From 1110495de926db4b21b9969da522e5270c67f115 Mon Sep 17 00:00:00 2001 From: Kyösti Mälkki Date: Sun, 29 Jun 2014 16:17:33 +0300 Subject: SPI: Split writes using spi_crop_chunk() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit SPI controllers in Intel and AMD bridges have a slightly different restriction on how long transactions they can handle. Change-Id: I3d149d4b7e7e9633482a153d5e380a86c553d871 Signed-off-by: Kyösti Mälkki Reviewed-on: http://review.coreboot.org/6163 Tested-by: build bot (Jenkins) Reviewed-by: Edward O'Callaghan --- src/include/spi-generic.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/include/spi-generic.h') diff --git a/src/include/spi-generic.h b/src/include/spi-generic.h index 6c62de6d1d..3b10ae9f49 100644 --- a/src/include/spi-generic.h +++ b/src/include/spi-generic.h @@ -168,6 +168,8 @@ void spi_cs_deactivate(struct spi_slave *slave); */ void spi_set_speed(struct spi_slave *slave, uint32_t hz); +unsigned int spi_crop_chunk(unsigned int cmd_len, unsigned int buf_len); + /*----------------------------------------------------------------------- * Write 8 bits, then read 8 bits. * slave: The SPI slave we're communicating with -- cgit v1.2.3