pr->handle, "lvl2[0x%08x] lvl3[0x%08x]\n",
pr->power.states[ACPI_STATE_C2].address,
- pr->power.states[ACPI_STATE_C3].address));
+ pr->power.states[ACPI_STATE_C3].address);
snprintf(pr->power.states[ACPI_STATE_C2].desc,
ACPI_CX_DESC_LEN, "ACPI P_LVL2 IOPORT 0x%x",
@@ -325,8 +321,8 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr,
* devices thus we take the conservative approach.
*/
else if (errata.piix4.fdma) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "C3 not supported on PIIX4 with Type-F DMA\n"));
+ acpi_handle_debug(pr->handle,
+ "C3 not supported on PIIX4 with Type-F DMA\n");
return;
}
@@ -345,13 +341,13 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr,
if (!pr->flags.bm_control) {
if (pr->flags.has_cst != 1) {
/* bus mastering control is necessary */
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "C3 support requires BM control\n"));
+ acpi_handle_debug(pr->handle,
+ "C3 support requires BM control\n");
return;
} else {
/* Here we enter C3 without bus mastering */
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "C3 support without BM control\n"));
+ acpi_handle_debug(pr->handle,
+ "C3 support without BM control\n");
}
}
} else {
@@ -360,9 +356,9 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr,
* supported on when bm_check is not required.
*/
if (!(acpi_gbl_FADT.flags & ACPI_FADT_WBINVD)) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ acpi_handle_debug(pr->handle,
"Cache invalidation should work properly"
- " for C3 to be enabled on SMP systems\n"));
+ " for C3 to be enabled on SMP systems\n");
return;
}
}
@@ -789,8 +785,8 @@ static inline void acpi_processor_cstate_first_run_checks(void)
dmi_check_system(processor_power_dmi_table);
max_cstate = acpi_processor_cstate_check(max_cstate);
if (max_cstate < ACPI_C_STATES_MAX)
- pr_notice("ACPI: processor limited to max C-state %d\n",
- max_cstate);
+ pr_notice("processor limited to max C-state %d\n", max_cstate);
+
first_run++;
if (nocst)
@@ -848,7 +844,7 @@ static int acpi_processor_evaluate_lpi(acpi_handle handle,
status = acpi_evaluate_object(handle, "_LPI", NULL, &buffer);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No _LPI, giving up\n"));
+ acpi_handle_debug(handle, "No _LPI, giving up\n");
return -ENODEV;
}
diff --git a/drivers/acpi/processor_pdc.c b/drivers/acpi/processor_pdc.c
index 813f1b78c16a..8c3f82c9fff3 100644
--- a/drivers/acpi/processor_pdc.c
+++ b/drivers/acpi/processor_pdc.c
@@ -16,9 +16,6 @@
#include "internal.h"
-#define _COMPONENT ACPI_PROCESSOR_COMPONENT
-ACPI_MODULE_NAME("processor_pdc");
-
static bool __init processor_physically_present(acpi_handle handle)
{
int cpuid, type;
@@ -132,8 +129,8 @@ acpi_processor_eval_pdc(acpi_handle handle, struct acpi_object_list *pdc_in)
status = acpi_evaluate_object(handle, "_PDC", pdc_in, NULL);
if (ACPI_FAILURE(status))
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Could not evaluate _PDC, using legacy perf. control.\n"));
+ acpi_handle_debug(handle,
+ "Could not evaluate _PDC, using legacy perf control\n");
return status;
}
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 32f0f554ccae..d088a0089ee9 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -23,8 +23,6 @@
#define PREFIX "ACPI: "
#define ACPI_PROCESSOR_FILE_PERFORMANCE "performance"
-#define _COMPONENT ACPI_PROCESSOR_COMPONENT
-ACPI_MODULE_NAME("processor_perflib");
static DEFINE_MUTEX(performance_mutex);
@@ -65,13 +63,13 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr)
* (e.g. 0 = states 0..n; 1 = states 1..n; etc.
