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dm: cache: Add enable and disable ops for cache uclass

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Add cache enable/disable ops to the DM cache uclass driver

Signed-off-by: Rick Chen <rick@andestech.com>
Cc: KC Lin <kclin@andestech.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Rick Chen 2019-08-28 18:46:04 +08:00 • committed by Andes
parent d58b0a6ee1
commit 4d0140ee1a
2 changed files with 51 additions and 0 deletions
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20
drivers/cache/cache-uclass.c vendored
View file

@ -17,6 +17,26 @@ int cache_get_info(struct udevice *dev, struct cache_info *info)
return ops->get_info(dev, info); return ops->get_info(dev, info);
} }
int cache_enable(struct udevice *dev)
{
struct cache_ops *ops = cache_get_ops(dev);
if (!ops->enable)
return -ENOSYS;
return ops->enable(dev);
}
int cache_disable(struct udevice *dev)
{
struct cache_ops *ops = cache_get_ops(dev);
if (!ops->disable)
return -ENOSYS;
return ops->disable(dev);
}
UCLASS_DRIVER(cache) = { UCLASS_DRIVER(cache) = {
.id = UCLASS_CACHE, .id = UCLASS_CACHE,
.name = "cache", .name = "cache",

31
include/cache.h
View file

@ -22,6 +22,22 @@ struct cache_ops {
* @return 0 if OK, -ve on error * @return 0 if OK, -ve on error
*/ */
int (*get_info)(struct udevice *dev, struct cache_info *info); int (*get_info)(struct udevice *dev, struct cache_info *info);
/**
* enable() - Enable cache
*
* @dev: Device to check (UCLASS_CACHE)
* @return 0 if OK, -ve on error
*/
int (*enable)(struct udevice *dev);
/**
* disable() - Flush and disable cache
*
* @dev: Device to check (UCLASS_CACHE)
* @return 0 if OK, -ve on error
*/
int (*disable)(struct udevice *dev);
}; };
#define cache_get_ops(dev) ((struct cache_ops *)(dev)->driver->ops) #define cache_get_ops(dev) ((struct cache_ops *)(dev)->driver->ops)
@ -35,4 +51,19 @@ struct cache_ops {
*/ */
int cache_get_info(struct udevice *dev, struct cache_info *info); int cache_get_info(struct udevice *dev, struct cache_info *info);
/**
* cache_enable() - Enable cache
*
* @dev: Device to check (UCLASS_CACHE)
* @return 0 if OK, -ve on error
*/
int cache_enable(struct udevice *dev);
/**
* cache_disable() - Flush and disable cache
*
* @dev: Device to check (UCLASS_CACHE)
* @return 0 if OK, -ve on error
*/
int cache_disable(struct udevice *dev);
#endif #endif