can: kvaser_usb: kvaser_usb_leaf: Get capabilities from device

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Use the CMD_GET_CAPABILITIES_REQ command to query the device for certain
capabilities. We are only interested in LISTENONLY mode and wither the
device reports CAN error counters.

Fixes: 080f40a6fa ("can: kvaser_usb: Add support for Kvaser CAN/USB devices")
Reported-by: Anssi Hannula <anssi.hannula@bitwise.fi>
Tested-by: Anssi Hannula <anssi.hannula@bitwise.fi>
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Link: https://lore.kernel.org/all/20221010185237.319219-3-extja@kvaser.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

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Jimmy Assarsson 2022-10-10 20:52:28 +02:00 • committed by Marc Kleine-Budde

parent a6375fd791

commit 35364f5b41

1 changed files with 143 additions and 1 deletions

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drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c

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