diff options
Diffstat (limited to 'drivers/acpi/bus.c')
| -rw-r--r-- | drivers/acpi/bus.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index a52126e4630..37132dc2da0 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -32,6 +32,7 @@ #include <linux/device.h> #include <linux/proc_fs.h> #include <linux/acpi.h> +#include <linux/slab.h> #ifdef CONFIG_X86 #include <asm/mpspec.h> #endif @@ -190,16 +191,16 @@ int acpi_bus_get_power(acpi_handle handle, int *state) * Get the device's power state either directly (via _PSC) or * indirectly (via power resources). */ - if (device->power.flags.explicit_get) { + if (device->power.flags.power_resources) { + result = acpi_power_get_inferred_state(device); + if (result) + return result; + } else if (device->power.flags.explicit_get) { status = acpi_evaluate_integer(device->handle, "_PSC", NULL, &psc); if (ACPI_FAILURE(status)) return -ENODEV; device->power.state = (int)psc; - } else if (device->power.flags.power_resources) { - result = acpi_power_get_inferred_state(device); - if (result) - return result; } *state = device->power.state; |