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    Subject[PATCH 14/18] mn10300: switch do_timer() to xtimer_update()
    Date
    xtimer_update() properly takes the xtime_lock.
    mn10300_last_tsc is only accessed from this function.

    Signed-off-by: Torben Hohn <torbenh@gmx.de>
    ---
    arch/mn10300/kernel/time.c | 6 +-----
    1 files changed, 1 insertions(+), 5 deletions(-)

    diff --git a/arch/mn10300/kernel/time.c b/arch/mn10300/kernel/time.c
    index 75da468..5b95500 100644
    --- a/arch/mn10300/kernel/time.c
    +++ b/arch/mn10300/kernel/time.c
    @@ -104,8 +104,6 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
    unsigned tsc, elapse;
    irqreturn_t ret;

    - write_seqlock(&xtime_lock);
    -
    while (tsc = get_cycles(),
    elapse = tsc - mn10300_last_tsc, /* time elapsed since last
    * tick */
    @@ -114,11 +112,9 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
    mn10300_last_tsc += MN10300_TSC_PER_HZ;

    /* advance the kernel's time tracking system */
    - do_timer(1);
    + xtime_update(1);
    }

    - write_sequnlock(&xtime_lock);
    -
    ret = local_timer_interrupt();
    #ifdef CONFIG_SMP
    send_IPI_allbutself(LOCAL_TIMER_IPI);
    --
    1.7.2.3


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