dmaengine: rcar-dmac: convert to SPDX identifiers

[Laurent Pinchart <laurent.pinchart@ideasonboard.com>]

Hi Morimoto-san,

Thank you for the patch.

On Tuesday, 3 July 2018 03:29:59 EEST Kuninori Morimoto wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

A commit message would be nice :-)
 
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> ---
>  drivers/dma/sh/rcar-dmac.c | 18 +++++++-----------
>  1 file changed, 7 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c
> index 79d14af..322e57b 100644
> --- a/drivers/dma/sh/rcar-dmac.c
> +++ b/drivers/dma/sh/rcar-dmac.c
> @@ -1,14 +1,10 @@
> -/*
> - * Renesas R-Car Gen2 DMA Controller Driver
> - *
> - * Copyright (C) 2014 Renesas Electronics Inc.
> - *
> - * Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> - *
> - * This is free software; you can redistribute it and/or modify
> - * it under the terms of version 2 of the GNU General Public License as
> - * published by the Free Software Foundation.
> - */
> +// SPDX-License-Identifier: GPL-2.0
> +//
> +// Renesas R-Car Gen2 DMA Controller Driver
> +//
> +// Copyright (C) 2014 Renesas Electronics Inc.
> +//
> +// Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

I think the preferred comment style, accordingly to what other drivers do, is

// SPDX-License-Identifier: GPL-2.0
/*
 * Renesas R-Car Gen2 DMA Controller Driver
 *
 * Copyright (C) 2014 Renesas Electronics Inc.
 *
 * Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
 */

Apart from that,

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

>  #include <linux/delay.h>
>  #include <linux/dma-mapping.h>