From: Christoph Hellwig <hch@lst.de>
To: Joerg Roedel <joro@8bytes.org>, Sven Peter <sven@svenpeter.dev>,
David Woodhouse <dwmw2@infradead.org>,
Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Lu Baolu <baolu.lu@linux.intel.com>,
Yong Wu <yong.wu@mediatek.com>,
Jean-Philippe Brucker <jean-philippe@linaro.org>
Cc: iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/4] iommu: remove the unused dev_has_feat method
Date: Fri, 8 Jul 2022 10:06:13 +0200 [thread overview]
Message-ID: <20220708080616.238833-2-hch@lst.de> (raw)
In-Reply-To: <20220708080616.238833-1-hch@lst.de>
This method is never actually called.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 1 -
include/linux/iommu.h | 4 +---
2 files changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index d9c1623ec1a9a..1b6c17dd81ee4 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -2853,7 +2853,6 @@ static struct iommu_ops arm_smmu_ops = {
.of_xlate = arm_smmu_of_xlate,
.get_resv_regions = arm_smmu_get_resv_regions,
.put_resv_regions = generic_iommu_put_resv_regions,
- .dev_has_feat = arm_smmu_dev_has_feature,
.dev_feat_enabled = arm_smmu_dev_feature_enabled,
.dev_enable_feat = arm_smmu_dev_enable_feature,
.dev_disable_feat = arm_smmu_dev_disable_feature,
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index e6abd998dbe73..a3acdb46b9391 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -164,8 +164,7 @@ struct iommu_iort_rmr_data {
* supported, this feature must be enabled before and
* disabled after %IOMMU_DEV_FEAT_SVA.
*
- * Device drivers query whether a feature is supported using
- * iommu_dev_has_feature(), and enable it using iommu_dev_enable_feature().
+ * Device drivers enable a feature using iommu_dev_enable_feature().
*/
enum iommu_dev_features {
IOMMU_DEV_FEAT_SVA,
@@ -248,7 +247,6 @@ struct iommu_ops {
bool (*is_attach_deferred)(struct device *dev);
/* Per device IOMMU features */
- bool (*dev_has_feat)(struct device *dev, enum iommu_dev_features f);
bool (*dev_feat_enabled)(struct device *dev, enum iommu_dev_features f);
int (*dev_enable_feat)(struct device *dev, enum iommu_dev_features f);
int (*dev_disable_feat)(struct device *dev, enum iommu_dev_features f);
--
2.30.2
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next prev parent reply other threads:[~2022-07-08 8:07 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-08 8:06 remove dead iommu code v2 Christoph Hellwig
2022-07-08 8:06 ` Christoph Hellwig [this message]
2022-07-08 8:43 ` [PATCH 1/4] iommu: remove the unused dev_has_feat method Baolu Lu
2022-07-08 8:06 ` [PATCH 2/4] iommu: remove iommu_dev_feature_enabled Christoph Hellwig
2022-07-08 8:47 ` Baolu Lu
2022-07-08 8:06 ` [PATCH 3/4] iommu: remove the put_resv_regions method Christoph Hellwig
2022-07-08 9:00 ` Baolu Lu
2022-07-08 9:33 ` Christoph Hellwig
2022-07-08 10:03 ` Baolu Lu
2022-07-08 10:12 ` Will Deacon
2022-07-08 10:19 ` Christoph Hellwig
2022-07-08 10:32 ` Will Deacon
2022-07-08 8:06 ` [PATCH 4/4] iommu/arm-smmu-v3: cleanup arm_smmu_dev_{enable,disable}_feature Christoph Hellwig
2022-07-08 10:33 ` Will Deacon
2022-07-15 8:14 ` remove dead iommu code v2 Joerg Roedel
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