Merge tag 'v3.9-rc3' into drm-intel-next-queued

Backmerge so that I can merge Imre Deak's coalesced sg entries fixes,
which depend upon the new for_each_sg_page introduce in

commit a321e91b6d73ed011ffceed384c40d2785cf723b
Author: Imre Deak <imre.deak@intel.com>
Date:   Wed Feb 27 17:02:56 2013 -0800

    lib/scatterlist: add simple page iterator

The merge itself is just two trivial conflicts:

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 10 insertions, 6 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-op-mode.h b/drivers/net/wireless/iwlwifi/iwl-op-mode.h
index c8d9b9517468..4a680019e117 100644
--- a/drivers/net/wireless/iwlwifi/iwl-op-mode.h
+++ b/drivers/net/wireless/iwlwifi/iwl-op-mode.h
@@ -5,7 +5,7 @@
  *
  * GPL LICENSE SUMMARY
  *
- * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved.
+ * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -30,7 +30,7 @@
  *
  * BSD LICENSE
  *
- * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved.
+ * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -63,6 +63,8 @@
 #ifndef __iwl_op_mode_h__
 #define __iwl_op_mode_h__
 
+#include <linux/debugfs.h>
+
 struct iwl_op_mode;
 struct iwl_trans;
 struct sk_buff;
@@ -111,13 +113,13 @@ struct iwl_cfg;
  *	May sleep
  * @rx: Rx notification to the op_mode. rxb is the Rx buffer itself. Cmd is the
  *	HCMD the this Rx responds to.
- *	Must be atomic and called with BH disabled.
+ *	This callback may sleep, it is called from a threaded IRQ handler.
  * @queue_full: notifies that a HW queue is full.
  *	Must be atomic and called with BH disabled.
  * @queue_not_full: notifies that a HW queue is not full any more.
  *	Must be atomic and called with BH disabled.
  * @hw_rf_kill:notifies of a change in the HW rf kill switch. True means that
- *	the radio is killed. Must be atomic.
+ *	the radio is killed. May sleep.
  * @free_skb: allows the transport layer to free skbs that haven't been
  *	reclaimed by the op_mode. This can happen when the driver is freed and
  *	there are Tx packets pending in the transport layer.
@@ -128,8 +130,7 @@ struct iwl_cfg;
  *	called with BH disabled.
  * @nic_config: configure NIC, called before firmware is started.
  *	May sleep
- * @wimax_active: invoked when WiMax becomes active.  Must be atomic and called
- *	with BH disabled.
+ * @wimax_active: invoked when WiMax becomes active. May sleep
  */
 struct iwl_op_mode_ops {
 	struct iwl_op_mode *(*start)(struct iwl_trans *trans,
@@ -176,6 +177,7 @@ static inline int iwl_op_mode_rx(struct iwl_op_mode *op_mode,
 				  struct iwl_rx_cmd_buffer *rxb,
 				  struct iwl_device_cmd *cmd)
 {
+	might_sleep();
 	return op_mode->ops->rx(op_mode, rxb, cmd);
 }
 
@@ -194,6 +196,7 @@ static inline void iwl_op_mode_queue_not_full(struct iwl_op_mode *op_mode,
 static inline void iwl_op_mode_hw_rf_kill(struct iwl_op_mode *op_mode,
 					  bool state)
 {
+	might_sleep();
 	op_mode->ops->hw_rf_kill(op_mode, state);
 }
 
@@ -221,6 +224,7 @@ static inline void iwl_op_mode_nic_config(struct iwl_op_mode *op_mode)
 
 static inline void iwl_op_mode_wimax_active(struct iwl_op_mode *op_mode)
 {
+	might_sleep();
 	op_mode->ops->wimax_active(op_mode);
 }