[U-Boot] [PATCH 2/4] distro bootcmd: make net boot only optionally start USB

[Simon Glass]

On 26 January 2016 at 11:10, Stephen Warren <swarren at wwwdotorg.org> wrote:
> From: Stephen Warren <swarren at nvidia.com>
>
> Currently, the distro boot commands always enumerate USB devices before
> performing network operations. However, depending on the board and end-
> user configuration, network devices may not be attached to USB, and so
> enumerating USB may not be necessary. Enhance the scripts to make this
> step optional, so that the user can decrease boot time if they don't
> need USB.
>
> This change is performed by moving the "usb start" invocation into a
> standalone variable. If the user desires, they can replace that
> variable's value with some no-op command such as "true" instead.
>
> Booting from a USB storage device always needs to enumerate USB devices,
> so this action is still hard-coded.
>
> Signed-off-by: Stephen Warren <swarren at nvidia.com>
> ---
>  doc/README.distro               |  7 +++++++
>  include/config_distro_bootcmd.h | 11 ++++++-----
>  2 files changed, 13 insertions(+), 5 deletions(-)

Reviewed-by: Simon Glass <sjg at chromium.org>