[PATCH v2] iommu/arm-smmu: Mark qcom_smmu_client_of_match as possibly unused

[Will Deacon]

On Mon, Jun 08, 2020 at 04:13:08PM +0100, Will Deacon wrote:
> On Thu, Jun 04, 2020 at 02:39:04PM -0600, Jordan Crouse wrote:
> > 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 at intel.com>
> > Acked-by: Will Deacon <will at kernel.org>
> > Signed-off-by: Jordan Crouse <jcrouse at codeaurora.org>
> > ---
> > 
> >  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..be4318044f96 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 of_device_id qcom_smmu_client_of_match[] __maybe_unused = {
> >  	{ .compatible = "qcom,adreno" },
> >  	{ .compatible = "qcom,mdp4" },
> >  	{ .compatible = "qcom,mdss" },
> 
> Thanks. Joerg -- can you pick this one up, please? I don't have any other
> SMMU fixes pending at the moment.

I can't see this in Joerg's tree or in linux-next. Joerg: did you pick this
one up? (I thought you did, but I can't find it!).

Will