Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: (368 commits)
  Staging: winbond: fix up wireless api errors
  Staging: dream: camera: sk5k3e2fx: fix code style issues
  Staging: dream: camera: msm_camera: fix code style issues
  Staging: wlan-ng: More checkpatch.pl error cleanups
  Staging: wlan-ng - checkpatch.pl fixups
  Staging: comedi: comedi_fops.c: Checkpatch cleanup
  Staging: comedi: fix suspect code indent in ni_labpc.c
  Staging: comedi: fix yet another brace coding style issue in ni_labpc.c
  Staging: comedi: fix another brace coding style issues in ni_labpc.c
  Staging: comedi: fix brace coding style issue in ni_labpc.c
  Staging: comedi: poc: Adding some KERN_ facility level
  Staging: dream: camera: msm_camera: fix some code style issues
  Staging: wlan-ng: fix most of the style issues in hfa384x.h
  Staging: dream: camera: msm_camera: fix coding style issues
  Staging: comedi: fix bracing coding style and 80 character issues in ni_660x.c
  Staging: comedi: fix bracing coding style issue in ni_65xx.c
  Staging: comedi: pcmad: Checkpatch cleanups
  Staging: comedi: poc: fix coding style issues
  staging: dt3155: revert u_long to u64 usage
  Staging: comedi: drivers.c: Checkpatch cleanup
  ...

1 files changed, 91 insertions, 0 deletions

diff --git a/drivers/staging/dream/include/linux/wakelock.h b/drivers/staging/dream/include/linux/wakelock.h
new file mode 100644
index 00000000000..93c31a4d1ca
--- /dev/null
+++ b/drivers/staging/dream/include/linux/wakelock.h
@@ -0,0 +1,91 @@
+/* drivers/staging/dream/include/linux/wakelock.h
+ *
+ * Copyright (C) 2007-2008 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _LINUX_WAKELOCK_H
+#define _LINUX_WAKELOCK_H
+
+#include <linux/list.h>
+#include <linux/ktime.h>
+
+/* A wake_lock prevents the system from entering suspend or other low power
+ * states when active. If the type is set to WAKE_LOCK_SUSPEND, the wake_lock
+ * prevents a full system suspend. If the type is WAKE_LOCK_IDLE, low power
+ * states that cause large interrupt latencies or that disable a set of
+ * interrupts will not entered from idle until the wake_locks are released.
+ */
+
+enum {
+	WAKE_LOCK_SUSPEND, /* Prevent suspend */
+	WAKE_LOCK_IDLE,    /* Prevent low power idle */
+	WAKE_LOCK_TYPE_COUNT
+};
+
+struct wake_lock {
+#ifdef CONFIG_HAS_WAKELOCK
+	struct list_head    link;
+	int                 flags;
+	const char         *name;
+	unsigned long       expires;
+#ifdef CONFIG_WAKELOCK_STAT
+	struct {
+		int             count;
+		int             expire_count;
+		int             wakeup_count;
+		ktime_t         total_time;
+		ktime_t         prevent_suspend_time;
+		ktime_t         max_time;
+		ktime_t         last_time;
+	} stat;
+#endif
+#endif
+};
+
+#ifdef CONFIG_HAS_WAKELOCK
+
+void wake_lock_init(struct wake_lock *lock, int type, const char *name);
+void wake_lock_destroy(struct wake_lock *lock);
+void wake_lock(struct wake_lock *lock);
+void wake_lock_timeout(struct wake_lock *lock, long timeout);
+void wake_unlock(struct wake_lock *lock);
+
+/* wake_lock_active returns a non-zero value if the wake_lock is currently
+ * locked. If the wake_lock has a timeout, it does not check the timeout
+ * but if the timeout had aready been checked it will return 0.
+ */
+int wake_lock_active(struct wake_lock *lock);
+
+/* has_wake_lock returns 0 if no wake locks of the specified type are active,
+ * and non-zero if one or more wake locks are held. Specifically it returns
+ * -1 if one or more wake locks with no timeout are active or the
+ * number of jiffies until all active wake locks time out.
+ */
+long has_wake_lock(int type);
+
+#else
+
+static inline void wake_lock_init(struct wake_lock *lock, int type,
+					const char *name) {}
+static inline void wake_lock_destroy(struct wake_lock *lock) {}
+static inline void wake_lock(struct wake_lock *lock) {}
+static inline void wake_lock_timeout(struct wake_lock *lock, long timeout) {}
+static inline void wake_unlock(struct wake_lock *lock) {}
+
+static inline int wake_lock_active(struct wake_lock *lock) { return 0; }
+static inline long has_wake_lock(int type) { return 0; }
+
+#endif
+
+#endif
+