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authorAkash Asthana <akashast@codeaurora.org>2020-04-15 15:53:10 +0530
committerGeorgi Djakov <georgi.djakov@linaro.org>2020-04-27 21:44:33 +0300
commite145d9a184f23639edc864e2fa08fcc1853361a4 (patch)
tree5426d21b7f67c133cb2c5151879a2f146c00496b /drivers/interconnect
parent6a8b55ed4056ea5559ebe4f6a4b247f627870d4c (diff)
interconnect: Add devm_of_icc_get() as exported API for users
Users can use devm version of of_icc_get() to benefit from automatic resource release. Signed-off-by: Akash Asthana <akashast@codeaurora.org> Reviewed by: Matthias Kaehlcke <mka@chromium.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/1586946198-13912-2-git-send-email-akashast@codeaurora.org Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Diffstat (limited to 'drivers/interconnect')
-rw-r--r--drivers/interconnect/core.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
index 2c6515e3ecf1..f5699ed34e43 100644
--- a/drivers/interconnect/core.c
+++ b/drivers/interconnect/core.c
@@ -350,6 +350,31 @@ static struct icc_node *of_icc_get_from_provider(struct of_phandle_args *spec)
return node;
}
+static void devm_icc_release(struct device *dev, void *res)
+{
+ icc_put(*(struct icc_path **)res);
+}
+
+struct icc_path *devm_of_icc_get(struct device *dev, const char *name)
+{
+ struct icc_path **ptr, *path;
+
+ ptr = devres_alloc(devm_icc_release, sizeof(**ptr), GFP_KERNEL);
+ if (!ptr)
+ return ERR_PTR(-ENOMEM);
+
+ path = of_icc_get(dev, name);
+ if (!IS_ERR(path)) {
+ *ptr = path;
+ devres_add(dev, ptr);
+ } else {
+ devres_free(ptr);
+ }
+
+ return path;
+}
+EXPORT_SYMBOL_GPL(devm_of_icc_get);
+
/**
* of_icc_get() - get a path handle from a DT node based on name
* @dev: device pointer for the consumer device