[PATCH 1/4] wdt: Add CONFIG_DESIGNWARE_WATCHDOG to Kconfig

[Marek Vasut]

On 2/2/20 6:48 PM, Sean Anderson wrote:
> On 2/2/20 12:40 PM, Marek Vasut wrote:
>> On 2/2/20 6:23 PM, Sean Anderson wrote:
>>> CONFIG_DESIGNWARE_WATCHDOG is only defined if CONFIG_HW_WATCHDOG is
>>> defined, and this is never defined in headers (or in the defconfigs).
>>
>> This is what I see in socfpga_soc64_common.h on u-boot/master:
>> 153 #ifdef CONFIG_SPL_BUILD
>> 154 #define CONFIG_HW_WATCHDOG
> 
> Huh, there it is. I guess I expected the usage to be the same as
> socfpga_common.h. Would it be best to add DESIGNWARE_WATCHDOG to the
> appropriate Kconfigs, defconfigs, or leave it in the header?

I also had to look around, because I knew it was somewhere and the WDT
should've generally been enabled on socfpga (at least the 32bit ones).

Kconfig is indeed the way to go. For bulk enabling config options, it is
better to put them as "select" entry in arch/arm/Kconfig or
arch/arm/mach-foo/Kconfig for the entire platform, so all the boards
pick the option up without any changes to zillion defconfigs.

>>>> The patch is wrong, see above. Also, it's missing a SoB line.
>>>
>>> Ah, I just noticed that, thanks for pointing that out.
>>
>> Note that I updated u-boot-socfpga/master and sent a PR just now (thanks
>> for reminding me of that), it contains the DW WDT patches that were
>> posted to the ML some time ago. You want to rebase the series on top of
>> that.
> 
> Ok, I will do that for v2.

Thanks.

btw what's the motivation for this series, are you hitting some issues
with the WDT on SoCFPGA ?