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can: m_can: Count TXE FIFO getidx in the driver
authorMarkus Schneider-Pargmann <msp@baylibre.com>
Tue, 6 Dec 2022 11:57:21 +0000 (12:57 +0100)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Mon, 12 Dec 2022 10:58:32 +0000 (11:58 +0100)
commitd4535b90a76af49d1dd7bc70ad0311a88ac5313d
treeee08c44a08973fb55593f0da4cc91a6178181426tree
parentfac52bf786e5c302990fa79f2fdde24e84f810b0commit | diff
can: m_can: Count TXE FIFO getidx in the driver

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>
drivers/net/can/m_can/m_can.c diff | blob | history
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