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Linux 3.17

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Merge tag 'v3.17' into next

Synchronize with mainline to bring in changes to Synaptics and i8042
drivers.
This commit is contained in:
Dmitry Torokhov 2014-10-11 11:34:07 -07:00
commit 9d93551188
925 changed files with 9658 additions and 5139 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/acpi/acpi_cmos_rtc.c
View file

@ -33,7 +33,7 @@ acpi_cmos_rtc_space_handler(u32 function, acpi_physical_address address,
void *handler_context, void *region_context)
{
int i;
u8 *value = (u8 *)&value64;
u8 *value = (u8 *)value64;
if (address > 0xff || !value64)
return AE_BAD_PARAMETER;

11
drivers/acpi/acpi_lpss.c
View file

@ -419,7 +419,6 @@ static int acpi_lpss_create_device(struct acpi_device *adev,
adev->driver_data = pdata;
pdev = acpi_create_platform_device(adev);
if (!IS_ERR_OR_NULL(pdev)) {
device_enable_async_suspend(&pdev->dev);
return 1;
}
@ -610,7 +609,7 @@ static int acpi_lpss_suspend_late(struct device *dev)
return acpi_dev_suspend_late(dev);
}
static int acpi_lpss_restore_early(struct device *dev)
static int acpi_lpss_resume_early(struct device *dev)
{
int ret = acpi_dev_resume_early(dev);
@ -650,15 +649,15 @@ static int acpi_lpss_runtime_resume(struct device *dev)
static struct dev_pm_domain acpi_lpss_pm_domain = {
.ops = {
#ifdef CONFIG_PM_SLEEP
.suspend_late = acpi_lpss_suspend_late,
.restore_early = acpi_lpss_restore_early,
.prepare = acpi_subsys_prepare,
.complete = acpi_subsys_complete,
.suspend = acpi_subsys_suspend,
.resume_early = acpi_subsys_resume_early,
.suspend_late = acpi_lpss_suspend_late,
.resume_early = acpi_lpss_resume_early,
.freeze = acpi_subsys_freeze,
.poweroff = acpi_subsys_suspend,
.poweroff_late = acpi_subsys_suspend_late,
.poweroff_late = acpi_lpss_suspend_late,
.restore_early = acpi_lpss_resume_early,
#endif
#ifdef CONFIG_PM_RUNTIME
.runtime_suspend = acpi_lpss_runtime_suspend,

1
drivers/acpi/acpica/aclocal.h
View file

@ -254,6 +254,7 @@ struct acpi_create_field_info {
u32 field_bit_position;
u32 field_bit_length;
u16 resource_length;
u16 pin_number_index;
u8 field_flags;
u8 attribute;
u8 field_type;

1
drivers/acpi/acpica/acobject.h
View file

@ -264,6 +264,7 @@ struct acpi_object_region_field {
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO u16 resource_length;
union acpi_operand_object *region_obj; /* Containing op_region object */
u8 *resource_buffer; /* resource_template for serial regions/fields */
u16 pin_number_index; /* Index relative to previous Connection/Template */
};
struct acpi_object_bank_field {

2
drivers/acpi/acpica/dsfield.c
View file

@ -360,6 +360,7 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info,
*/
info->resource_buffer = NULL;
info->connection_node = NULL;
info->pin_number_index = 0;
/*
* A Connection() is either an actual resource descriptor (buffer)
@ -437,6 +438,7 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info,
}
info->field_bit_position += info->field_bit_length;
info->pin_number_index++; /* Index relative to previous Connection() */
break;
default:

