From: Arnd Bergmann <arnd@xxxxxxxx> Rework the delay calculation to only require a single 64-bit division. Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> [mkl: port to on-top of existing 32-bit division fix] Link: https://patch.msgid.link/20240911-can-rockchip_canfd-fixes-v1-1-5ce385b5ab10@xxxxxxxxxxxxxx Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> --- drivers/net/can/rockchip/rockchip_canfd-timestamp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/can/rockchip/rockchip_canfd-timestamp.c b/drivers/net/can/rockchip/rockchip_canfd-timestamp.c index fb1a8f4e6217..43d4b5721812 100644 --- a/drivers/net/can/rockchip/rockchip_canfd-timestamp.c +++ b/drivers/net/can/rockchip/rockchip_canfd-timestamp.c @@ -71,8 +71,8 @@ void rkcanfd_timestamp_init(struct rkcanfd_priv *priv) max_cycles = div_u64(ULLONG_MAX, cc->mult); max_cycles = min(max_cycles, cc->mask); - work_delay_ns = div_u64(clocksource_cyc2ns(max_cycles, cc->mult, cc->shift), 3); - priv->work_delay_jiffies = nsecs_to_jiffies(work_delay_ns); + work_delay_ns = clocksource_cyc2ns(max_cycles, cc->mult, cc->shift); + priv->work_delay_jiffies = div_u64(work_delay_ns, 3u * NSEC_PER_SEC / HZ); INIT_DELAYED_WORK(&priv->timestamp, rkcanfd_timestamp_work); netdev_dbg(priv->ndev, "clock=%lu.%02luMHz bitrate=%lu.%02luMBit/s div=%u rate=%lu.%02luMHz mult=%u shift=%u delay=%lus\n", -- 2.45.2
