On 12/10/2013 05:07 PM, [email protected] wrote:
From: Dinh Nguyen <[email protected]>
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 <[email protected]>
---
v5: Split up into 2 patches
v4: Simplify the fix by simply returning ~__raw_readl(sched_io_base)
v3: Use APBTMR_N_CURRENT_VALUE define in read_sched_clock()
v2: Maintain backwards compatibility for "dw-apb-timer-sp" and
"dw-apb-timer-osc".
---
drivers/clocksource/dw_apb_timer_of.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clocksource/dw_apb_timer_of.c
b/drivers/clocksource/dw_apb_timer_of.c
index 45ba8ae..b29d7cd 100644
--- a/drivers/clocksource/dw_apb_timer_of.c
+++ b/drivers/clocksource/dw_apb_timer_of.c
@@ -108,7 +108,7 @@ static void __init add_clocksource(struct device_node
*source_timer)
static u64 read_sched_clock(void)
{
- return __raw_readl(sched_io_base);
+ return ~__raw_readl(sched_io_base);
}
Dinh,
I dropped the patch moving the macro definitions as it is not applied
for urgent and I assume it is not needed for the 3.14 as there are no
more patches depending on it.
-- Daniel
static const struct of_device_id sptimer_ids[] __initconst = {
--
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