*/
status = acpi_evaluate_integer(pr->handle, "_PPC", NULL, &ppc);
-
- if (status != AE_NOT_FOUND)
+ if (status != AE_NOT_FOUND) {
acpi_processor_ppc_in_use = true;
- if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
- ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PPC"));
- return -ENODEV;
+ if (ACPI_FAILURE(status)) {
+ acpi_evaluation_failure_warn(pr->handle, "_PPC", status);
+ return -ENODEV;
+ }
}
pr_debug("CPU %d: _PPC is %d - frequency %s limited\n", pr->id,
@@ -98,7 +96,7 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr)
* 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)
@@ -199,7 +197,7 @@ static int acpi_processor_get_performance_control(struct acpi_processor *pr)
status = acpi_evaluate_object(pr->handle, "_PCT", NULL, &buffer);
if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PCT"));
+ acpi_evaluation_failure_warn(pr->handle, "_PCT", status);
return -ENODEV;
}
@@ -299,7 +297,7 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr)
status = acpi_evaluate_object(pr->handle, "_PSS", NULL, &buffer);
if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PSS"));
+ acpi_evaluation_failure_warn(pr->handle, "_PSS", status);
return -ENODEV;
}
@@ -310,8 +308,8 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr)
goto end;
}
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found %d performance states\n",
- pss->package.count));
+ acpi_handle_debug(pr->handle, "Found %d performance states\n",
+ pss->package.count);
pr->performance->state_count = pss->package.count;
pr->performance->states =
@@ -330,12 +328,13 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr)
state.length = sizeof(struct acpi_processor_px);
state.pointer = px;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Extracting state %d\n", i));
+ acpi_handle_debug(pr->handle, "Extracting state %d\n", i);
status = acpi_extract_package(&(pss->package.elements[i]),
&format, &state);
if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status, "Invalid _PSS data"));
+ acpi_handle_warn(pr->handle, "Invalid _PSS data: %s\n",
+ acpi_format_exception(status));
result = -EFAULT;
kfree(pr->performance->states);
goto end;
@@ -343,14 +342,14 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr)
amd_fixup_frequency(px, i);
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ acpi_handle_debug(pr->handle,
"State [%d]: core_frequency[%d] power[%d] transition_latency[%d] bus_master_latency[%d] control[0x%x] status[0x%x]\n",
i,
(u32) px->core_frequency,
(u32) px->power,
(u32) px->transition_latency,
(u32) px->bus_master_latency,
- (u32) px->control, (u32) px->status));
+ (u32) px->control, (u32) px->status);
/*
* Check that ACPI's u64 MHz will be valid as u32 KHz in cpufreq
@@ -400,8 +399,8 @@ int acpi_processor_get_performance_info(struct acpi_processor *pr)
return -EINVAL;
if (!acpi_has_method(pr->handle, "_PCT")) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "ACPI-based processor performance control unavailable\n"));
+ acpi_handle_debug(pr->handle,
+ "ACPI-based processor performance control unavailable\n");
return -ENODEV;
}
@@ -442,24 +441,23 @@ int acpi_processor_pstate_control(void)
if (!acpi_gbl_FADT.smi_command || !acpi_gbl_FADT.pstate_control)
return 0;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Writing pstate_control [0x%x] to smi_command [0x%x]\n",
- acpi_gbl_FADT.pstate_control, acpi_gbl_FADT.smi_command));
+ pr_debug("Writing pstate_control [0x%x] to smi_command [0x%x]\n",
+ acpi_gbl_FADT.pstate_control, acpi_gbl_FADT.smi_command);
status = acpi_os_write_port(acpi_gbl_FADT.smi_command,
(u32)acpi_gbl_FADT.pstate_control, 8);
if (ACPI_SUCCESS(status))
return 1;
- ACPI_EXCEPTION((AE_INFO, status,
- "Failed to write pstate_control [0x%x] to smi_command [0x%x]",
- acpi_gbl_FADT.pstate_control, acpi_gbl_FADT.smi_command));
+ pr_warn("Failed to write pstate_control [0x%x] to smi_command [0x%x]: %s\n",
+ acpi_gbl_FADT.pstate_control, acpi_gbl_FADT.smi_command,
+ acpi_format_exception(status));
return -EIO;
}
int acpi_processor_notify_smm(struct module *calling_module)
{
- static int is_done = 0;
+ static int is_done;
int result;
if (!acpi_processor_cpufreq_init)
@@ -485,7 +483,7 @@ int acpi_processor_notify_smm(struct module *calling_module)
result = acpi_processor_pstate_control();
if (!result) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No SMI port or pstate_control\n"));
+ pr_debug("No SMI port or pstate_control\n");
module_put(calling_module);
return 0;
}
