dmaengine: ioatdma: constify dca_ops structures
The dca_ops structure is never modified, so declare it as const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/drivers/dca/dca-core.c b/drivers/dca/dca-core.c
index 819dfda..7afbb28 100644
--- a/drivers/dca/dca-core.c
+++ b/drivers/dca/dca-core.c
@@ -321,7 +321,8 @@
* @ops - pointer to struct of dca operation function pointers
* @priv_size - size of extra mem to be added for provider's needs
*/
-struct dca_provider *alloc_dca_provider(struct dca_ops *ops, int priv_size)
+struct dca_provider *alloc_dca_provider(const struct dca_ops *ops,
+ int priv_size)
{
struct dca_provider *dca;
int alloc_size;
diff --git a/drivers/dma/ioat/dca.c b/drivers/dma/ioat/dca.c
index 2cb7c30..0b9b6b0 100644
--- a/drivers/dma/ioat/dca.c
+++ b/drivers/dma/ioat/dca.c
@@ -224,7 +224,7 @@
return tag;
}
-static struct dca_ops ioat_dca_ops = {
+static const struct dca_ops ioat_dca_ops = {
.add_requester = ioat_dca_add_requester,
.remove_requester = ioat_dca_remove_requester,
.get_tag = ioat_dca_get_tag,
diff --git a/include/linux/dca.h b/include/linux/dca.h
index d27a7a0..ad956c2 100644
--- a/include/linux/dca.h
+++ b/include/linux/dca.h
@@ -34,7 +34,7 @@
struct dca_provider {
struct list_head node;
- struct dca_ops *ops;
+ const struct dca_ops *ops;
struct device *cd;
int id;
};
@@ -53,7 +53,8 @@
int (*dev_managed) (struct dca_provider *, struct device *);
};
-struct dca_provider *alloc_dca_provider(struct dca_ops *ops, int priv_size);
+struct dca_provider *alloc_dca_provider(const struct dca_ops *ops,
+ int priv_size);
void free_dca_provider(struct dca_provider *dca);
int register_dca_provider(struct dca_provider *dca, struct device *dev);
void unregister_dca_provider(struct dca_provider *dca, struct device *dev);