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authorKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>2024-02-16 17:40:26 +0300
committerJoerg Roedel <jroedel@suse.de>2024-03-01 15:47:01 +0300
commit5896e6e39b86c1d820b3ccf5caea9aef40c2eacd (patch)
tree6dc15d6683801c5a4ca59a7c5c6f310bdfd45cfc
parentb42a905b6aad40c092cf17f4b295a4c389bc7206 (diff)
downloadlinux-5896e6e39b86c1d820b3ccf5caea9aef40c2eacd.tar.xz
iommu: constify fwnode in iommu_ops_from_fwnode()
Make pointer to fwnode_handle a pointer to const for code safety. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20240216144027.185959-3-krzysztof.kozlowski@linaro.org Signed-off-by: Joerg Roedel <jroedel@suse.de>
-rw-r--r--drivers/iommu/iommu.c2
-rw-r--r--include/linux/iommu.h4
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index b0a41f598dcf..28b18ed83273 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -2774,7 +2774,7 @@ bool iommu_default_passthrough(void)
}
EXPORT_SYMBOL_GPL(iommu_default_passthrough);
-const struct iommu_ops *iommu_ops_from_fwnode(struct fwnode_handle *fwnode)
+const struct iommu_ops *iommu_ops_from_fwnode(const struct fwnode_handle *fwnode)
{
const struct iommu_ops *ops = NULL;
struct iommu_device *iommu;
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 98a958621dcb..7c8032202457 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -986,7 +986,7 @@ int iommu_fwspec_init(struct device *dev, struct fwnode_handle *iommu_fwnode,
const struct iommu_ops *ops);
void iommu_fwspec_free(struct device *dev);
int iommu_fwspec_add_ids(struct device *dev, const u32 *ids, int num_ids);
-const struct iommu_ops *iommu_ops_from_fwnode(struct fwnode_handle *fwnode);
+const struct iommu_ops *iommu_ops_from_fwnode(const struct fwnode_handle *fwnode);
static inline struct iommu_fwspec *dev_iommu_fwspec_get(struct device *dev)
{
@@ -1309,7 +1309,7 @@ static inline int iommu_fwspec_add_ids(struct device *dev, u32 *ids,
}
static inline
-const struct iommu_ops *iommu_ops_from_fwnode(struct fwnode_handle *fwnode)
+const struct iommu_ops *iommu_ops_from_fwnode(const struct fwnode_handle *fwnode)
{
return NULL;
}