[U-Boot] [PATCH] dfu: cmd: trigger watchdog before calling usb_gadget_handle_interrupts

[Lukasz Majewski]

Hi Heiko,

> trigger watchdog before calling usb_gadget_handle_interrupts()
> This prevents board resets when calling dfu command on boards
> which have a watchdog.
> 
> Signed-off-by: Heiko Schocher <hs at denx.de>
> ---
> 
>  common/cmd_dfu.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/common/cmd_dfu.c b/common/cmd_dfu.c
> index e975abe..46af4cf 100644
> --- a/common/cmd_dfu.c
> +++ b/common/cmd_dfu.c
> @@ -9,6 +9,7 @@
>   */
>  
>  #include <common.h>
> +#include <watchdog.h>
>  #include <dfu.h>
>  #include <g_dnl.h>
>  #include <usb.h>
> @@ -64,6 +65,7 @@ static int do_dfu(cmd_tbl_t *cmdtp, int flag, int
> argc, char * const argv[]) if (ctrlc())
>  			goto exit;
>  
> +		WATCHDOG_RESET();
>  		usb_gadget_handle_interrupts();
>  	}
>  exit:

It seems strange for me, that we must reset watchdog when looping in
the dfu.

What is the WATCHDOG interval on the affected board?

-- 
Best regards,

Lukasz Majewski

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