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path: root/drivers/of/of_spi.c
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Diffstat (limited to 'drivers/of/of_spi.c')
-rw-r--r--drivers/of/of_spi.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/of/of_spi.c b/drivers/of/of_spi.c
index 5fed7e3c7da3..1dbce58a58b0 100644
--- a/drivers/of/of_spi.c
+++ b/drivers/of/of_spi.c
@@ -9,17 +9,17 @@
9#include <linux/of.h> 9#include <linux/of.h>
10#include <linux/device.h> 10#include <linux/device.h>
11#include <linux/spi/spi.h> 11#include <linux/spi/spi.h>
12#include <linux/of_irq.h>
12#include <linux/of_spi.h> 13#include <linux/of_spi.h>
13 14
14/** 15/**
15 * of_register_spi_devices - Register child devices onto the SPI bus 16 * of_register_spi_devices - Register child devices onto the SPI bus
16 * @master: Pointer to spi_master device 17 * @master: Pointer to spi_master device
17 * @np: parent node of SPI device nodes
18 * 18 *
19 * Registers an spi_device for each child node of 'np' which has a 'reg' 19 * Registers an spi_device for each child node of master node which has a 'reg'
20 * property. 20 * property.
21 */ 21 */
22void of_register_spi_devices(struct spi_master *master, struct device_node *np) 22void of_register_spi_devices(struct spi_master *master)
23{ 23{
24 struct spi_device *spi; 24 struct spi_device *spi;
25 struct device_node *nc; 25 struct device_node *nc;
@@ -27,7 +27,10 @@ void of_register_spi_devices(struct spi_master *master, struct device_node *np)
27 int rc; 27 int rc;
28 int len; 28 int len;
29 29
30 for_each_child_of_node(np, nc) { 30 if (!master->dev.of_node)
31 return;
32
33 for_each_child_of_node(master->dev.of_node, nc) {
31 /* Alloc an spi_device */ 34 /* Alloc an spi_device */
32 spi = spi_alloc_device(master); 35 spi = spi_alloc_device(master);
33 if (!spi) { 36 if (!spi) {