AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2025-01-18 15:56:18 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

can: mcp251x: Allow tuning SPI mode and limit maximal SPI speed

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

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Alexander Shiyan 2013-08-19 15:39:21 +04:00 committed by Marc Kleine-Budde
parent ae5d589e5f
commit b1ef05a5a2
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/can/mcp251x.c
View File

@ -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);