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index b1876534324b..e61b8f038364 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -22,9 +22,6 @@
#define PREFIX "ACPI: "
-#define _COMPONENT ACPI_PROCESSOR_COMPONENT
-ACPI_MODULE_NAME("processor_throttling");
-
/* ignore_tpc:
* 0 -> acpi processor driver doesn't ignore _TPC values
* 1 -> acpi processor driver ignores _TPC values
@@ -196,10 +193,8 @@ err_ret:
*/
void acpi_processor_throttling_init(void)
{
- if (acpi_processor_update_tsd_coord()) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Assume no T-state coordination\n"));
- }
+ if (acpi_processor_update_tsd_coord())
+ pr_debug("Assume no T-state coordination\n");
return;
}
@@ -216,12 +211,13 @@ static int acpi_processor_throttling_notifier(unsigned long event, void *data)
cpu = p_tstate->cpu;
pr = per_cpu(processors, cpu);
if (!pr) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Invalid pr pointer\n"));
+ pr_debug("Invalid pr pointer\n");
return 0;
}
if (!pr->flags.throttling) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Throttling control is "
- "unsupported on CPU %d\n", cpu));
+ acpi_handle_debug(pr->handle,
+ "Throttling control unsupported on CPU %d\n",
+ cpu);
return 0;
}
target_state = p_tstate->target_state;
@@ -245,9 +241,9 @@ static int acpi_processor_throttling_notifier(unsigned long event, void *data)
target_state = p_throttling->state_count - 1;
}
p_tstate->target_state = target_state;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "PreChange Event:"
- "target T-state of CPU %d is T%d\n",
- cpu, target_state));
+ acpi_handle_debug(pr->handle,
+ "PreChange Event: target T-state of CPU %d is T%d\n",
+ cpu, target_state);
break;
case THROTTLING_POSTCHANGE:
/*
@@ -255,9 +251,9 @@ static int acpi_processor_throttling_notifier(unsigned long event, void *data)
* T-state flag of acpi_processor_throttling.
*/
p_throttling->state = target_state;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "PostChange Event:"
- "CPU %d is switched to T%d\n",
- cpu, target_state));
+ acpi_handle_debug(pr->handle,
+ "PostChange Event: CPU %d is switched to T%d\n",
+ cpu, target_state);
break;
default:
printk(KERN_WARNING
@@ -284,9 +280,9 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr)
status = acpi_evaluate_integer(pr->handle, "_TPC", NULL, &tpc);
if (ACPI_FAILURE(status)) {
- if (status != AE_NOT_FOUND) {
- ACPI_EXCEPTION((AE_INFO, status, "Evaluating _TPC"));
- }
+ if (status != AE_NOT_FOUND)
+ acpi_evaluation_failure_warn(pr->handle, "_TPC", status);
+
return -ENODEV;
}
@@ -417,9 +413,9 @@ static int acpi_processor_get_throttling_control(struct acpi_processor *pr)
status = acpi_evaluate_object(pr->handle, "_PTC", NULL, &buffer);
if (ACPI_FAILURE(status)) {
- if (status != AE_NOT_FOUND) {
- ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PTC"));
- }
+ if (status != AE_NOT_FOUND)
+ acpi_evaluation_failure_warn(pr->handle, "_PTC", status);
+
return -ENODEV;
}
@@ -502,9 +498,9 @@ static int acpi_processor_get_throttling_states(struct acpi_processor *pr)
status = acpi_evaluate_object(pr->handle, "_TSS", NULL, &buffer);
if (ACPI_FAILURE(status)) {
- if (status != AE_NOT_FOUND) {
- ACPI_EXCEPTION((AE_INFO, status, "Evaluating _TSS"));
- }
+ if (status != AE_NOT_FOUND)
+ acpi_evaluation_failure_warn(pr->handle, "_TSS", status);
+
return -ENODEV;
}
@@ -515,8 +511,8 @@ static int acpi_processor_get_throttling_states(struct acpi_processor *pr)
goto end;
}
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found %d throttling states\n",
- tss->package.count));
+ acpi_handle_debug(pr->handle, "Found %d throttling states\n",
+ tss->package.count);
pr->throttling.state_count = tss->package.count;
pr->throttling.states_tss =
@@ -537,12 +533,13 @@ static int acpi_processor_get_throttling_states(struct acpi_processor *pr)
state.length = sizeof(struct acpi_processor_tx_tss);
state.pointer = tx;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Extracting state %d\n", i));
+ acpi_handle_debug(pr->handle, "Extracting state %d\n", i);
status = acpi_extract_package(&(tss->package.elements[i]),
&format, &state);
if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status, "Invalid _TSS data"));
+ acpi_handle_warn(pr->handle, "Invalid _TSS data: %s\n",
+ acpi_format_exception(status));
result = -EFAULT;
kfree(pr->throttling.states_tss);
goto end;
@@ -582,9 +579,9 @@ static int acpi_processor_get_tsd(struct acpi_processor *pr)
status = acpi_evaluate_object(pr->handle, "_TSD", NULL, &buffer);
if (ACPI_FAILURE(status)) {
