Re: [PATCH v2 1/3] iio: dac: ad5755: mark OF related data as maybe unused

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On Sun, 12 Mar 2023 16:34:27 +0100
Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> wrote:

> The driver can be compile tested with !CONFIG_OF making certain data
> unused (of_device_id is not used for device matching):
> 
>   drivers/iio/dac/ad5755.c:865:34: error: ‘ad5755_of_match’ defined but not used [-Werror=unused-const-variable=]
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> 
> ---
> 
> Changes since v1:
> 1. None.
> 
> Although Jonathan expressed need of changes here, they are a bit too
> invasive for me thus I am resending it only for completeness.
> I understand therefore that patch might not be accepted.

Hi Krzysztof,

I'll leave it unapplied for now on basis I might get time in near future
to do the more major refactor I'd like to see (and hack some testing together
for it).  If that looks unlikely I may pick this up later.

It'll sit in patchwork until then making me feel guilty :)

Thanks,

Jonathan

> ---
>  drivers/iio/dac/ad5755.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/dac/ad5755.c b/drivers/iio/dac/ad5755.c
> index beadfa938d2d..a6dc8a0bfc29 100644
> --- a/drivers/iio/dac/ad5755.c
> +++ b/drivers/iio/dac/ad5755.c
> @@ -862,7 +862,7 @@ static const struct spi_device_id ad5755_id[] = {
>  };
>  MODULE_DEVICE_TABLE(spi, ad5755_id);
>  
> -static const struct of_device_id ad5755_of_match[] = {
> +static const struct of_device_id ad5755_of_match[] __maybe_unused = {
>  	{ .compatible = "adi,ad5755" },
>  	{ .compatible = "adi,ad5755-1" },
>  	{ .compatible = "adi,ad5757" },





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