[PATCH] kvx: watchdog: Add early watchdog init

[Ahmad Fatoum]

On 24.10.24 14:35, Julian Vetter wrote:
fdef CONFIG_WATCHDOG_KVX_EARLY_INIT>>
>> Move this down before the core_initcall
>>
>>> +static int kvx_wdt_early_init(void)
>>
>> Add __maybe_unused here.
>>
>> That way compile test in CI tests this function even if option is disabled.
>>
> 
> I have tried what you proposed but the CONFIG_WATCHDOG_KVX_EARLY_TIMEOUT is only defined if we enable the CONFIG_WATCHDOG_KVX_EARLY_INIT. So, it fails if we have the watchdog enabled but not the EARLY_INIT. I could either keep the #ifdef before the function. So, it will not be covered by compile tests or I add something like the following to the function:
> 
> int wtd_timeout = 0;
> 
> #ifdef CONFIG_WATCHDOG_KVX_EARLY_INIT
> wtd_timeout = CONFIG_WATCHDOG_KVX_EARLY_TIMEOUT
> #endif
> 
> What do you think?

I missed the undefined macro. Never mind then, I think
we can leave it as is.

Cheers,
Ahmad

> 
> Thank you.
> 
>>> +{
>>> +    /* Set Start watchdog counting */
>>> +    kvx_sfr_set(WDV, CONFIG_WATCHDOG_KVX_EARLY_TIMEOUT);
>>> +    kvx_sfr_set(WDR, 0);
>>> +
>>> +    /* Start watchdog counting */
>>> +    kvx_sfr_set_field(TCR, WUI, 1);
>>> +    kvx_sfr_set_field(TCR, WCE, 1);
>>> +
>>> +    return 0;
>>> +}
>>> +core_initcall(kvx_wdt_early_init);
>>> +#endif
>>
>>
> 
> 
> 
> 
> 


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