can: peak_usb: pcan_usb_decode_error(): upgrade handling of bus state changes

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This patch updates old code by using the can_change_state() function
published since by the socket-can module.

In particular, this new code better manages the change of bus state by
also using the value of the error counters that the driver now
systematically asks for when initializing the channel.

Link: https://lore.kernel.org/r/20210715142842.35793-1-s.grosjean@peak-system.com
Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

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Stephane Grosjean 2021-07-15 16:28:41 +02:00 • committed by Marc Kleine-Budde

parent 1763c54764

commit c11dcee758

1 changed files with 43 additions and 123 deletions

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170

drivers/net/can/usb/peak_usb/pcan_usb.c

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