@@ -1958,6 +1958,7 @@ static int musb_probe(struct platform_device *pdev)
int irq = platform_get_irq_byname(pdev, "mc");
struct resource *iomem;
void __iomem *base;
+ int ret;
iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!iomem || irq <= 0)
@@ -1967,7 +1968,16 @@ static int musb_probe(struct platform_device *pdev)
if (IS_ERR(base))
return PTR_ERR(base);
- return musb_init_controller(dev, irq, base);
+ if (dev->parent)
+ dev->of_node = dev->parent->of_node;
+
+ ret = musb_init_controller(dev, irq, base);
+ if (ret) {
+ dev->of_node = NULL;
+ return ret;
+ }
+
+ return 0;
}
static int musb_remove(struct platform_device *pdev)
@@ -483,7 +483,6 @@ static int dsps_create_musb_pdev(struct dsps_glue *glue,
musb->dev.parent = dev;
musb->dev.dma_mask = &musb_dmamask;
musb->dev.coherent_dma_mask = musb_dmamask;
- musb->dev.of_node = of_node_get(dn);
glue->musb = musb;
It is not safe to assign the of_node to a device without driver. The device is matched against a list of drivers and the of_node could lead to a DT match with the parent driver. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> --- drivers/usb/musb/musb_core.c | 12 +++++++++++- drivers/usb/musb/musb_dsps.c | 1 - 2 files changed, 11 insertions(+), 2 deletions(-)