Re: [RFC] [PATCH] [MTD-UTILS]: flash_unlock: enhancing for unlocking of specified number of blocks

[Artem Bityutskiy <dedekind1@gmail.com>]

On Wed, 2009-12-02 at 20:00 +0530, Vimal Singh wrote:
> This patch enhances the flash_unlock utility to be able to do
> unlocking for specified blocks range.
> This patch also fixes calculation of 'length' as in previous patch.
> 
> Say there are 240 blocks present in the device. Then:
> offset starts from: 0x0
> and full size of device: 0x1E00000
> 
> doing: 240 * 0x20000 gives -> 0x1E00000
> But last block address should be 0x1DE0000 (which spans for 0x20000
> bytes, adding up to size of 0x1E00000)
> 
> Signed-off-by: Vimal Singh <vimalsingh@ti.com>
> ---
> 
> --- a/flash_unlock.c	2009-11-24 19:33:18.000000000 +0530
> +++ b/flash_unlock.c	2009-11-24 19:36:18.000000000 +0530
> @@ -21,13 +21,14 @@ int main(int argc, char *argv[])
>  	int fd;
>  	struct mtd_info_user mtdInfo;
>  	struct erase_info_user mtdLockInfo;
> +	int count;
> 
>  	/*
>  	 * Parse command line options
>  	 */
> -	if(argc != 2)
> +	if(argc < 2)
>  	{
> -		fprintf(stderr, "USAGE: %s <mtd device>\n", argv[0]);
> +		fprintf(stderr, "USAGE: %s <mtd device> <offset in hex> <block

The patch looks fine for me, except that you should instead make these
to be some command line options.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)