of/spi: call of_register_spi_devices() from spi core code

Move of_register_spi_devices() call from drivers to
spi_register_master(). Also change the function to use
the struct device_node pointer from master spi device
instead of passing it as function argument.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/of/of_spi.c b/drivers/of/of_spi.c
index d504f1d1324b..1dbce58a58b0 100644
--- a/drivers/of/of_spi.c
+++ b/drivers/of/of_spi.c
@@ -15,12 +15,11 @@
 /**
  * of_register_spi_devices - Register child devices onto the SPI bus
  * @master:     Pointer to spi_master device
- * @np:         parent node of SPI device nodes
  *
- * Registers an spi_device for each child node of 'np' which has a 'reg'
+ * Registers an spi_device for each child node of master node which has a 'reg'
  * property.
  */
-void of_register_spi_devices(struct spi_master *master, struct device_node *np)
+void of_register_spi_devices(struct spi_master *master)
 {
         struct spi_device *spi;
         struct device_node *nc;
@@ -28,7 +27,10 @@ void of_register_spi_devices(struct spi_master *master, struct device_node *np)
         int rc;
         int len;
 
-        for_each_child_of_node(np, nc) {
+        if (!master->dev.of_node)
+                return;
+
+        for_each_child_of_node(master->dev.of_node, nc) {
                 /* Alloc an spi_device */
                 spi = spi_alloc_device(master);
                 if (!spi) {