Previosuly update_resource_level() would always call the change_level()
function, even if there was no change necessary.
Signed-off-by: Mike Chan <m...@android.com>
---
arch/arm/plat-omap/resource.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/arch/arm/plat-omap/resource.c b/arch/arm/plat-omap/resource.c
index 6d3bba6..ff5a938 100644
--- a/arch/arm/plat-omap/resource.c
+++ b/arch/arm/plat-omap/resource.c
@@ -104,7 +104,7 @@ static int update_resource_level(struct shared_resource
*resp)
{
struct users_list *user;
unsigned long target_level;
- int ret;
+ int ret = 0;
mutex_lock(&resp->resource_mutex);
/* Regenerate the target_value for the resource */
@@ -125,6 +125,9 @@ static int update_resource_level(struct shared_resource
*resp)
}
mutex_unlock(&resp->resource_mutex);
+ if (resp->curr_level == target_level)
+ return ret;
+
pr_debug("SRF: Changing Level for resource %s to %ld\n",
resp->name, target_level);
ret = resp->ops->change_level(resp, target_level);
--
1.7.0.1
--
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