diff options
| author | Furquan Shaikh <furquan@chromium.org> | 2017-01-08 13:32:30 -0800 |
|---|---|---|
| committer | Furquan Shaikh <furquan@google.com> | 2017-02-16 08:40:47 +0100 |
| commit | 3e01b633d6e18ae72e71e198671890d6accbda25 (patch) | |
| tree | d1d14798d4db16a5f17fb70d7f2d21ebb361e943 /src/drivers/spi | |
| parent | c76e9982b231023ccf91b79ec7526e50f595ffc1 (diff) | |
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 <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/18337
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Diffstat (limited to 'src/drivers/spi')
| -rw-r--r-- | src/drivers/spi/spi-generic.c | 10 |
1 files changed, 10 insertions, 0 deletions
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. */ |