[U-Boot] [PATCH v2 4/5] tools/env: Serialize calls to fw_*env

[uboot at lukaperkov.net]

On Wed, Oct 03, 2012 at 02:38:49PM -0500, Joe Hershberger wrote:
> Use a lock file at /var/lock/fw_printenv.lock.
> Avoids seriously confusing the MTD driver.
> 
> Signed-off-by: Joe Hershberger <joe.hershberger at ni.com>
> ---
> 
>  tools/env/fw_env_main.c | 59 +++++++++++++++++++++++++++++++------------------
>  1 file changed, 37 insertions(+), 22 deletions(-)

I thing we should document usage and location of lock file in tools/env/README. 

Luka