Thread (16 messages) 16 messages, 1 author, 2026-03-06
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[PATCH v6 09/15] can: grcan: Add saving and restoring of CAN FD baud-rate registers

From: Arun Muthusamy <hidden>
Date: 2026-03-06 16:29:59
Also in: linux-can, lkml
Subsystem: can network drivers, the rest · Maintainers: Marc Kleine-Budde, Vincent Mailhol, Linus Torvalds

From: Daniel Hellstrom <redacted>

While reset the GRCAN baud-rates are preserved, since GRCANFD has the
baud-rate in different registers we need to add saving of those
registers too.

Signed-off-by: Daniel Hellstrom <redacted>
Signed-off-by: Arun Muthusamy <redacted>
---
 drivers/net/can/grcan.c | 2 ++
 1 file changed, 2 insertions(+)
diff --git a/drivers/net/can/grcan.c b/drivers/net/can/grcan.c
index 74caedbcd55d..1cfc8d90573a 100644
--- a/drivers/net/can/grcan.c
+++ b/drivers/net/can/grcan.c
@@ -528,6 +528,8 @@ static void grcan_reset(struct net_device *dev)
 
 	/* Turn off hardware filtering - regs->rxcode set to 0 by reset */
 	grcan_write_reg(&regs->rxmask, 0);
+
+	priv->hwcap->set_bittiming(dev);
 }
 
 /* stop device without changing any configurations */
-- 
2.51.0
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