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    Subject[tip:core/locking] drivers/macintosh/adb: Do not claim that the semaphore is a mutex
    Commit-ID:  8192b1f6b1a46b33213b993471356495a93ffc70
    Gitweb: http://git.kernel.org/tip/8192b1f6b1a46b33213b993471356495a93ffc70
    Author: Thomas Gleixner <tglx@linutronix.de>
    AuthorDate: Tue, 7 Sep 2010 14:33:40 +0000
    Committer: Thomas Gleixner <tglx@linutronix.de>
    CommitDate: Tue, 12 Oct 2010 17:36:10 +0200

    drivers/macintosh/adb: Do not claim that the semaphore is a mutex

    User DEFINE_SEMAPHORE() instead of DECLARE_MUTEX()

    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Christoph Hellwig <hch@infradead.org>
    Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
    LKML-Reference: <20100907125057.086367802@linutronix.de>

    ---
    drivers/macintosh/adb.c | 2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)

    diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c
    index 1c4ee6e..bf64e49 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);
    static int sleepy_trackpad;
    static int autopoll_devs;
    int __adb_probe_sync;

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