On 1/22/20 8:54 PM, Sascha Hauer wrote:
> On Wed, Jan 22, 2020 at 10:39:07AM +0100, Christian Eggers wrote:
>> Hi Sascha,
>>
>> Am Mittwoch, 22. Januar 2020, 09:21:15 CET schrieb Sascha Hauer:
>>> Hi Christian,
>>>
>>>> diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
>>>> index 45dd41a2a..34b7fea39 100644
>>>> --- a/drivers/watchdog/Kconfig
>>>> +++ b/drivers/watchdog/Kconfig
>>>> @@ -4,6 +4,7 @@ config WATCHDOG_IMX_RESET_SOURCE
>>>>
>>>> menuconfig WATCHDOG
>>>>
>>>> bool "Watchdog support"
>>>>
>>>> + select PARAMETER
>>>
>>> I think this goes into the wrong direction. With CONFIG_PARAMETER
>>> enabled we get support for adjusting device parameters from the shell.
>>> In environments without shell support parameter support is not needed.
>>> For example the watchdog C API doesn't need parameter support and is
>>> still usable.
>>>
>>> The static inline wrappers for dev_add_param_* should return NULL
>>> instead of returning ERR_PTR(-ENOSYS).
>>
>> initially I came to the same result. But previous commits to param.h went in
>> the opposite direction:
>>
>>> 03b59bdb64 ("paramter: The dev_add_param_*() return ERR_PTR(), change
>>> no-ops") to return ERR_PTR(-ENOSYS) instead of NULL
>
> Shouldn't have merged this one as it lacks an explanation why this has
> been done. Marc, do you have an idea what the motivation for this patch
> was?
Sorry, I don't remember....
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Embedded Linux | https://www.pengutronix.de |
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