- if (status != AE_NOT_FOUND) {
- ACPI_EXCEPTION((AE_INFO, status, "Evaluating _TSD"));
- }
+ if (status != AE_NOT_FOUND)
+ acpi_evaluation_failure_warn(pr->handle, "_TSD", status);
+
return -ENODEV;
}
@@ -698,9 +695,9 @@ static int acpi_processor_get_throttling_fadt(struct acpi_processor *pr)
local_irq_enable();
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ acpi_handle_debug(pr->handle,
"Throttling state is T%d (%d%% throttling applied)\n",
- state, pr->throttling.states[state].performance));
+ state, pr->throttling.states[state].performance);
return 0;
}
@@ -875,8 +872,8 @@ static int acpi_processor_get_throttling_ptc(struct acpi_processor *pr)
if (ret >= 0) {
state = acpi_get_throttling_state(pr, value);
if (state == -1) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Invalid throttling state, reset\n"));
+ acpi_handle_debug(pr->handle,
+ "Invalid throttling state, reset\n");
state = 0;
ret = __acpi_processor_set_throttling(pr, state, true,
true);
@@ -921,10 +918,10 @@ static int acpi_processor_get_fadt_info(struct acpi_processor *pr)
int i, step;
if (!pr->throttling.address) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No throttling register\n"));
+ acpi_handle_debug(pr->handle, "No throttling register\n");
return -EINVAL;
} else if (!pr->throttling.duty_width) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No throttling states\n"));
+ acpi_handle_debug(pr->handle, "No throttling states\n");
return -EINVAL;
}
/* TBD: Support duty_cycle values that span bit 4. */
@@ -1015,10 +1012,10 @@ static int acpi_processor_set_throttling_fadt(struct acpi_processor *pr,
local_irq_enable();
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ acpi_handle_debug(pr->handle,
"Throttling state set to T%d (%d%%)\n", state,
(pr->throttling.states[state].performance ? pr->
- throttling.states[state].performance / 10 : 0)));
+ throttling.states[state].performance / 10 : 0));
return 0;
}
@@ -1129,8 +1126,8 @@ static int __acpi_processor_set_throttling(struct acpi_processor *pr,
* error message and continue.
*/
if (!match_pr) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Invalid Pointer for CPU %d\n", i));
+ acpi_handle_debug(pr->handle,
+ "Invalid Pointer for CPU %d\n", i);
continue;
}
/*
@@ -1138,9 +1135,8 @@ static int __acpi_processor_set_throttling(struct acpi_processor *pr,
* we will report the error message and continue.
*/
if (!match_pr->flags.throttling) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Throttling Control is unsupported "
- "on CPU %d\n", i));
+ acpi_handle_debug(pr->handle,
+ "Throttling Control unsupported on CPU %d\n", i);
continue;
}
@@ -1177,11 +1173,11 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr)
int result = 0;
struct acpi_processor_throttling *pthrottling;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ acpi_handle_debug(pr->handle,
"pblk_address[0x%08x] duty_offset[%d] duty_width[%d]\n",
pr->throttling.address,
pr->throttling.duty_offset,
- pr->throttling.duty_width));
+ pr->throttling.duty_width);
/*
* Evaluate _PTC, _TSS and _TPC
@@ -1221,13 +1217,13 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr)
* used this part.
*/
if (errata.piix4.throttle) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Throttling not supported on PIIX4 A- or B-step\n"));
+ acpi_handle_debug(pr->handle,
+ "Throttling not supported on PIIX4 A- or B-step\n");
return 0;
}
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found %d throttling states\n",
- pr->throttling.state_count));
+ acpi_handle_debug(pr->handle, "Found %d throttling states\n",
+ pr->throttling.state_count);
pr->flags.throttling = 1;
@@ -1242,9 +1238,9 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr)
goto end;
if (pr->throttling.state) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ acpi_handle_debug(pr->handle,
"Disabling throttling (was T%d)\n",
- pr->throttling.state));
+ pr->throttling.state);
result = acpi_processor_set_throttling(pr, 0, false);
if (result)
goto end;
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 20a7892c6d3f..ee78a210c606 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -596,7 +596,7 @@ static int __acpi_dev_get_resources(struct acpi_device *adev,
* @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)
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 6efe7edd7b1e..a22778e880c2 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -530,7 +530,7 @@ static void acpi_device_del_work_fn(struct work_struct *work_not_used)
* used by the device.
