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path: root/drivers/net/wireless/rt2x00/rt2x00dev.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00dev.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00dev.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index bd305f7f3efd..e873a39fcce3 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -1393,11 +1393,20 @@ int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state)
1393 1393
1394exit: 1394exit:
1395 /* 1395 /*
1396 * Set device mode to sleep for power management. 1396 * Set device mode to sleep for power management,
1397 * on some hardware this call seems to consistently fail.
1398 * From the specifications it is hard to tell why it fails,
1399 * and if this is a "bad thing".
1400 * Overall it is safe to just ignore the failure and
1401 * continue suspending. The only downside is that the
1402 * device will not be in optimal power save mode, but with
1403 * the radio and the other components already disabled the
1404 * device is as good as disabled.
1397 */ 1405 */
1398 retval = rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_SLEEP); 1406 retval = rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_SLEEP);
1399 if (retval) 1407 if (retval)
1400 return retval; 1408 WARNING(rt2x00dev, "Device failed to enter sleep state, "
1409 "continue suspending.\n");
1401 1410
1402 return 0; 1411 return 0;
1403} 1412}