[U-Boot] xyz-modem: Change getc timeout loop waiting

[Tomas Melin]

Hi,

On 08/01/2018 08:54 AM, Alexander Sverdlin wrote:
>> Is the timeout a watchdog timeout or some communication freeze?
> I suppose, it reports false-positive timeout back to ymodem code.
> Because all it does is terminating communication gracefully (with 'C'
> and a bunch of CANs).
If you are using omap_wdt then check the configured value of the timeout 
(WDT_HW_TIMEOUT).
Time the y-modem loading, and if the reset happens just after that 
configured value, it would indicate that the watchdog is not kicked, for 
one reason or another.

Tomas