*/
acpi_power_transition(adev, ACPI_STATE_D3_COLD);
- put_device(&adev->dev);
+ acpi_dev_put(adev);
}
}
@@ -560,7 +560,7 @@ static void acpi_scan_drop_device(acpi_handle handle, void *context)
* 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.
*/
@@ -604,8 +604,7 @@ EXPORT_SYMBOL(acpi_bus_get_device);
static void get_acpi_device(void *dev)
{
- if (dev)
- get_device(&((struct acpi_device *)dev)->dev);
+ acpi_dev_get(dev);
}
struct acpi_device *acpi_bus_get_acpi_device(acpi_handle handle)
@@ -615,7 +614,7 @@ struct acpi_device *acpi_bus_get_acpi_device(acpi_handle handle)
void acpi_bus_put_acpi_device(struct acpi_device *adev)
{
- put_device(&adev->dev);
+ acpi_dev_put(adev);
}
static struct acpi_device_bus_id *acpi_device_bus_id_match(const char *dev_id)
@@ -757,27 +756,25 @@ static bool acpi_info_matches_ids(struct acpi_device_info *info,
const char * const ids[])
{
struct acpi_pnp_device_id_list *cid_list = NULL;
- int i;
+ int i, index;
if (!(info->valid & ACPI_VALID_HID))
return false;
+ index = match_string(ids, -1, info->hardware_id.string);
+ if (index >= 0)
+ return true;
+
if (info->valid & ACPI_VALID_CID)
cid_list = &info->compatible_id_list;
- for (i = 0; ids[i]; i++) {
- int j;
+ if (!cid_list)
+ return false;
- if (!strcmp(info->hardware_id.string, ids[i]))
+ for (i = 0; i < cid_list->count; i++) {
+ index = match_string(ids, -1, cid_list->ids[i].string);
+ if (index >= 0)
return true;
-
- if (!cid_list)
- continue;
-
- for (j = 0; j < cid_list->count; j++) {
- if (!strcmp(cid_list->ids[j].string, ids[i]))
- return true;
- }
}
return false;
@@ -1307,8 +1304,9 @@ static bool acpi_object_is_system_bus(acpi_handle handle)
}
static void acpi_set_pnp_ids(acpi_handle handle, struct acpi_device_pnp *pnp,
- int device_type, struct acpi_device_info *info)
+ int device_type)
{
+ struct acpi_device_info *info = NULL;
struct acpi_pnp_device_id_list *cid_list;
int i;
@@ -1319,6 +1317,7 @@ static void acpi_set_pnp_ids(acpi_handle handle, struct acpi_device_pnp *pnp,
break;
}
+ acpi_get_object_info(handle, &info);
if (!info) {
pr_err(PREFIX "%s: Error reading device info\n",
__func__);
@@ -1344,6 +1343,8 @@ static void acpi_set_pnp_ids(acpi_handle handle, struct acpi_device_pnp *pnp,
if (info->valid & ACPI_VALID_CLS)
acpi_add_id(pnp, info->class_code.string);
+ kfree(info);
+
/*
* Some devices don't reliably have _HIDs & _CIDs, so add
* synthetic HIDs to make sure drivers can find them.
