linux-kernel - Re: [PATCH v2 2/9] include: media: Add Renesas CEU driver interface

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Message-ID: <2922415.TB8nfS0gW1@avalon>
Date:   Tue, 02 Jan 2018 13:50:07 +0200
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Jacopo Mondi <jacopo+renesas@...ndi.org>
Cc:     magnus.damm@...il.com, geert@...der.be, mchehab@...nel.org,
        hverkuil@...all.nl, robh+dt@...nel.org, mark.rutland@....com,
        linux-renesas-soc@...r.kernel.org, linux-media@...r.kernel.org,
        linux-sh@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/9] include: media: Add Renesas CEU driver interface

Hi Jacopo,

Thank you for the patch.

On Thursday, 28 December 2017 16:01:14 EET Jacopo Mondi wrote:
> Add renesas-ceu header file.
> 
> Do not remove the existing sh_mobile_ceu.h one as long as the original
> driver does not go away.
> 
> Signed-off-by: Jacopo Mondi <jacopo+renesas@...ndi.org>
> ---
>  include/media/drv-intf/renesas-ceu.h | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
>  create mode 100644 include/media/drv-intf/renesas-ceu.h
> 
> diff --git a/include/media/drv-intf/renesas-ceu.h
> b/include/media/drv-intf/renesas-ceu.h new file mode 100644
> index 0000000..7470c3f
> --- /dev/null
> +++ b/include/media/drv-intf/renesas-ceu.h
> @@ -0,0 +1,20 @@
> +// SPDX-License-Identifier: GPL-2.0+

Just out of curiosity, any reason you have picked GPL-2.0+ and not GPL-2.0 ?

You might want to add a copyright header to state copyright ownership

/**
 * renesas-ceu.h - Renesas CEU driver interface
 *
 * Copyright 2017-2018 Jacopo Mondi <jacopo@...ndi.org>
 */

That's up to you.

> +#ifndef __ASM_RENESAS_CEU_H__

Maybe __MEDIA_DRV_INTF_RENESAS_CEU_H__ ?

> +#define __ASM_RENESAS_CEU_H__
> +
> +#define CEU_MAX_SUBDEVS		2
> +
> +struct ceu_async_subdev {
> +	unsigned long flags;
> +	unsigned char bus_width;
> +	unsigned char bus_shift;
> +	unsigned int i2c_adapter_id;
> +	unsigned int i2c_address;
> +};
> +
> +struct ceu_info {

This is really platform data, how about calling it ceu_platform_data ?

> +	unsigned int num_subdevs;
> +	struct ceu_async_subdev subdevs[CEU_MAX_SUBDEVS];
> +};
> +
> +#endif /* __ASM_RENESAS_CEU_H__ */

Don't forget to update the comment here too.

Apart from that,

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

-- 
Regards,

Laurent Pinchart