diff options
| author | Wei Fu <wefu@redhat.com> | 2021-09-19 09:12:45 +0300 |
|---|---|---|
| committer | Tekkaman Ninja <tekkamanninja@163.com> | 2022-02-15 12:48:24 +0300 |
| commit | 28db513a7dd4dd56eb40f764aa674308c97f21ee (patch) | |
| tree | ce80753f014c512fe94b2aadeb5565e6be35aee1 | |
| parent | ae8609677b36ea881352fdd6610acdc6294f8333 (diff) | |
| download | u-boot-28db513a7dd4dd56eb40f764aa674308c97f21ee.tar.xz | |
cache: add flush_range interface in cache_ops struct
Signed-off-by: Wei Fu <wefu@redhat.com>
| -rw-r--r-- | drivers/cache/cache-uclass.c | 11 | ||||
| -rw-r--r-- | include/cache.h | 21 |
2 files changed, 32 insertions, 0 deletions
diff --git a/drivers/cache/cache-uclass.c b/drivers/cache/cache-uclass.c index 0c13dbdb75..399db84fb7 100644 --- a/drivers/cache/cache-uclass.c +++ b/drivers/cache/cache-uclass.c @@ -39,6 +39,17 @@ int cache_disable(struct udevice *dev) return ops->disable(dev); } + +int flush_range(struct udevice *dev, unsigned long start, unsigned long end) +{ + struct cache_ops *ops = cache_get_ops(dev); + + if (!ops->flush_range) + return -ENOSYS; + + return ops->flush_range(dev, start, end); +} + UCLASS_DRIVER(cache) = { .id = UCLASS_CACHE, .name = "cache", diff --git a/include/cache.h b/include/cache.h index b12fec2591..52835d236f 100644 --- a/include/cache.h +++ b/include/cache.h @@ -40,6 +40,17 @@ struct cache_ops { * @return 0 if OK, -ve on error */ int (*disable)(struct udevice *dev); + + /** + * flush_range() - Flush cache in a range + * + * @dev: Device to check (UCLASS_CACHE) + * @start: start address of the range + * @end: end address of the range + * @return 0 if OK, -ve on error + */ + int (*flush_range)(struct udevice *dev, + unsigned long start, unsigned long end); }; #define cache_get_ops(dev) ((struct cache_ops *)(dev)->driver->ops) @@ -68,4 +79,14 @@ int cache_enable(struct udevice *dev); * Return: 0 if OK, -ve on error */ int cache_disable(struct udevice *dev); + +/** + * flush_range() - Flush cache + * + * @dev: Device to check (UCLASS_CACHE) + * @start: start address of the range + * @end: end address of the range + * @return 0 if OK, -ve on error + */ +int flush_range(struct udevice *dev, unsigned long start, unsigned long end); #endif |