Le 26/05/2010 20:13, Mike Frysinger :
> On Wednesday 26 May 2010 06:34:49 Nicolas Ferre wrote:
>> --- a/common/main.c
>> +++ b/common/main.c
>> @@ -159,6 +159,7 @@ static __inline__ int abortboot(int bootdelay)
>> * when catch up.
>> */
>> do {
>> + WATCHDOG_RESET(); /* Trigger watchdog, if needed */
>> if (tstc()) {
>> if (presskey_len < presskey_max) {
>> presskey [presskey_len ++] = getc();
>> @@ -251,6 +252,7 @@ static __inline__ int abortboot(int bootdelay)
>> # endif
>> break;
>> }
>> + WATCHDOG_RESET(); /* Trigger watchdog, if needed
>> */
>> udelay(10000);
>> }
>
> if your udelay() implementation isnt calling WATCHDOG_RESET(), it is broken.
> yes, this is undocumented, but search the mailing archives for examples.
>
> i believe the same goes for serial devices and their tstc() function.
Well, after more checking, it seems that resetting the watchdog in tstc
function is not so common: only serial_pl01x.c is doing it. So I guess
that my first addition may be needed for other chips...
Best regards,
--
Nicolas Ferre
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