When CONFIG_OF=n of_match_device() gets pre-processed out of existence leaving qcom-smmu_client_of_match unused. Mark it as possibly unused to keep the compiler from warning in that case. Fixes: 0e764a01015d ("iommu/arm-smmu: Allow client devices to select direct mapping") Reported-by: kbuild test robot <lkp@xxxxxxxxx> Signed-off-by: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx> --- drivers/iommu/arm-smmu-qcom.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/arm-smmu-qcom.c b/drivers/iommu/arm-smmu-qcom.c index cf01d0215a39..063b4388b0ff 100644 --- a/drivers/iommu/arm-smmu-qcom.c +++ b/drivers/iommu/arm-smmu-qcom.c @@ -12,7 +12,7 @@ struct qcom_smmu { struct arm_smmu_device smmu; }; -static const struct of_device_id qcom_smmu_client_of_match[] = { +static const struct __maybe_unused of_device_id qcom_smmu_client_of_match[] = { { .compatible = "qcom,adreno" }, { .compatible = "qcom,mdp4" }, { .compatible = "qcom,mdss" }, -- 2.17.1