From 2f3cdad1c616891ab25ce10c1ac146403605b960 Mon Sep 17 00:00:00 2001 From: Jeroen Hofstee Date: Sun, 28 Aug 2022 10:59:10 +0200 Subject: [PATCH] can: gs_usb: add ability to enable / disable berr reporting The open source firmware candleLight report bus errors unconditionally. This adds support to enable / disable bus error reporting with the standard netlink property. Signed-off-by: Jeroen Hofstee Link: https://lore.kernel.org/all/20221019221016.1659260-6-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde --- drivers/net/can/usb/gs_usb.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c index 68e474a..e2e2346 100644 --- a/drivers/net/can/usb/gs_usb.c +++ b/drivers/net/can/usb/gs_usb.c @@ -921,6 +921,9 @@ static int gs_can_open(struct net_device *netdev) if (ctrlmode & CAN_CTRLMODE_ONE_SHOT) flags |= GS_CAN_MODE_ONE_SHOT; + if (ctrlmode & CAN_CTRLMODE_BERR_REPORTING) + flags |= GS_CAN_MODE_BERR_REPORTING; + if (ctrlmode & CAN_CTRLMODE_FD) flags |= GS_CAN_MODE_FD; @@ -1226,6 +1229,9 @@ static struct gs_can *gs_make_candev(unsigned int channel, } } + if (feature & GS_CAN_FEATURE_BERR_REPORTING) + dev->can.ctrlmode_supported |= CAN_CTRLMODE_BERR_REPORTING; + /* The CANtact Pro from LinkLayer Labs is based on the * LPC54616 µC, which is affected by the NXP LPC USB transfer * erratum. However, the current firmware (version 2) doesn't -- 2.7.4