usb: musb: fail with error when no DMA controller set

aakoskin · Felipe Balbi · commit 7d32cdef5356 · 2015-12-09T09:36:03.000-06:00
Fail with error when no DMA controller is set.

Signed-off-by: Aaro Koskinen &lt;aaro.koskinen@iki.fi&gt;
Signed-off-by: Felipe Balbi &lt;balbi@ti.com&gt;
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
@@ -2094,6 +2094,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
 #ifndef CONFIG_MUSB_PIO_ONLY
 	if (!musb->ops->dma_init || !musb->ops->dma_exit) {
 		dev_err(dev, "DMA controller not set\n");
+		status = -ENODEV;
 		goto fail2;
 	}
 	musb_dma_controller_create = musb->ops->dma_init;

Original file line number	Diff line number	Diff line change
`@@ -2094,6 +2094,7 @@ musb_init_controller(struct device dev, int nIrq, void __iomem ctrl)`
`2094`	`2094`	`#ifndef CONFIG_MUSB_PIO_ONLY`
`2095`	`2095`	`if (!musb->ops->dma_init \|\| !musb->ops->dma_exit) {`
`2096`	`2096`	`dev_err(dev, "DMA controller not set\n");`
	`2097`	`+ status = -ENODEV;`
`2097`	`2098`	`goto fail2;`
`2098`	`2099`	`}`
`2099`	`2100`	`musb_dma_controller_create = musb->ops->dma_init;`