* Aaro Koskinen <aaro.koski...@iki.fi> [151123 11:51]:
> Fail with error when no DMA controller is set.
> 
> Signed-off-by: Aaro Koskinen <aaro.koski...@iki.fi>
> ---
>  drivers/usb/musb/musb_core.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
> index 18cfc0a..f8d3b40 100644
> --- a/drivers/usb/musb/musb_core.c
> +++ b/drivers/usb/musb/musb_core.c
> @@ -2095,6 +2095,7 @@ 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;

Seems OK for a fix to me. We may be now easily able to also switch
to PIO mode if no DMA glue is found.

Regards,

Tony
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to