dmaengine: ioatdma: constify dca_ops structures

The dca_ops structure is never modified, so declare it as const. Done with the help of Coccinelle.

Julia Lawall committed 11 years ago

Commit 2bb129e1 parent d3cd63f3 files · +6 −4Browse files

Unified · Split

3 files

drivers/dca/dca-core.c +2 −1
drivers/dma/ioat/dca.c +1 −1
include/linux/dca.h +3 −2

drivers/dca/dca-core.c+2−1

@@ -321,7 +321,8 @@ EXPORT_SYMBOL_GPL(dca_get_tag); · 320 unmodified lines
321	321	* @ops - pointer to struct of dca operation function pointers
322	322	* @priv_size - size of extra mem to be added for provider's needs
323	323	*/
324		−struct dca_provider alloc_dca_provider(struct dca_ops ops, int priv_size)
	324	+struct dca_provider alloc_dca_provider(const struct dca_ops ops,
	325	+ int priv_size)
325	326	{
326	327	struct dca_provider *dca;
327	328	int alloc_size;

drivers/dma/ioat/dca.c+1−1

@@ -224,7 +224,7 @@ static u8 ioat_dca_get_tag(struct dca_provider *dca, · 223 unmodified lines
224	224	return tag;
225	225	}
226	226
227		−static struct dca_ops ioat_dca_ops = {
	227	+static const struct dca_ops ioat_dca_ops = {
228	228	.add_requester = ioat_dca_add_requester,
229	229	.remove_requester = ioat_dca_remove_requester,
230	230	.get_tag = ioat_dca_get_tag,

include/linux/dca.h+3−2

@@ -34,7 +34,7 @@ void dca_unregister_notify(struct notifier_block *nb); · 33 unmodified lines
34	34
35	35	struct dca_provider {
36	36	struct list_head node;
37		− struct dca_ops *ops;
	37	+ const struct dca_ops *ops;
38	38	struct device *cd;
39	39	int id;
40	40	};
@@ -53,7 +53,8 @@ struct dca_ops { · 12 unmodified lines
53	53	int (dev_managed) (struct dca_provider , struct device *);
54	54	};
55	55
56		−struct dca_provider alloc_dca_provider(struct dca_ops ops, int priv_size);
	56	+struct dca_provider alloc_dca_provider(const struct dca_ops ops,
	57	+ int priv_size);
57	58	void free_dca_provider(struct dca_provider *dca);
58	59	int register_dca_provider(struct dca_provider dca, struct device dev);
59	60	void unregister_dca_provider(struct dca_provider dca, struct device dev);