47
drivers/acpi/acpica/evregion.c
View file

@ -142,6 +142,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
union acpi_operand_object *region_obj2;
void *region_context = NULL;
struct acpi_connection_info *context;
acpi_physical_address address;
ACPI_FUNCTION_TRACE(ev_address_space_dispatch);
@ -231,25 +232,23 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
/* We have everything we need, we can invoke the address space handler */
handler = handler_desc->address_space.handler;
ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
"Handler %p (@%p) Address %8.8X%8.8X [%s]\n",
&region_obj->region.handler->address_space, handler,
ACPI_FORMAT_NATIVE_UINT(region_obj->region.address +
region_offset),
acpi_ut_get_region_name(region_obj->region.
space_id)));
address = (region_obj->region.address + region_offset);
/*
* Special handling for generic_serial_bus and general_purpose_io:
* There are three extra parameters that must be passed to the
* handler via the context:
* 1) Connection buffer, a resource template from Connection() op.
* 2) Length of the above buffer.
* 3) Actual access length from the access_as() op.
* 1) Connection buffer, a resource template from Connection() op
* 2) Length of the above buffer
* 3) Actual access length from the access_as() op
*
* In addition, for general_purpose_io, the Address and bit_width fields
* are defined as follows:
* 1) Address is the pin number index of the field (bit offset from
* the previous Connection)
* 2) bit_width is the actual bit length of the field (number of pins)
*/
if (((region_obj->region.space_id == ACPI_ADR_SPACE_GSBUS) ||
(region_obj->region.space_id == ACPI_ADR_SPACE_GPIO)) &&
if ((region_obj->region.space_id == ACPI_ADR_SPACE_GSBUS) &&
context && field_obj) {
/* Get the Connection (resource_template) buffer */
@ -258,6 +257,24 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
context->length = field_obj->field.resource_length;
context->access_length = field_obj->field.access_length;
}
if ((region_obj->region.space_id == ACPI_ADR_SPACE_GPIO) &&
context && field_obj) {
/* Get the Connection (resource_template) buffer */
context->connection = field_obj->field.resource_buffer;
context->length = field_obj->field.resource_length;
context->access_length = field_obj->field.access_length;
address = field_obj->field.pin_number_index;
bit_width = field_obj->field.bit_length;
}
ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
"Handler %p (@%p) Address %8.8X%8.8X [%s]\n",
&region_obj->region.handler->address_space, handler,
ACPI_FORMAT_NATIVE_UINT(address),
acpi_ut_get_region_name(region_obj->region.
space_id)));
if (!(handler_desc->address_space.handler_flags &
ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) {
@ -271,9 +288,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
/* Call the handler */
status = handler(function,
(region_obj->region.address + region_offset),
bit_width, value, context,
status = handler(function, address, bit_width, value, context,
region_obj2->extra.region_context);
if (ACPI_FAILURE(status)) {

67
drivers/acpi/acpica/exfield.c
View file

@ -253,6 +253,37 @@ acpi_ex_read_data_from_field(struct acpi_walk_state * walk_state,
buffer = &buffer_desc->integer.value;
}
if ((obj_desc->common.type == ACPI_TYPE_LOCAL_REGION_FIELD) &&
(obj_desc->field.region_obj->region.space_id ==
ACPI_ADR_SPACE_GPIO)) {
/*
* For GPIO (general_purpose_io), the Address will be the bit offset
* from the previous Connection() operator, making it effectively a
* pin number index. The bit_length is the length of the field, which
* is thus the number of pins.
*/
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"GPIO FieldRead [FROM]: Pin %u Bits %u\n",
obj_desc->field.pin_number_index,
obj_desc->field.bit_length));
/* Lock entire transaction if requested */
acpi_ex_acquire_global_lock(obj_desc->common_field.field_flags);
/* Perform the write */
status = acpi_ex_access_region(obj_desc, 0,
(u64 *)buffer, ACPI_READ);
acpi_ex_release_global_lock(obj_desc->common_field.field_flags);
if (ACPI_FAILURE(status)) {
acpi_ut_remove_reference(buffer_desc);
} else {
*ret_buffer_desc = buffer_desc;
}
return_ACPI_STATUS(status);
}
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"FieldRead [TO]: Obj %p, Type %X, Buf %p, ByteLen %X\n",
obj_desc, obj_desc->common.type, buffer,
@ -413,6 +444,42 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
*result_desc = buffer_desc;
return_ACPI_STATUS(status);
} else if ((obj_desc->common.type == ACPI_TYPE_LOCAL_REGION_FIELD) &&
(obj_desc->field.region_obj->region.space_id ==
ACPI_ADR_SPACE_GPIO)) {
/*
* For GPIO (general_purpose_io), we will bypass the entire field
* mechanism and handoff the bit address and bit width directly to
* the handler. The Address will be the bit offset
* from the previous Connection() operator, making it effectively a
* pin number index. The bit_length is the length of the field, which
* is thus the number of pins.
*/
if (source_desc->common.type != ACPI_TYPE_INTEGER) {
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"GPIO FieldWrite [FROM]: (%s:%X), Val %.8X [TO]: Pin %u Bits %u\n",
acpi_ut_get_type_name(source_desc->common.
type),
source_desc->common.type,
(u32)source_desc->integer.value,
obj_desc->field.pin_number_index,
obj_desc->field.bit_length));
buffer = &source_desc->integer.value;
/* Lock entire transaction if requested */
acpi_ex_acquire_global_lock(obj_desc->common_field.field_flags);
/* Perform the write */
status = acpi_ex_access_region(obj_desc, 0,
(u64 *)buffer, ACPI_WRITE);
acpi_ex_release_global_lock(obj_desc->common_field.field_flags);
return_ACPI_STATUS(status);
}
/* Get a pointer to the data to be written */

