Clocksource read callback expects incrementing timer values, while
internal timer on Marvell SoCs counts backwards. Fix value returned
by Marvell MVEBU and Orion clocksource drivers.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx>
---
Cc: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx>
Cc: barebox@xxxxxxxxxxxxxxxxxxx
---
drivers/clocksource/mvebu.c | 2 +-
drivers/clocksource/orion.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/clocksource/mvebu.c b/drivers/clocksource/mvebu.c
index 1a9d573..6e5ceba 100644
--- a/drivers/clocksource/mvebu.c
+++ b/drivers/clocksource/mvebu.c
@@ -42,7 +42,7 @@ static __iomem void *timer_base;
uint64_t mvebu_clocksource_read(void)
{
- return __raw_readl(timer_base + TIMER0_VAL_OFF);
+ return 0 - __raw_readl(timer_base + TIMER0_VAL_OFF);
}
static struct clocksource cs = {
diff --git a/drivers/clocksource/orion.c b/drivers/clocksource/orion.c
index d27477a..6902c72 100644
--- a/drivers/clocksource/orion.c
+++ b/drivers/clocksource/orion.c
@@ -34,7 +34,7 @@ static __iomem void *timer_base;
static uint64_t orion_clocksource_read(void)
{
- return __raw_readl(timer_base + TIMER0_VAL);
+ return 0 - __raw_readl(timer_base + TIMER0_VAL);
}
static struct clocksource clksrc = {
--
1.7.2.5
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