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Commit b1ef05a5 authored by Alexander Shiyan's avatar Alexander Shiyan Committed by Marc Kleine-Budde
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can: mcp251x: Allow tuning SPI mode and limit maximal SPI speed 



Patch allow to use different mode settings for SPI (MODE3 for example)
and limit maximal speed according to IC datasheet.

Signed-off-by: default avatarAlexander Shiyan <shc_work@mail.ru>
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent ae5d589e

drivers/net/can/mcp251x.c

+5 −1
Original line number Diff line number Diff line
@@ -1082,7 +1082,11 @@ static int mcp251x_can_probe(struct spi_device *spi) 
	SET_NETDEV_DEV(net, &spi->dev);



	/* Configure the SPI bus */

	spi->mode = SPI_MODE_0;

	spi->mode = spi->mode ? : SPI_MODE_0;

	if (mcp251x_is_2510(spi))

		spi->max_speed_hz = spi->max_speed_hz ? : 5 * 1000 * 1000;

	else

		spi->max_speed_hz = spi->max_speed_hz ? : 10 * 1000 * 1000;

	spi->bits_per_word = 8;

	spi_setup(spi);