Re: kbuild problem: ERROR: modpost: missing MODULE_LICENSE() in drivers/iio/afe/iio-rescale.o

[Randy Dunlap]

On 5/29/22 14:20, Liam Beguin wrote:
> Hi Randy,
> 
> On Thu, May 26, 2022 at 01:04:41PM -0700, Randy Dunlap wrote:
>>
>>
>> On 5/26/22 09:04, Liam Beguin wrote:
>>> Hi Randy,
>>>
>>> On Thu, May 26, 2022 at 08:36:34AM -0700, Randy Dunlap wrote:
>>>> Liam:
>>>>
>>>> Any comment on this?
>>>> Otherwise I'll just send a formal patch like this (below).
>>>
>>> Apologies for not answering earlier.
>>>
>>> I wanted to look more into Masahiro's comment and try to fix the
>>> Makefile, but that can be done after.
>>>
>>> IMO your patch improves the current Kconfig, so I'd recommend sending
>>> the patch. If it can wait a bit, I can look at the Makefile over the
>>> weekend.
>>>
>>
>> Liam,
>>
>> I'll wait until next week to see if you come up with anything.
>>
> 
> The following patch fixes the issue while addressing Masahiro's comment.
> I also considered `select IIO_RESCALE`, but I'm not sure what's usually
> preferred.
> 
> diff --git a/drivers/iio/test/Kconfig b/drivers/iio/test/Kconfig
> index 56ca0ad7e77a..4c66c3f18c34 100644
> --- a/drivers/iio/test/Kconfig
> +++ b/drivers/iio/test/Kconfig
> @@ -6,7 +6,7 @@
>  # Keep in alphabetical order
>  config IIO_RESCALE_KUNIT_TEST
>  	bool "Test IIO rescale conversion functions"
> -	depends on KUNIT=y && !IIO_RESCALE
> +	depends on KUNIT=y && IIO_RESCALE=y
>  	default KUNIT_ALL_TESTS
>  	help
>  	  If you want to run tests on the iio-rescale code say Y here.
> diff --git a/drivers/iio/test/Makefile b/drivers/iio/test/Makefile
> index f15ae0a6394f..880360f8d02c 100644
> --- a/drivers/iio/test/Makefile
> +++ b/drivers/iio/test/Makefile
> @@ -4,6 +4,6 @@
>  #
>  
>  # Keep in alphabetical order
> -obj-$(CONFIG_IIO_RESCALE_KUNIT_TEST) += iio-test-rescale.o ../afe/iio-rescale.o
> +obj-$(CONFIG_IIO_RESCALE_KUNIT_TEST) += iio-test-rescale.o
>  obj-$(CONFIG_IIO_TEST_FORMAT) += iio-test-format.o
>  CFLAGS_iio-test-format.o += $(DISABLE_STRUCTLEAK_PLUGIN)
> 
> I'll send a patch as soon as you confirm this works for you too.

Looks good. Thanks.

Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Tested-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

-- 
~Randy