2
drivers/acpi/acpica/exprep.c
View file

@ -484,6 +484,8 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
obj_desc->field.resource_length = info->resource_length;
}
obj_desc->field.pin_number_index = info->pin_number_index;
/* Allow full data read from EC address space */
if ((obj_desc->field.region_obj->region.space_id ==

39
drivers/acpi/acpica/nsprepkg.c
View file

@ -316,6 +316,45 @@ acpi_ns_check_package(struct acpi_evaluate_info *info,
acpi_ns_check_package_list(info, package, elements, count);
break;
case ACPI_PTYPE2_UUID_PAIR:
/* The package must contain pairs of (UUID + type) */
if (count & 1) {
expected_count = count + 1;
goto package_too_small;
}
while (count > 0) {
status = acpi_ns_check_object_type(info, elements,
package->ret_info.
object_type1, 0);
if (ACPI_FAILURE(status)) {
return (status);
}
/* Validate length of the UUID buffer */
if ((*elements)->buffer.length != 16) {
ACPI_WARN_PREDEFINED((AE_INFO,
info->full_pathname,
info->node_flags,
"Invalid length for UUID Buffer"));
return (AE_AML_OPERAND_VALUE);
}
status = acpi_ns_check_object_type(info, elements + 1,
package->ret_info.
object_type2, 0);
if (ACPI_FAILURE(status)) {
return (status);
}
elements += 2;
count -= 2;
}
break;
default:
/* Should not get here if predefined info table is correct */

14
drivers/acpi/battery.c
View file

@ -534,20 +534,6 @@ static int acpi_battery_get_state(struct acpi_battery *battery)
" invalid.\n");
}
/*
* When fully charged, some batteries wrongly report
* capacity_now = design_capacity instead of = full_charge_capacity
*/
if (battery->capacity_now > battery->full_charge_capacity
&& battery->full_charge_capacity != ACPI_BATTERY_VALUE_UNKNOWN) {
if (battery->capacity_now != battery->design_capacity)
printk_once(KERN_WARNING FW_BUG
"battery: reported current charge level (%d) "
"is higher than reported maximum charge level (%d).\n",
battery->capacity_now, battery->full_charge_capacity);
battery->capacity_now = battery->full_charge_capacity;
}
if (test_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags)
&& battery->capacity_now >= 0 && battery->capacity_now <= 100)
battery->capacity_now = (battery->capacity_now *

10
drivers/acpi/bus.c
View file

@ -177,16 +177,6 @@ void acpi_bus_detach_private_data(acpi_handle handle)
}
EXPORT_SYMBOL_GPL(acpi_bus_detach_private_data);
void acpi_bus_no_hotplug(acpi_handle handle)
{
struct acpi_device *adev = NULL;
acpi_bus_get_device(handle, &adev);
if (adev)
adev->flags.no_hotplug = true;
}
EXPORT_SYMBOL_GPL(acpi_bus_no_hotplug);
static void acpi_print_osc_error(acpi_handle handle,
struct acpi_osc_context *context, char *error)
{

8
drivers/acpi/container.c
View file

@ -99,6 +99,13 @@ static void container_device_detach(struct acpi_device *adev)
device_unregister(dev);
}
static void container_device_online(struct acpi_device *adev)
{
struct device *dev = acpi_driver_data(adev);
kobject_uevent(&dev->kobj, KOBJ_ONLINE);
}
static struct acpi_scan_handler container_handler = {
.ids = container_device_ids,
.attach = container_device_attach,
@ -106,6 +113,7 @@ static struct acpi_scan_handler container_handler = {
.hotplug = {
.enabled = true,
.demand_offline = true,
.notify_online = container_device_online,
},
};

4
drivers/acpi/ec.c
View file

@ -1030,6 +1030,10 @@ static struct dmi_system_id ec_dmi_table[] __initdata = {
DMI_MATCH(DMI_SYS_VENDOR, "Quanta"),
DMI_MATCH(DMI_PRODUCT_NAME, "TW9/SW9"),}, NULL},
{
ec_flag_msi, "Clevo W350etq", {
DMI_MATCH(DMI_SYS_VENDOR, "CLEVO CO."),
DMI_MATCH(DMI_PRODUCT_NAME, "W35_37ET"),}, NULL},
{
ec_validate_ecdt, "ASUS hardware", {
DMI_MATCH(DMI_BIOS_VENDOR, "ASUS") }, NULL},
{

