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path: root/drivers/net/ethernet/mellanox/mlx4/en_clock.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_clock.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_clock.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
index 999014413b1a..90b5309cdb5c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
@@ -32,6 +32,7 @@
*/
#include <linux/mlx4/device.h>
+#include <linux/clocksource.h>
#include "mlx4_en.h"
@@ -147,12 +148,9 @@ static int mlx4_en_phc_adjtime(struct ptp_clock_info *ptp, s64 delta)
struct mlx4_en_dev *mdev = container_of(ptp, struct mlx4_en_dev,
ptp_clock_info);
unsigned long flags;
- s64 now;
write_lock_irqsave(&mdev->clock_lock, flags);
- now = timecounter_read(&mdev->clock);
- now += delta;
- timecounter_init(&mdev->clock, &mdev->cycles, now);
+ timecounter_adjtime(&mdev->clock, delta);
write_unlock_irqrestore(&mdev->clock_lock, flags);
return 0;
@@ -243,7 +241,7 @@ void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev)
{
struct mlx4_dev *dev = mdev->dev;
unsigned long flags;
- u64 ns;
+ u64 ns, zero = 0;
rwlock_init(&mdev->clock_lock);
@@ -268,7 +266,7 @@ void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev)
/* Calculate period in seconds to call the overflow watchdog - to make
* sure counter is checked at least once every wrap around.
*/
- ns = cyclecounter_cyc2ns(&mdev->cycles, mdev->cycles.mask);
+ ns = cyclecounter_cyc2ns(&mdev->cycles, mdev->cycles.mask, zero, &zero);
do_div(ns, NSEC_PER_SEC / 2 / HZ);
mdev->overflow_period = ns;