can: c_can: Store dlc private

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We can avoid the HW access in TX cleanup path for retrieving the DLC
of the sent package if we store the DLC in a private array.

Ideally this should be handled in the can_echo_skb functions, but I
leave that exercise to the CAN folks.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

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Thomas Gleixner 2014-03-18 17:19:14 +00:00 • committed by Marc Kleine-Budde

parent c0a9f4d396

commit 9024700854

2 changed files with 29 additions and 27 deletions

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28

drivers/net/can/c_can/c_can.c

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28

drivers/net/can/c_can/c_can.h

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