@@ -1649,17 +1650,16 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device)
}
void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
- int type, unsigned long long sta,
- struct acpi_device_info *info)
+ int type)
{
INIT_LIST_HEAD(&device->pnp.ids);
device->device_type = type;
device->handle = handle;
device->parent = acpi_bus_get_parent(handle);
fwnode_init(&device->fwnode, &acpi_device_fwnode_ops);
- acpi_set_device_status(device, sta);
+ acpi_set_device_status(device, ACPI_STA_DEFAULT);
acpi_device_get_busid(device);
- acpi_set_pnp_ids(handle, &device->pnp, type, info);
+ acpi_set_pnp_ids(handle, &device->pnp, type);
acpi_init_properties(device);
acpi_bus_get_flags(device);
device->flags.match_driver = false;
@@ -1680,33 +1680,30 @@ void acpi_device_add_finalize(struct acpi_device *device)
kobject_uevent(&device->dev.kobj, KOBJ_ADD);
}
+static void acpi_scan_init_status(struct acpi_device *adev)
+{
+ if (acpi_bus_get_status(adev))
+ acpi_set_device_status(adev, 0);
+}
+
static int acpi_add_single_object(struct acpi_device **child,
- acpi_handle handle, int type,
- unsigned long long sta)
+ acpi_handle handle, int type)
{
- struct acpi_device_info *info = NULL;
struct acpi_device *device;
int result;
- if (handle != ACPI_ROOT_OBJECT && type == ACPI_BUS_TYPE_DEVICE)
- acpi_get_object_info(handle, &info);
-
device = kzalloc(sizeof(struct acpi_device), GFP_KERNEL);
- if (!device) {
- kfree(info);
+ if (!device)
return -ENOMEM;
- }
- acpi_init_device_object(device, handle, type, sta, info);
- kfree(info);
+ acpi_init_device_object(device, handle, type);
/*
- * For ACPI_BUS_TYPE_DEVICE getting the status is delayed till here so
- * that we can call acpi_bus_get_status() and use its quirk handling.
- * Note this must be done before the get power-/wakeup_dev-flags calls.
+ * Getting the status is delayed till here so that we can call
+ * acpi_bus_get_status() and use its quirk handling. Note that
+ * this must be done before the get power-/wakeup_dev-flags calls.
*/
- if (type == ACPI_BUS_TYPE_DEVICE)
- if (acpi_bus_get_status(device) < 0)
- acpi_set_device_status(device, 0);
+ if (type == ACPI_BUS_TYPE_DEVICE || type == ACPI_BUS_TYPE_PROCESSOR)
+ acpi_scan_init_status(device);
acpi_bus_get_power_flags(device);
acpi_bus_get_wakeup_device_flags(device);
@@ -1763,50 +1760,6 @@ static bool acpi_device_should_be_hidden(acpi_handle handle)
return true;
}
-static int acpi_bus_type_and_status(acpi_handle handle, int *type,
- unsigned long long *sta)
-{
- acpi_status status;
- acpi_object_type acpi_type;
-
- status = acpi_get_type(handle, &acpi_type);
- if (ACPI_FAILURE(status))
- return -ENODEV;
-
- switch (acpi_type) {
- case ACPI_TYPE_ANY: /* for ACPI_ROOT_OBJECT */
- case ACPI_TYPE_DEVICE:
- if (acpi_device_should_be_hidden(handle))
- return -ENODEV;
-
- *type = ACPI_BUS_TYPE_DEVICE;
- /*
- * acpi_add_single_object updates this once we've an acpi_device
- * so that acpi_bus_get_status' quirk handling can be used.
- */
- *sta = ACPI_STA_DEFAULT;
- break;
- case ACPI_TYPE_PROCESSOR:
- *type = ACPI_BUS_TYPE_PROCESSOR;
- status = acpi_bus_get_status_handle(handle, sta);
- if (ACPI_FAILURE(status))
- return -ENODEV;
- break;
- case ACPI_TYPE_THERMAL:
- *type = ACPI_BUS_TYPE_THERMAL;
- *sta = ACPI_STA_DEFAULT;
- break;
- case ACPI_TYPE_POWER:
- *type = ACPI_BUS_TYPE_POWER;
- *sta = ACPI_STA_DEFAULT;
- break;
- default:
- return -ENODEV;
- }
-
- return 0;
-}
-
bool acpi_device_is_present(const struct acpi_device *adev)
{
return adev->status.present || adev->status.functional;
@@ -1875,7 +1828,7 @@ static void acpi_scan_init_hotplug(struct acpi_device *adev)
}
}
-static u32 acpi_scan_check_dep(acpi_handle handle)
+static u32 acpi_scan_check_dep(acpi_handle handle, bool check_dep)
{
struct acpi_handle_list dep_devices;
acpi_status status;
@@ -1888,7 +1841,8 @@ static u32 acpi_scan_check_dep(acpi_handle handle)
* 2. ACPI nodes describing USB ports.
* Still, checking for _HID catches more then just these cases ...
