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authorPeng Fan <van.freenix@gmail.com>2016-05-03 10:02:22 +0800
committerSimon Glass <sjg@chromium.org>2016-05-17 09:54:43 -0600
commit7a3eff4ce962de50bd9a1d83a9fce178c04999d3 (patch)
tree269d284659e51ef795fb669089eef2f32f526db5 /drivers
parent102412c415b5e51b01ed5797c965d0feaa065439 (diff)
downloadtalos-obmc-uboot-7a3eff4ce962de50bd9a1d83a9fce178c04999d3.tar.gz
talos-obmc-uboot-7a3eff4ce962de50bd9a1d83a9fce178c04999d3.zip
dm: spi: introduce dm api
Introduce dm_spi_claim_bus, dm_spi_release_bus and dm_spi_xfer Convert spi_claim_bus, spi_release_bus and spi_xfer to use the new API. Signed-off-by: Peng Fan <van.freenix@gmail.com> Cc: Simon Glass <sjg@chromium.org> Cc: Jagan Teki <jteki@openedev.com> Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/spi/spi-uclass.c28
1 files changed, 21 insertions, 7 deletions
diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c
index 5561f36762..84b6786517 100644
--- a/drivers/spi/spi-uclass.c
+++ b/drivers/spi/spi-uclass.c
@@ -45,12 +45,12 @@ static int spi_set_speed_mode(struct udevice *bus, int speed, int mode)
return 0;
}
-int spi_claim_bus(struct spi_slave *slave)
+int dm_spi_claim_bus(struct udevice *dev)
{
- struct udevice *dev = slave->dev;
struct udevice *bus = dev->parent;
struct dm_spi_ops *ops = spi_get_ops(bus);
struct dm_spi_bus *spi = dev_get_uclass_priv(bus);
+ struct spi_slave *slave = dev_get_parent_priv(dev);
int speed;
int ret;
@@ -73,9 +73,8 @@ int spi_claim_bus(struct spi_slave *slave)
return ops->claim_bus ? ops->claim_bus(dev) : 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void dm_spi_release_bus(struct udevice *dev)
{
- struct udevice *dev = slave->dev;
struct udevice *bus = dev->parent;
struct dm_spi_ops *ops = spi_get_ops(bus);
@@ -83,10 +82,9 @@ void spi_release_bus(struct spi_slave *slave)
ops->release_bus(dev);
}
-int spi_xfer(struct spi_slave *slave, unsigned int bitlen,
- const void *dout, void *din, unsigned long flags)
+int dm_spi_xfer(struct udevice *dev, unsigned int bitlen,
+ const void *dout, void *din, unsigned long flags)
{
- struct udevice *dev = slave->dev;
struct udevice *bus = dev->parent;
if (bus->uclass->uc_drv->id != UCLASS_SPI)
@@ -95,6 +93,22 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen,
return spi_get_ops(bus)->xfer(dev, bitlen, dout, din, flags);
}
+int spi_claim_bus(struct spi_slave *slave)
+{
+ return dm_spi_claim_bus(slave->dev);
+}
+
+void spi_release_bus(struct spi_slave *slave)
+{
+ dm_spi_release_bus(slave->dev);
+}
+
+int spi_xfer(struct spi_slave *slave, unsigned int bitlen,
+ const void *dout, void *din, unsigned long flags)
+{
+ return dm_spi_xfer(slave->dev, bitlen, dout, din, flags);
+}
+
static int spi_post_bind(struct udevice *dev)
{
/* Scan the bus for devices */
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