From 5896e6e39b86c1d820b3ccf5caea9aef40c2eacd Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Fri, 16 Feb 2024 15:40:26 +0100 Subject: [PATCH] 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 Link: https://lore.kernel.org/r/20240216144027.185959-3-krzysztof.kozlowski@linaro.org Signed-off-by: Joerg Roedel --- drivers/iommu/iommu.c | 2 +- include/linux/iommu.h | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index b0a41f598dcf1..28b18ed83273f 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 98a958621dcbb..7c80322024578 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; } -- 2.30.2