can: bittiming: can_fixup_bittiming(): set effective tq

[platform/kernel/linux-starfive.git] / drivers / net / can / dev / bittiming.c

diff --git a/drivers/net/can/dev/bittiming.c b/drivers/net/can/dev/bittiming.c
index 5e111db..e4917c2 100644 (file)
--- a/drivers/net/can/dev/bittiming.c
+++ b/drivers/net/can/dev/bittiming.c
@@ -40,6 +40,8 @@ static int can_fixup_bittiming(const struct net_device *dev, struct can_bittimin
 
        bt->bitrate = priv->clock.freq / (bt->brp * can_bit_time(bt));
        bt->sample_point = ((CAN_SYNC_SEG + tseg1) * 1000) / can_bit_time(bt);
+       bt->tq = DIV_U64_ROUND_CLOSEST(mul_u32_u32(bt->brp, NSEC_PER_SEC),
+                                      priv->clock.freq);
 
        return 0;
 }