From 3e01b633d6e18ae72e71e198671890d6accbda25 Mon Sep 17 00:00:00 2001 From: Furquan Shaikh Date: Sun, 8 Jan 2017 13:32:30 -0800 Subject: spi: Add function callback to get configuration of SPI bus Add a new callback to spi_ctrlr structure - get_config - to obtain configuration of SPI bus from the controller driver. Also, move common config definitions from acpi_device.h to spi-generic.h BUG=chrome-os-partner:59832 BRANCH=None TEST=Compiles successfully Change-Id: I412c8c70167d18058a32041c2310bc1c884043ce Signed-off-by: Furquan Shaikh Reviewed-on: https://review.coreboot.org/18337 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel Reviewed-by: Duncan Laurie --- src/drivers/spi/spi-generic.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'src/drivers/spi/spi-generic.c') diff --git a/src/drivers/spi/spi-generic.c b/src/drivers/spi/spi-generic.c index 805e17af5a..3ef437c4a7 100644 --- a/src/drivers/spi/spi-generic.c +++ b/src/drivers/spi/spi-generic.c @@ -88,6 +88,16 @@ int spi_xfer(const struct spi_slave *slave, const void *dout, size_t bytesout, return -1; } +int spi_get_config(const struct spi_slave *slave, struct spi_cfg *cfg) +{ + const struct spi_ctrlr *ctrlr = slave->ctrlr; + + if (ctrlr && ctrlr->get_config) + return ctrlr->get_config(slave, cfg); + + return -1; +} + void __attribute__((weak)) spi_init(void) { /* Default weak implementation - do nothing. */ -- cgit v1.2.3