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path: root/drivers/interconnect/bulk.c
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Diffstat (limited to 'drivers/interconnect/bulk.c')
-rw-r--r--drivers/interconnect/bulk.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/interconnect/bulk.c b/drivers/interconnect/bulk.c
index 448cc536aa79..8b1d8a412464 100644
--- a/drivers/interconnect/bulk.c
+++ b/drivers/interconnect/bulk.c
@@ -115,3 +115,45 @@ void icc_bulk_disable(int num_paths, const struct icc_bulk_data *paths)
icc_disable(paths[num_paths].path);
}
EXPORT_SYMBOL_GPL(icc_bulk_disable);
+
+struct icc_bulk_devres {
+ struct icc_bulk_data *paths;
+ int num_paths;
+};
+
+static void devm_icc_bulk_release(struct device *dev, void *res)
+{
+ struct icc_bulk_devres *devres = res;
+
+ icc_bulk_put(devres->num_paths, devres->paths);
+}
+
+/**
+ * devm_of_icc_bulk_get() - resource managed of_icc_bulk_get
+ * @dev: the device requesting the path
+ * @num_paths: the number of icc_bulk_data
+ * @paths: the table with the paths we want to get
+ *
+ * Returns 0 on success or negative errno otherwise.
+ */
+int devm_of_icc_bulk_get(struct device *dev, int num_paths, struct icc_bulk_data *paths)
+{
+ struct icc_bulk_devres *devres;
+ int ret;
+
+ devres = devres_alloc(devm_icc_bulk_release, sizeof(*devres), GFP_KERNEL);
+ if (!devres)
+ return -ENOMEM;
+
+ ret = of_icc_bulk_get(dev, num_paths, paths);
+ if (!ret) {
+ devres->paths = paths;
+ devres->num_paths = num_paths;
+ devres_add(dev, devres);
+ } else {
+ devres_free(devres);
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(devm_of_icc_bulk_get);