Adding upstream version 6.1.82.upstream/6.1.82

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 3 insertions, 15 deletions

diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
index 1d9494f64..4526ff2e1 100644
--- a/drivers/interconnect/core.c
+++ b/drivers/interconnect/core.c
@@ -29,7 +29,6 @@ static LIST_HEAD(icc_providers);
 static int providers_count;
 static bool synced_state;
 static DEFINE_MUTEX(icc_lock);
-static DEFINE_MUTEX(icc_bw_lock);
 static struct dentry *icc_debugfs_dir;
 
 static void icc_summary_show_one(struct seq_file *s, struct icc_node *n)
@@ -636,7 +635,7 @@ int icc_set_bw(struct icc_path *path, u32 avg_bw, u32 peak_bw)
 	if (WARN_ON(IS_ERR(path) || !path->num_nodes))
 		return -EINVAL;
 
-	mutex_lock(&icc_bw_lock);
+	mutex_lock(&icc_lock);
 
 	old_avg = path->reqs[0].avg_bw;
 	old_peak = path->reqs[0].peak_bw;
@@ -668,7 +667,7 @@ int icc_set_bw(struct icc_path *path, u32 avg_bw, u32 peak_bw)
 		apply_constraints(path);
 	}
 
-	mutex_unlock(&icc_bw_lock);
+	mutex_unlock(&icc_lock);
 
 	trace_icc_set_bw_end(path, ret);
 
@@ -971,7 +970,6 @@ void icc_node_add(struct icc_node *node, struct icc_provider *provider)
 		return;
 
 	mutex_lock(&icc_lock);
-	mutex_lock(&icc_bw_lock);
 
 	node->provider = provider;
 	list_add_tail(&node->node_list, &provider->nodes);
@@ -997,7 +995,6 @@ void icc_node_add(struct icc_node *node, struct icc_provider *provider)
 	node->avg_bw = 0;
 	node->peak_bw = 0;
 
-	mutex_unlock(&icc_bw_lock);
 	mutex_unlock(&icc_lock);
 }
 EXPORT_SYMBOL_GPL(icc_node_add);
@@ -1137,7 +1134,6 @@ void icc_sync_state(struct device *dev)
 		return;
 
 	mutex_lock(&icc_lock);
-	mutex_lock(&icc_bw_lock);
 	synced_state = true;
 	list_for_each_entry(p, &icc_providers, provider_list) {
 		dev_dbg(p->dev, "interconnect provider is in synced state\n");
@@ -1150,21 +1146,13 @@ void icc_sync_state(struct device *dev)
 			}
 		}
 	}
-	mutex_unlock(&icc_bw_lock);
 	mutex_unlock(&icc_lock);
 }
 EXPORT_SYMBOL_GPL(icc_sync_state);
 
 static int __init icc_init(void)
 {
-	struct device_node *root;
-
-	/* Teach lockdep about lock ordering wrt. shrinker: */
-	fs_reclaim_acquire(GFP_KERNEL);
-	might_lock(&icc_bw_lock);
-	fs_reclaim_release(GFP_KERNEL);
-
-	root = of_find_node_by_path("/");
+	struct device_node *root = of_find_node_by_path("/");
 
 	providers_count = of_count_icc_providers(root);
 	of_node_put(root);