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path: root/drivers/interconnect/core.c
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Diffstat (limited to 'drivers/interconnect/core.c')
-rw-r--r--drivers/interconnect/core.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
index e5f998744501..befd111049c0 100644
--- a/drivers/interconnect/core.c
+++ b/drivers/interconnect/core.c
@@ -243,6 +243,7 @@ static int aggregate_requests(struct icc_node *node)
{
struct icc_provider *p = node->provider;
struct icc_req *r;
+ u32 avg_bw, peak_bw;
node->avg_bw = 0;
node->peak_bw = 0;
@@ -251,9 +252,14 @@ static int aggregate_requests(struct icc_node *node)
p->pre_aggregate(node);
hlist_for_each_entry(r, &node->req_list, req_node) {
- if (!r->enabled)
- continue;
- p->aggregate(node, r->tag, r->avg_bw, r->peak_bw,
+ if (r->enabled) {
+ avg_bw = r->avg_bw;
+ peak_bw = r->peak_bw;
+ } else {
+ avg_bw = 0;
+ peak_bw = 0;
+ }
+ p->aggregate(node, r->tag, avg_bw, peak_bw,
&node->avg_bw, &node->peak_bw);
}
@@ -263,23 +269,22 @@ static int aggregate_requests(struct icc_node *node)
static int apply_constraints(struct icc_path *path)
{
struct icc_node *next, *prev = NULL;
+ struct icc_provider *p;
int ret = -EINVAL;
int i;
for (i = 0; i < path->num_nodes; i++) {
next = path->reqs[i].node;
+ p = next->provider;
- /*
- * Both endpoints should be valid master-slave pairs of the
- * same interconnect provider that will be configured.
- */
- if (!prev || next->provider != prev->provider) {
+ /* both endpoints should be valid master-slave pairs */
+ if (!prev || (p != prev->provider && !p->inter_set)) {
prev = next;
continue;
}
/* set the constraints */
- ret = next->provider->set(prev, next);
+ ret = p->set(prev, next);
if (ret)
goto out;
@@ -334,12 +339,12 @@ EXPORT_SYMBOL_GPL(of_icc_xlate_onecell);
* Returns a valid pointer to struct icc_node on success or ERR_PTR()
* on failure.
*/
-static struct icc_node *of_icc_get_from_provider(struct of_phandle_args *spec)
+struct icc_node *of_icc_get_from_provider(struct of_phandle_args *spec)
{
struct icc_node *node = ERR_PTR(-EPROBE_DEFER);
struct icc_provider *provider;
- if (!spec || spec->args_count != 1)
+ if (!spec)
return ERR_PTR(-EINVAL);
mutex_lock(&icc_lock);
@@ -353,6 +358,7 @@ static struct icc_node *of_icc_get_from_provider(struct of_phandle_args *spec)
return node;
}
+EXPORT_SYMBOL_GPL(of_icc_get_from_provider);
static void devm_icc_release(struct device *dev, void *res)
{