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Merge tag 'acpi-extra-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

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Pull more ACPI updates from Rafael Wysocki:
 "This includes a couple of fixes needed after recent changes, two ACPI
  driver fixes (fan and "Processor Aggregator"), an update of the ACPI
  device properties handling code and a new MAINTAINERS entry for ACPI
  on ARM64.

  Specifics:

   - Fix an unused function warning that started to appear after recent
     changes in the ACPI EC driver (Eric Biggers).

   - Fix the KERN_CONT usage in acpi_os_vprintf() that has become
     (particularly) annoying recently (Joe Perches).

   - Fix the fan status checking in the ACPI fan driver to avoid
     returning incorrect error codes sometimes (Srinivas Pandruvada).

   - Fix the ACPI Processor Aggregator driver (PAD) to always let the
     special processor_aggregator driver from Xen take over when running
     as Xen dom0 (Juergen Gross).

   - Update the handling of reference device properties in ACPI by
     allowing empty rows ("holes") to appear in reference property lists
     (Mika Westerberg).

   - Add a new MAINTAINERS entry for ACPI on ARM64 (Lorenzo Pieralisi)"

* tag 'acpi-extra-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  acpi_os_vprintf: Use printk_get_level() to avoid unnecessary KERN_CONT
  ACPI / PAD: don't register acpi_pad driver if running as Xen dom0
  ACPI / property: Allow holes in reference properties
  MAINTAINERS: Add ARM64-specific ACPI maintainers entry
  ACPI / EC: Fix unused function warning when CONFIG_PM_SLEEP=n
  ACPI / fan: Fix error reading cur_state
This commit is contained in:
Linus Torvalds
2016-10-14 12:50:05 -07:00
parent ef98988ba3 522533f338
commit b41d037a1f
7 changed files with 122 additions and 55 deletions
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22
include/linux/acpi.h
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@@ -946,9 +946,17 @@ struct acpi_reference_args {
#ifdef CONFIG_ACPI
int acpi_dev_get_property(struct acpi_device *adev, const char *name,
acpi_object_type type, const union acpi_object **obj);
int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
const char *name, size_t index,
struct acpi_reference_args *args);
int __acpi_node_get_property_reference(struct fwnode_handle *fwnode,
const char *name, size_t index, size_t num_args,
struct acpi_reference_args *args);
static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
const char *name, size_t index,
struct acpi_reference_args *args)
{
return __acpi_node_get_property_reference(fwnode, name, index,
MAX_ACPI_REFERENCE_ARGS, args);
}
int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname,
void **valptr);
@@ -1024,6 +1032,14 @@ static inline int acpi_dev_get_property(struct acpi_device *adev,
return -ENXIO;
}
static inline int
__acpi_node_get_property_reference(struct fwnode_handle *fwnode,
const char *name, size_t index, size_t num_args,
struct acpi_reference_args *args)
{
return -ENXIO;
}
static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
const char *name, size_t index,
struct acpi_reference_args *args)