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SubjectRe: [PATCH] firmware: qcom: qcm: fix unused qcom_scm_qseecom_allowlist
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On 11/20/23 19:56, Krzysztof Kozlowski wrote:
> For !OF builds, the qcom_scm_qseecom_allowlist is unused:
>
> drivers/firmware/qcom/qcom_scm.c:1652:34: error: ‘qcom_scm_qseecom_allowlist’ defined but not used [-Werror=unused-const-variable=]
>
> Fixes: 00b1248606ba ("firmware: qcom_scm: Add support for Qualcomm Secure Execution Environment SCM interface")
> Reported-by: kernel test robot <lkp@intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202311191654.S4wlVUrz-lkp@intel.com/
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
> drivers/firmware/qcom/qcom_scm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c
> index 520de9b5633a..ecdb367dc9b8 100644
> --- a/drivers/firmware/qcom/qcom_scm.c
> +++ b/drivers/firmware/qcom/qcom_scm.c
> @@ -1649,7 +1649,7 @@ EXPORT_SYMBOL_GPL(qcom_scm_qseecom_app_send);
> * We do not yet support re-entrant calls via the qseecom interface. To prevent
> + any potential issues with this, only allow validated machines for now.
> */
> -static const struct of_device_id qcom_scm_qseecom_allowlist[] = {
> +static const struct of_device_id qcom_scm_qseecom_allowlist[] __maybe_unused = {
> { .compatible = "lenovo,thinkpad-x13s", },
> { }
> };

Thanks! Given that we're right now only allowing qseecom clients to load
on devices within that list, maybe it would be cleaner to make
QCOM_QSEECOM depend on OF explicitly instead?

Anyway, I'm also fine with this solution.

Acked-by: Maximilian Luz <luzmaximilian@gmail.com>

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