From: Rick Chen rick@andestech.com
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 --- drivers/cache/cache-uclass.c | 20 ++++++++++++++++++++ include/cache.h | 31 +++++++++++++++++++++++++++++++ 2 files changed, 51 insertions(+)
diff --git a/drivers/cache/cache-uclass.c b/drivers/cache/cache-uclass.c index 97ce024..3b20a10 100644 --- a/drivers/cache/cache-uclass.c +++ b/drivers/cache/cache-uclass.c @@ -17,6 +17,26 @@ int cache_get_info(struct udevice *dev, struct cache_info *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) = { .id = UCLASS_CACHE, .name = "cache", diff --git a/include/cache.h b/include/cache.h index c6334ca..32f59fd 100644 --- a/include/cache.h +++ b/include/cache.h @@ -22,6 +22,22 @@ struct cache_ops { * @return 0 if OK, -ve on error */ 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) @@ -35,4 +51,19 @@ struct cache_ops { */ 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