[U-Boot] [PATCH v2 4/8] km/common: implement boardId HWkey checks as u-boot cmd

[Wolfgang Denk <wd@denx.de>]

Dear Holger Brunck,

In message <02d1e3f265123ff0296b1c38b227f6d30393ee77.1304508448.git.holger.brunck@keymile.com> you wrote:
> From: Thomas Herzmann <thomas.herzmann@keymile.com>
> 
> BoardId and HWKey are used to identify the HW class of a given board.
> The correct values are stored in the inventory eeprom. During creation
> time of a boot package the boardId and HWkey for the SW is stored in
> the default environment and burned into the flash. During boottime
> the values in the inventory and in the environment are compared to
> avoid starting of a SW which is not authorized for this board.
> 
> Some bootpackages are allowed to run on a set of different boardId
> hwKey. In this case the environment variable boardIdListHex was added
> to the default environment. In this case the command iterates over the
> pair values and compares them with the values read from the inventory
> eeprom.
> 
> The syntax of such a boardIdListHex value is e.g.: 158_1 159_1 159_2
> 
> Signed-off-by: Thomas Herzmann <thomas.herzmann@keymile.com>
> Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
> Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
> Acked-by: Heiko Schocher <hs@denx.de>
> cc: Wolfgang Denk <wd@denx.de>
> cc: Detlev Zundel <dzu@denx.de>
> ---
> Changes for v2:
>    - split up first large patch series to three independent smaller
>      patch series
>    - give the cmd a more precise name
>    - rework the patch with inputs from W.Denk:
>       - adapt and enhance commit msg
>       - comment the code
>       - add error handling

This patch has checkpatch warnings.  Please fix.

...
> +	if (!envbid || !envhwkey) {
> +		/*
> +		 * BoardId/HWkey not available in the environment, so try the
> +		 * environment variable for BoardId/HWkey list
> +		 */
> +		char *bidhwklist = getenv("boardIdListHex");
> +		if (bidhwklist) {

Please insert a blank line after declarations.


Best regards,

Wolfgang Denk

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