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can: kvaser_usb: Compare requested bittiming parameters with actual parameters in...
authorJimmy Assarsson <extja@kvaser.com>
Mon, 10 Oct 2022 18:52:37 +0000 (20:52 +0200)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Wed, 26 Oct 2022 08:19:50 +0000 (10:19 +0200)
commit39d3df6b0ea80f9b515c632ca07b39b1c156edee
treeabcd4ca68d88257a0c027187c95aca44f097a5ba
parent00e5786177649c1e3110f9454fdd34e336597265
can: kvaser_usb: Compare requested bittiming parameters with actual parameters in do_set_{,data}_bittiming

The device will respond with a CMD_ERROR_EVENT command, with error_code
KVASER_USB_{LEAF,HYDRA}_ERROR_EVENT_PARAM, if the CMD_SET_BUSPARAMS_REQ
contains invalid bittiming parameters.
However, this command does not contain any channel reference.

To check if the CMD_SET_BUSPARAMS_REQ was successful, redback and compare
the requested bittiming parameters with the device reported parameters.

Fixes: 080f40a6fa28 ("can: kvaser_usb: Add support for Kvaser CAN/USB devices")
Fixes: aec5fb2268b7 ("can: kvaser_usb: Add support for Kvaser USB hydra family")
Tested-by: Anssi Hannula <anssi.hannula@bitwise.fi>
Co-developed-by: Anssi Hannula <anssi.hannula@bitwise.fi>
Signed-off-by: Anssi Hannula <anssi.hannula@bitwise.fi>
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Link: https://lore.kernel.org/all/20221010185237.319219-12-extja@kvaser.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
drivers/net/can/usb/kvaser_usb/kvaser_usb.h
drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c
drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c