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

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Fail with error when no DMA controller is set.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Aaro Koskinen 2015-11-23 21:50:11 +02:00 committed by Felipe Balbi
parent 27681abc42
commit 7d32cdef53
1 changed files with 1 additions and 0 deletions
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1
drivers/usb/musb/musb_core.c
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@ -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;