Add function, kvaser_usb_ticks_to_ktime(), that converts from device ticks
to ktime.
Signed-off-by: Jimmy Assarsson <extja@xxxxxxxxxx>
---
drivers/net/can/usb/kvaser_usb/kvaser_usb.h | 8 ++++++++
drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c | 2 +-
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb.h b/drivers/net/can/usb/kvaser_usb/kvaser_usb.h
index ff10b3790d84..f5868e0b3b23 100644
--- a/drivers/net/can/usb/kvaser_usb/kvaser_usb.h
+++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb.h
@@ -22,6 +22,8 @@
*/
#include <linux/completion.h>
+#include <linux/ktime.h>
+#include <linux/math64.h>
#include <linux/spinlock.h>
#include <linux/types.h>
#include <linux/usb.h>
@@ -216,4 +218,10 @@ int kvaser_usb_can_rx_over_error(struct net_device *netdev);
extern const struct can_bittiming_const kvaser_usb_flexc_bittiming_const;
+static inline ktime_t kvaser_usb_ticks_to_ktime(const struct kvaser_usb_dev_cfg *cfg,
+ u64 ticks)
+{
+ return ns_to_ktime(div_u64(ticks * 1000, cfg->timestamp_freq));
+}
+
#endif /* KVASER_USB_H */
diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c
index 28a99d78ba8d..08688514d142 100644
--- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c
+++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c
@@ -553,7 +553,7 @@ static ktime_t kvaser_usb_hydra_ktime_from_cmd(const struct kvaser_usb_dev_cfg *
ticks += (u64)(le16_to_cpu(cmd->tx_ack.timestamp[2])) << 32;
}
- return ns_to_ktime(div_u64(ticks * 1000, cfg->timestamp_freq));
+ return kvaser_usb_ticks_to_ktime(cfg, ticks);
}
static int kvaser_usb_hydra_send_simple_cmd(struct kvaser_usb *dev,
--
2.45.2
