| From 17f5c647718e8383e459c6a86a9e82cb64ace93e Mon Sep 17 00:00:00 2001 |
| From: Thomas Gleixner <tglx@linutronix.de> |
| Date: Sun, 26 Jul 2009 00:25:18 +0200 |
| Subject: [PATCH] drivers/macintosh/adb: Do not claim that the semaphore is a mutex |
| |
| commit 9b499baa6a91c12360b69b0402171d760c2b6eb5 in tip. |
| |
| The usage of this "mutex" is non obvious and used as completion in |
| some places. Make it a semaphore. |
| |
| Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
| Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> |
| |
| diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c |
| index 23741ce..14910a0 100644 |
| --- a/drivers/macintosh/adb.c |
| +++ b/drivers/macintosh/adb.c |
| @@ -83,7 +83,7 @@ static struct adb_driver *adb_controller; |
| BLOCKING_NOTIFIER_HEAD(adb_client_list); |
| static int adb_got_sleep; |
| static int adb_inited; |
| -static DECLARE_MUTEX(adb_probe_mutex); |
| +static DEFINE_SEMAPHORE(adb_probe_mutex, 1); |
| static int sleepy_trackpad; |
| static int autopoll_devs; |
| int __adb_probe_sync; |
| -- |
| 1.7.1.1 |
| |