summaryrefslogtreecommitdiffstats
path: root/drivers/acpi
diff options
context:
space:
mode:
authorSakari Ailus <sakari.ailus@linux.intel.com>2017-06-06 11:37:36 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-06-22 02:55:34 +0200
commitcde1f95f407a593ad6baf1b7b01daa2c6cbd34fd (patch)
tree2797687bbdb77a7a23b39b3d55dd955bf42bdfcc /drivers/acpi
parentMerge branch 'dt/property-move' of git://git.kernel.org/pub/scm/linux/kernel/... (diff)
downloadlinux-cde1f95f407a593ad6baf1b7b01daa2c6cbd34fd.tar.xz
linux-cde1f95f407a593ad6baf1b7b01daa2c6cbd34fd.zip
ACPI: Constify argument to acpi_device_is_present()
This will be needed in constifying the fwnode API. The side effects the function had have been moved to the callers. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/device_pm.c4
-rw-r--r--drivers/acpi/internal.h2
-rw-r--r--drivers/acpi/scan.c9
3 files changed, 7 insertions, 8 deletions
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 993fd31394c8..e565ed329f11 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -261,8 +261,10 @@ int acpi_bus_init_power(struct acpi_device *device)
return -EINVAL;
device->power.state = ACPI_STATE_UNKNOWN;
- if (!acpi_device_is_present(device))
+ if (!acpi_device_is_present(device)) {
+ device->flags.initialized = false;
return -ENXIO;
+ }
result = acpi_device_get_power(device, &state);
if (result)
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 66229ffa909b..73002402c461 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -111,7 +111,7 @@ 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);
void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
-bool acpi_device_is_present(struct acpi_device *adev);
+bool acpi_device_is_present(const struct acpi_device *adev);
bool acpi_device_is_battery(struct acpi_device *adev);
bool acpi_device_is_first_physical_node(struct acpi_device *adev,
const struct device *dev);
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 3a10d7573477..c98f88b28948 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1567,13 +1567,9 @@ static int acpi_bus_type_and_status(acpi_handle handle, int *type,
return 0;
}
-bool acpi_device_is_present(struct acpi_device *adev)
+bool acpi_device_is_present(const struct acpi_device *adev)
{
- if (adev->status.present || adev->status.functional)
- return true;
-
- adev->flags.initialized = false;
- return false;
+ return adev->status.present || adev->status.functional;
}
static bool acpi_scan_handler_matching(struct acpi_scan_handler *handler,
@@ -1831,6 +1827,7 @@ static void acpi_bus_attach(struct acpi_device *device)
acpi_bus_get_status(device);
/* Skip devices that are not present. */
if (!acpi_device_is_present(device)) {
+ device->flags.initialized = false;
acpi_device_clear_enumerated(device);
device->flags.power_manageable = 0;
return;