*/
- if (!acpi_has_method(handle, "_DEP") || !acpi_has_method(handle, "_HID"))
+ if (!check_dep || !acpi_has_method(handle, "_DEP") ||
+ !acpi_has_method(handle, "_HID"))
return 0;
status = acpi_evaluate_reference(handle, "_DEP", NULL, &dep_devices);
@@ -1953,33 +1907,48 @@ static acpi_status acpi_bus_check_add(acpi_handle handle, bool check_dep,
struct acpi_device **adev_p)
{
struct acpi_device *device = NULL;
- unsigned long long sta;
+ acpi_object_type acpi_type;
int type;
- int result;
acpi_bus_get_device(handle, &device);
if (device)
goto out;
- result = acpi_bus_type_and_status(handle, &type, &sta);
- if (result)
+ if (ACPI_FAILURE(acpi_get_type(handle, &acpi_type)))
return AE_OK;
- if (type == ACPI_BUS_TYPE_POWER) {
- acpi_add_power_resource(handle);
- return AE_OK;
- }
+ switch (acpi_type) {
+ case ACPI_TYPE_DEVICE:
+ if (acpi_device_should_be_hidden(handle))
+ return AE_OK;
- if (type == ACPI_BUS_TYPE_DEVICE && check_dep) {
- u32 count = acpi_scan_check_dep(handle);
- /* Bail out if the number of recorded dependencies is not 0. */
- if (count > 0) {
+ /* Bail out if there are dependencies. */
+ if (acpi_scan_check_dep(handle, check_dep) > 0) {
acpi_bus_scan_second_pass = true;
return AE_CTRL_DEPTH;
}
+
+ fallthrough;
+ case ACPI_TYPE_ANY: /* for ACPI_ROOT_OBJECT */
+ type = ACPI_BUS_TYPE_DEVICE;
+ break;
+
+ case ACPI_TYPE_PROCESSOR:
+ type = ACPI_BUS_TYPE_PROCESSOR;
+ break;
+
+ case ACPI_TYPE_THERMAL:
+ type = ACPI_BUS_TYPE_THERMAL;
+ break;
+
+ case ACPI_TYPE_POWER:
+ acpi_add_power_resource(handle);
+ fallthrough;
+ default:
+ return AE_OK;
}
- acpi_add_single_object(&device, handle, type, sta);
+ acpi_add_single_object(&device, handle, type);
if (!device)
return AE_CTRL_DEPTH;
@@ -2253,8 +2222,7 @@ int acpi_bus_register_early_device(int type)
struct acpi_device *device = NULL;
int result;
- result = acpi_add_single_object(&device, NULL,
- type, ACPI_STA_DEFAULT);
+ result = acpi_add_single_object(&device, NULL, type);
if (result)
return result;
@@ -2274,8 +2242,7 @@ static int acpi_bus_scan_fixed(void)
struct acpi_device *device = NULL;
result = acpi_add_single_object(&device, NULL,
- ACPI_BUS_TYPE_POWER_BUTTON,
- ACPI_STA_DEFAULT);
+ ACPI_BUS_TYPE_POWER_BUTTON);
if (result)
return result;
@@ -2291,8 +2258,7 @@ static int acpi_bus_scan_fixed(void)
struct acpi_device *device = NULL;
result = acpi_add_single_object(&device, NULL,
- ACPI_BUS_TYPE_SLEEP_BUTTON,
- ACPI_STA_DEFAULT);
+ ACPI_BUS_TYPE_SLEEP_BUTTON);
if (result)
return result;
@@ -2388,7 +2354,7 @@ int __init acpi_scan_init(void)
acpi_detach_data(acpi_root->handle,
acpi_scan_drop_device);
acpi_device_del(acpi_root);
- put_device(&acpi_root->dev);
+ acpi_bus_put_acpi_device(acpi_root);
goto out;
}
}
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 8baf7644a0d0..d25927195d6d 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -12,9 +12,6 @@
#include "internal.h"
-#define _COMPONENT ACPI_SYSTEM_COMPONENT
-ACPI_MODULE_NAME("sysfs");
-
#ifdef CONFIG_ACPI_DEBUG
/*
* ACPI debug sysfs I/F, including:
@@ -51,14 +48,6 @@ static const struct acpi_dlayer acpi_debug_layers[] = {
ACPI_DEBUG_INIT(ACPI_CA_DISASSEMBLER),
ACPI_DEBUG_INIT(ACPI_COMPILER),
ACPI_DEBUG_INIT(ACPI_TOOLS),
-
- ACPI_DEBUG_INIT(ACPI_SBS_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_FAN_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_PCI_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_CONTAINER_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_SYSTEM_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_MEMORY_DEVICE_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_PROCESSOR_COMPONENT),
};
static const struct acpi_dlevel acpi_debug_levels[] = {
@@ -652,8 +641,7 @@ static int get_status(u32 index, acpi_event_status *ret,
if (index < num_gpes) {
status = acpi_get_gpe_device(index, handle);
if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, AE_NOT_FOUND,
- "Invalid GPE 0x%x", index));
+ pr_warn("Invalid GPE 0x%x", index);
return -ENXIO;
}
status = acpi_get_gpe_status(*handle, index, ret);
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 682edd913b3b..3b54b8fd7396 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -512,6 +512,20 @@ EXPORT_SYMBOL(__acpi_handle_debug);
#endif
/**
+ * acpi_evaluation_failure_warn - Log evaluation failure warning.