4
drivers/acpi/processor_idle.c
View file

@ -1071,9 +1071,9 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr)
if (pr->id == 0 && cpuidle_get_driver() == &acpi_idle_driver) {
cpuidle_pause_and_lock();
/* Protect against cpu-hotplug */
get_online_cpus();
cpuidle_pause_and_lock();
/* Disable all cpuidle devices */
for_each_online_cpu(cpu) {
@ -1100,8 +1100,8 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr)
cpuidle_enable_device(dev);
}
}
put_online_cpus();
cpuidle_resume_and_unlock();
put_online_cpus();
}
return 0;

20
drivers/acpi/scan.c
View file

@ -130,7 +130,7 @@ static int create_modalias(struct acpi_device *acpi_dev, char *modalias,
list_for_each_entry(id, &acpi_dev->pnp.ids, list) {
count = snprintf(&modalias[len], size, "%s:", id->id);
if (count < 0)
return EINVAL;
return -EINVAL;
if (count >= size)
return -ENOMEM;
len += count;
@ -667,8 +667,14 @@ static ssize_t
acpi_device_sun_show(struct device *dev, struct device_attribute *attr,
char *buf) {
struct acpi_device *acpi_dev = to_acpi_device(dev);
acpi_status status;
unsigned long long sun;
return sprintf(buf, "%lu\n", acpi_dev->pnp.sun);
status = acpi_evaluate_integer(acpi_dev->handle, "_SUN", NULL, &sun);
if (ACPI_FAILURE(status))
return -ENODEV;
return sprintf(buf, "%llu\n", sun);
}
static DEVICE_ATTR(sun, 0444, acpi_device_sun_show, NULL);
@ -690,7 +696,6 @@ static int acpi_device_setup_files(struct acpi_device *dev)
{
struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
acpi_status status;
unsigned long long sun;
int result = 0;
/*
@ -731,14 +736,10 @@ static int acpi_device_setup_files(struct acpi_device *dev)
if (dev->pnp.unique_id)
result = device_create_file(&dev->dev, &dev_attr_uid);
status = acpi_evaluate_integer(dev->handle, "_SUN", NULL, &sun);
if (ACPI_SUCCESS(status)) {
dev->pnp.sun = (unsigned long)sun;
if (acpi_has_method(dev->handle, "_SUN")) {
result = device_create_file(&dev->dev, &dev_attr_sun);
if (result)
goto end;
} else {
dev->pnp.sun = (unsigned long)-1;
}
if (acpi_has_method(dev->handle, "_STA")) {
@ -2188,6 +2189,9 @@ static void acpi_bus_attach(struct acpi_device *device)
ok:
list_for_each_entry(child, &device->children, node)
acpi_bus_attach(child);
if (device->handler && device->handler->hotplug.notify_online)
device->handler->hotplug.notify_online(device);
}
/**

53
drivers/acpi/video.c
View file

@ -82,9 +82,9 @@ module_param(allow_duplicates, bool, 0644);
* For Windows 8 systems: used to decide if video module
* should skip registering backlight interface of its own.
*/
static int use_native_backlight_param = 1;
static int use_native_backlight_param = -1;
module_param_named(use_native_backlight, use_native_backlight_param, int, 0444);
static bool use_native_backlight_dmi = false;
static bool use_native_backlight_dmi = true;
static int register_count;
static struct mutex video_list_lock;
@ -417,6 +417,12 @@ static int __init video_set_use_native_backlight(const struct dmi_system_id *d)
return 0;
}
static int __init video_disable_native_backlight(const struct dmi_system_id *d)
{
use_native_backlight_dmi = false;
return 0;
}
static struct dmi_system_id video_dmi_table[] __initdata = {
/*
* Broken _BQC workaround http://bugzilla.kernel.org/show_bug.cgi?id=13121
@ -720,6 +726,49 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook 8780w"),
},
},
/*
* These models have a working acpi_video backlight control, and using
* native backlight causes a regression where backlight does not work
* when userspace is not handling brightness key events. Disable
* native_backlight on these to fix this:
* https://bugzilla.kernel.org/show_bug.cgi?id=81691
*/
{
.callback = video_disable_native_backlight,
.ident = "ThinkPad T420",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T420"),
},
},
{
.callback = video_disable_native_backlight,
.ident = "ThinkPad T520",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T520"),
},
},
{
.callback = video_disable_native_backlight,
.ident = "ThinkPad X201s",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201s"),
},
},
/* The native backlight controls do not work on some older machines */
{
/* https://bugs.freedesktop.org/show_bug.cgi?id=81515 */
.callback = video_disable_native_backlight,
.ident = "HP ENVY 15 Notebook",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
DMI_MATCH(DMI_PRODUCT_NAME, "HP ENVY 15 Notebook PC"),
},
},
{}
};