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Date:	Wed, 17 Sep 2008 18:58:38 +0100
From:	Russell King <rmk+lkml@....linux.org.uk>
To:	Conke Hu <conke.hu@...il.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-arm@...r.kernel.org, ben@...tec.co.uk
Subject: Re: [PATCH] s3c24xx nand: add command line partition table parsing support

By sending this to the linux-arm list at vger, you're missing out the
majority of the ARM community.  Please use the proper (listed) mailing
list in MAINTAINERS.

On Thu, Sep 18, 2008 at 01:32:16AM +0800, Conke Hu wrote:
> Add mtd id and  command line partition table parsing support for
> s3c24xx nand driver.
> 
> Signed-off-by: Conke Hu <conke.hu@...il.com>
> Signed-off-by: Linke Wang <linke.wang@...il.com>
> ------------------
> diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
> index 556139e..bab7216 100644
> --- a/drivers/mtd/nand/s3c2410.c
> +++ b/drivers/mtd/nand/s3c2410.c
> @@ -48,6 +48,8 @@
>  #include <asm/plat-s3c/regs-nand.h>
>  #include <asm/plat-s3c/nand.h>
> 
> +#define S3C_NAND_NAME_LEN 16
> +
>  #ifdef CONFIG_MTD_NAND_S3C2410_HWECC
>  static int hardware_ecc = 1;
>  #else
> @@ -60,6 +62,9 @@ static int clock_stop = 1;
>  static const int clock_stop = 0;
>  #endif
> 
> +#ifdef CONFIG_MTD_PARTITIONS
> +static const char *s3c_part_probes[] = {"cmdlinepart", NULL};
> +#endif
> 
>  /* new oob placement block for use with hardware ecc generation
>   */
> @@ -649,6 +654,15 @@ static int s3c2410_nand_add_partition(struct
> s3c2410_nand_info *info,
>  				      struct s3c2410_nand_mtd *mtd,
>  				      struct s3c2410_nand_set *set)
>  {
> +#ifdef CONFIG_MTD_CMDLINE_PARTS
> +	int nr_parts;
> +	struct mtd_partition *partitions;
> +
> +	nr_parts = parse_mtd_partitions(&mtd->mtd, s3c_part_probes, &partitions, 0);
> +	if (nr_parts > 0 && partitions != NULL)
> +		return add_mtd_partitions(&mtd->mtd, partitions, nr_parts);
> +#endif
> +
>  	if (set == NULL)
>  		return add_mtd_device(&mtd->mtd);
> 
> @@ -808,6 +822,7 @@ static int s3c24xx_nand_probe(struct platform_device *pdev,
>  	int size;
>  	int nr_sets;
>  	int setno;
> +	char *name;
> 
>  	pr_debug("s3c2410_nand_probe(%p)\n", pdev);
> 
> @@ -875,7 +890,7 @@ static int s3c24xx_nand_probe(struct platform_device *pdev,
> 
>  	/* allocate our information */
> 
> -	size = nr_sets * sizeof(*info->mtds);
> +	size = nr_sets * (sizeof(*info->mtds) + S3C_NAND_NAME_LEN);
>  	info->mtds = kmalloc(size, GFP_KERNEL);
>  	if (info->mtds == NULL) {
>  		dev_err(&pdev->dev, "failed to allocate mtd storage\n");
> @@ -888,10 +903,15 @@ static int s3c24xx_nand_probe(struct
> platform_device *pdev,
>  	/* initialise all possible chips */
> 
>  	nmtd = info->mtds;
> +	name = (char *)(info->mtds + nr_sets);
> 
>  	for (setno = 0; setno < nr_sets; setno++, nmtd++) {
>  		pr_debug("initialising set %d (%p, info %p)\n", setno, nmtd, info);
> 
> +		sprintf(name, "s3c_nand%d", setno);
> +		nmtd->mtd.name = name;
> +		name += S3C_NAND_NAME_LEN;
> +
>  		s3c2410_nand_init_chip(info, nmtd, sets);
> 
>  		nmtd->scan_res = nand_scan_ident(&nmtd->mtd,

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:
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