+ * @handle: Parent object handle.
+ * @name: Name of the object whose evaluation has failed.
+ * @status: Status value returned by the failing object evaluation.
+ */
+void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
+ acpi_status status)
+{
+ acpi_handle_warn(handle, "%s evaluation failed: %s\n", name,
+ acpi_format_exception(status));
+}
+EXPORT_SYMBOL_GPL(acpi_evaluation_failure_warn);
+
+/**
* acpi_has_method: Check whether @handle has a method named @name
* @handle: ACPI device handle
* @name: name of object or method
@@ -797,7 +811,7 @@ static int acpi_dev_match_cb(struct device *dev, const void *data)
* Note that if the device is pluggable, it may since have disappeared.
*
* Note that unlike acpi_dev_found() this function checks the status
- * of the device. So for devices which are present in the dsdt, but
+ * of the device. So for devices which are present in the DSDT, but
* which are disabled (their _STA callback returns 0) this function
* will return false.
*
@@ -824,7 +838,7 @@ EXPORT_SYMBOL(acpi_dev_present);
/**
* acpi_dev_get_next_match_dev - Return the next match of ACPI device
- * @adev: Pointer to the previous acpi_device matching this @hid, @uid and @hrv
+ * @adev: Pointer to the previous ACPI device matching this @hid, @uid and @hrv
* @hid: Hardware ID of the device.
* @uid: Unique ID of the device, pass NULL to not check _UID
* @hrv: Hardware Revision of the device, pass -1 to not check _HRV
@@ -832,7 +846,11 @@ EXPORT_SYMBOL(acpi_dev_present);
* Return the next match of ACPI device if another matching device was present
* at the moment of invocation, or NULL otherwise.
*
- * The caller is responsible to call put_device() on the returned device.
+ * FIXME: The function does not tolerate the sudden disappearance of @adev, e.g.
+ * in the case of a hotplug event. That said, the caller should ensure that
+ * this will never happen.
+ *
+ * The caller is responsible for invoking acpi_dev_put() on the returned device.
*
* See additional information in acpi_dev_present() as well.
*/
@@ -861,7 +879,7 @@ EXPORT_SYMBOL(acpi_dev_get_next_match_dev);
* Return the first match of ACPI device if a matching device was present
* at the moment of invocation, or NULL otherwise.
*
- * The caller is responsible to call put_device() on the returned device.
+ * The caller is responsible for invoking acpi_dev_put() on the returned device.
*
* See additional information in acpi_dev_present() as well.
*/
@@ -872,6 +890,17 @@ acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
}
EXPORT_SYMBOL(acpi_dev_get_first_match_dev);
+/**
+ * acpi_reduced_hardware - Return if this is an ACPI-reduced-hw machine
+ *
+ * Return true when running on an ACPI-reduced-hw machine, false otherwise.
+ */
+bool acpi_reduced_hardware(void)
+{
+ return acpi_gbl_reduced_hardware;
+}
+EXPORT_SYMBOL_GPL(acpi_reduced_hardware);
+
/*
* acpi_backlight= handling, this is done here rather then in video_detect.c
* because __setup cannot be used in modules.
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 83cd4c95faf0..33474fd96991 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -385,6 +385,30 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_BOARD_NAME, "BA51_MV"),
},
},
+ {
+ .callback = video_detect_force_native,
+ .ident = "ASUSTeK COMPUTER INC. GA401",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "GA401"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "ASUSTeK COMPUTER INC. GA502",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "GA502"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "ASUSTeK COMPUTER INC. GA503",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "GA503"),
+ },
+ },
/*
* Desktops which falsely report a backlight and which our heuristics