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From: Will Deacon <will@kernel.org>
To: Jordan Crouse <jcrouse@codeaurora.org>
Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
	iommu@lists.linux-foundation.org,
	Robin Murphy <robin.murphy@arm.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2] iommu/arm-smmu: Mark qcom_smmu_client_of_match as possibly unused
Date: Mon, 8 Jun 2020 16:13:08 +0100	[thread overview]
Message-ID: <20200608151308.GB8060@willie-the-truck> (raw)
In-Reply-To: <20200604203905.31964-1-jcrouse@codeaurora.org>

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@intel.com>
> Acked-by: Will Deacon <will@kernel.org>
> Signed-off-by: Jordan Crouse <jcrouse@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.

Cheers,

Will
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  reply	other threads:[~2020-06-08 15:13 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-04 20:39 Jordan Crouse
2020-06-08 15:13 ` Will Deacon [this message]
2020-06-26 19:39   ` Jordan Crouse
2020-07-13 13:33   ` Will Deacon
2020-07-13 15:15     ` Joerg Roedel

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