linux-kernel - Re: [PATCH v2 17/26] MTD: Nand: Add JZ4740 NAND driver

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Date:	Thu, 08 Jul 2010 09:06:54 +0300
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Lars-Peter Clausen <lars@...afoo.de>
Cc:	Ralf Baechle <ralf@...ux-mips.org>, linux-mips@...ux-mips.org,
	David Woodhouse <dwmw2@...radead.org>,
	linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org
Subject: Re: [PATCH v2 17/26] MTD: Nand: Add JZ4740 NAND driver

On Sat, 2010-06-19 at 07:08 +0200, Lars-Peter Clausen wrote:
> diff --git a/include/linux/mtd/jz4740_nand.h b/include/linux/mtd/jz4740_nand.h
> new file mode 100644
> index 0000000..379f9b6
> --- /dev/null
> +++ b/include/linux/mtd/jz4740_nand.h
> @@ -0,0 +1,34 @@
> +/*
> + *  Copyright (C) 2009-2010, Lars-Peter Clausen <lars@...afoo.de>
> + *  JZ4740 SoC NAND controller driver
> + *
> + *  This program is free software; you can redistribute	 it and/or modify it
> + *  under  the terms of	 the GNU General  Public License as published by the
> + *  Free Software Foundation;  either version 2 of the	License, or (at your
> + *  option) any later version.
> + *
> + *  You should have received a copy of the  GNU General Public License along
> + *  with this program; if not, write  to the Free Software Foundation, Inc.,
> + *  675 Mass Ave, Cambridge, MA 02139, USA.
> + *
> + */
> +
> +#ifndef __JZ_NAND_H__
> +#define __JZ_NAND_H__
> +
> +#include <linux/mtd/nand.h>
> +#include <linux/mtd/partitions.h>
> +
> +struct jz_nand_platform_data {
> +	int			num_partitions;
> +	struct mtd_partition	*partitions;
> +
> +	struct nand_ecclayout	*ecc_layout;
> +
> +	unsigned int busy_gpio;
> +
> +	void (*ident_callback)(struct platform_device *, struct nand_chip *,
> +				struct mtd_partition **, int *num_partitions);
> +};
> +
> +#endif

Do you really have to add your platform data strucutre to
"inlculde/mtd" ? That is quite global namespace, and ideally only things
like user-space interface and "public" interface of the MTD subsystem
should live there.

Can you keep this somewhere in mips architecture directory?
-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)

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