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@xxxxxxxxxxxxxx> --- drivers/usb/musb/musb_core.c | 12 +++++++++++- drivers/usb/musb/musb_dsps.c | 1 - 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 8b7d903..d5ad9db 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -1966,6 +1966,7 @@ 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) @@ -1975,7 +1976,16 @@ 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) diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 82e1da0..7b36d32 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -485,7 +485,6 @@ 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; -- 1.8.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html