Re: [PATCH v3] crypto - img-hash: Depend on OF and silence compile test warning

From: Herbert Xu
Date: Fri Mar 31 2023 - 06:12:31 EST


On Sun, Mar 26, 2023 at 10:50:27AM +0200, Krzysztof Kozlowski wrote:
> The driver is specific to OF platforms (can match only via OF table),
> thus add dependency on CONFIG_OF. Mark the of_device_id table as
> unused. This also fixes W=1 warning:
>
> drivers/crypto/img-hash.c:930:34: error: ‘img_hash_match’ defined but not used [-Werror=unused-const-variable=]
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

...

> diff --git a/drivers/crypto/img-hash.c b/drivers/crypto/img-hash.c
> index fe93d19e3044..2be364d9f592 100644
> --- a/drivers/crypto/img-hash.c
> +++ b/drivers/crypto/img-hash.c
> @@ -927,7 +927,7 @@ static void img_hash_done_task(unsigned long data)
> img_hash_finish_req(hdev->req, err);
> }
>
> -static const struct of_device_id img_hash_match[] = {
> +static const struct of_device_id img_hash_match[] __maybe_unused = {
> { .compatible = "img,hash-accelerator" },
> {}
> };

I have applied this hunk as it renders the Kconfig change unnecessary.

Thanks,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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