can: m_can: Count read getindex in the driver

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The getindex gets increased by one every time. We can calculate the
correct getindex in the driver and avoid the additional reads of rxfs.

Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Link: https://lore.kernel.org/all/20221206115728.1056014-6-msp@baylibre.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

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Markus Schneider-Pargmann 2022-12-06 12:57:22 +01:00 • committed by Marc Kleine-Budde

parent d4535b90a7

commit 6355a3c983

1 changed files with 10 additions and 7 deletions

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17

drivers/net/can/m_can/m_can.c

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