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    Subject[PATCH 3.10 091/129] clocksource: dw_apb_timer_of: Fix read_sched_clock
    Date
    3.10-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Dinh Nguyen <dinguyen@altera.com>

    commit 85dc6ee1237c8a4a7742e6abab96a20389b7d682 upstream.

    The read_sched_clock should return the ~value because the clock is a
    countdown implementation. read_sched_clock() should be the same as
    __apbt_read_clocksource().

    Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
    Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/clocksource/dw_apb_timer_of.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/drivers/clocksource/dw_apb_timer_of.c
    +++ b/drivers/clocksource/dw_apb_timer_of.c
    @@ -77,7 +77,7 @@ static void __iomem *sched_io_base;

    static u32 read_sched_clock(void)
    {
    - return __raw_readl(sched_io_base);
    + return ~__raw_readl(sched_io_base);
    }

    static const struct of_device_id sptimer_ids[] __initconst = {



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