[RFC] [PATCH] [MTD-UTILS]: flash_unlock: enhancing for unlocking of specified number of blocks
Artem Bityutskiy
dedekind1 at gmail.com
Tue Dec 8 07:20:41 EST 2009
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 at 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)
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