can: mcp251xfd: ram: add helper function for runtime ring size calculation

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This patch adds a helper function to calculate the ring configuration
of the controller based on various constraints, like available RAM,
size of RX and TX objects, CAN-mode, number of FIFOs and FIFO depth.

Link: https://lore.kernel.org/20220313083640.501791-3-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

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Marc Kleine-Budde 2021-10-22 19:11:57 +02:00

parent c47675b11b

commit a1439a5add

3 changed files with 155 additions and 0 deletions

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1

drivers/net/can/spi/mcp251xfd/Makefile

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97

drivers/net/can/spi/mcp251xfd/mcp251xfd-ram.c

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57

drivers/net/can/spi/mcp251xfd/mcp251xfd-ram.h

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