can: m_can: Count TXE FIFO getidx in the driver

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The getindex simply increases by one for every iteration. There is no
need to get the current getidx every time from a register. Instead we
can just count and wrap if necessary.

Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Link: https://lore.kernel.org/all/20221206115728.1056014-5-msp@baylibre.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

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Markus Schneider-Pargmann 2022-12-06 12:57:21 +01:00 • committed by Marc Kleine-Budde

parent fac52bf786

commit d4535b90a7

1 changed files with 2 additions and 3 deletions

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drivers/net/can/m_can/m_can.c

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