dm: spi: introduce dm api

[u-boot] / drivers / spi / spi-uclass.c

diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c
index 5561f36762f9c6e45eff240c5e377920b96a0482..84b6786517cc667ebd04d6542003bac26dc85175 100644 (file)
--- 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 */