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authorJiri Kosina <jkosina@suse.cz>2010-04-22 20:08:44 -0400
committerJiri Kosina <jkosina@suse.cz>2010-04-22 20:08:44 -0400
commit6c9468e9eb1252eaefd94ce7f06e1be9b0b641b1 (patch)
tree797676a336b050bfa1ef879377c07e541b9075d6 /drivers/acpi/bus.c
parent4cb3ca7cd7e2cae8d1daf5345ec99a1e8502cf3f (diff)
parentc81eddb0e3728661d1585fbc564449c94165cc36 (diff)
Merge branch 'master' into for-next
Diffstat (limited to 'drivers/acpi/bus.c')
-rw-r--r--drivers/acpi/bus.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index a52126e46307..37132dc2da03 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -32,6 +32,7 @@
32#include <linux/device.h> 32#include <linux/device.h>
33#include <linux/proc_fs.h> 33#include <linux/proc_fs.h>
34#include <linux/acpi.h> 34#include <linux/acpi.h>
35#include <linux/slab.h>
35#ifdef CONFIG_X86 36#ifdef CONFIG_X86
36#include <asm/mpspec.h> 37#include <asm/mpspec.h>
37#endif 38#endif
@@ -190,16 +191,16 @@ int acpi_bus_get_power(acpi_handle handle, int *state)
190 * Get the device's power state either directly (via _PSC) or 191 * Get the device's power state either directly (via _PSC) or
191 * indirectly (via power resources). 192 * indirectly (via power resources).
192 */ 193 */
193 if (device->power.flags.explicit_get) { 194 if (device->power.flags.power_resources) {
195 result = acpi_power_get_inferred_state(device);
196 if (result)
197 return result;
198 } else if (device->power.flags.explicit_get) {
194 status = acpi_evaluate_integer(device->handle, "_PSC", 199 status = acpi_evaluate_integer(device->handle, "_PSC",
195 NULL, &psc); 200 NULL, &psc);
196 if (ACPI_FAILURE(status)) 201 if (ACPI_FAILURE(status))
197 return -ENODEV; 202 return -ENODEV;
198 device->power.state = (int)psc; 203 device->power.state = (int)psc;
199 } else if (device->power.flags.power_resources) {
200 result = acpi_power_get_inferred_state(device);
201 if (result)
202 return result;
203 } 204 }
204 205
205 *state = device->power.state; 206 *state = device->power.state;