Commit 2bb129eb authored by Julia Lawall's avatar Julia Lawall Committed by Vinod Koul
Browse files

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: default avatarJulia Lawall <Julia.Lawall@lip6.fr>
Acked-by: default avatarDan Williams <dan.j.williams@intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent d3cd63f9

drivers/dca/dca-core.c

+2 −1
Original line number Diff line number Diff line
@@ -321,7 +321,8 @@ EXPORT_SYMBOL_GPL(dca_get_tag); 
 * @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;

drivers/dma/ioat/dca.c

+1 −1
Original line number Diff line number Diff line
@@ -224,7 +224,7 @@ static u8 ioat_dca_get_tag(struct dca_provider *dca, 
	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,

include/linux/dca.h

+3 −2
Original line number Diff line number Diff line
@@ -34,7 +34,7 @@ void dca_unregister_notify(struct notifier_block *nb); 


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 @@ struct dca_ops { 
	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);

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