[U-Boot] [PATCH] fastboot: Add USB cable detect check

[Lukasz Majewski <l.majewski@samsung.com>]

Hi Rob,

> On Thu, Jan 29, 2015 at 4:49 PM, Steve Rae <srae@broadcom.com> wrote:
> >
> >
> > On 15-01-26 01:14 PM, Rob Herring wrote:
> >>
> >> Add a check for USB cable attached and only enter fastboot when a
> >> cable is attached.
> >>
> >> Signed-off-by: Rob Herring <robh@kernel.org>
> >> ---
> >>   common/cmd_fastboot.c | 6 ++++++
> >>   1 file changed, 6 insertions(+)
> >>
> >> diff --git a/common/cmd_fastboot.c b/common/cmd_fastboot.c
> >> index b72f4f3..346ab80 100644
> >> --- a/common/cmd_fastboot.c
> >> +++ b/common/cmd_fastboot.c
> >> @@ -20,6 +20,12 @@ static int do_fastboot(cmd_tbl_t *cmdtp, int
> >> flag, int argc, char *const argv[])
> >>         if (ret)
> >>                 return ret;
> >>
> >> +       if (!g_dnl_board_usb_cable_connected()) {
> >> +               puts("\rUSB cable not detected.\n" \
> >> +                    "Command exit.\n");
> >> +               return CMD_RET_FAILURE;
> >> +       }
> >> +
> >>         while (1) {
> >>                 if (g_dnl_detach())
> >>                         break;
> >>
> >
> > (question: the leading "\r" ?!?!)
> 
> Humm, good question. It's copy and paste from USB MS implementation.
> 
> Rob
> 
> > Reviewed-by: Steve Rae <srae@broadcom.com>
> >
> > Thanks, Steve

Queued for u-boot-dfu branch.

Thanks for development and sorry for delay.

-- 
Best regards,

Lukasz Majewski

Samsung R&D Institute Poland (SRPOL) | Linux Platform Group