Commit e145d9a1 authored by Akash Asthana's avatar Akash Asthana Committed by Georgi Djakov
Browse files

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: default avatarAkash Asthana <akashast@codeaurora.org>
Reviewed by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/1586946198-13912-2-git-send-email-akashast@codeaurora.org


Signed-off-by: default avatarGeorgi Djakov <georgi.djakov@linaro.org>
parent 6a8b55ed
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+25 −0
Original line number Diff line number Diff line
@@ -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
+7 −0
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ struct device;
struct icc_path *icc_get(struct device *dev, const int src_id,
			 const int dst_id);
struct icc_path *of_icc_get(struct device *dev, const char *name);
struct icc_path *devm_of_icc_get(struct device *dev, const char *name);
void icc_put(struct icc_path *path);
int icc_set_bw(struct icc_path *path, u32 avg_bw, u32 peak_bw);
void icc_set_tag(struct icc_path *path, u32 tag);
@@ -46,6 +47,12 @@ static inline struct icc_path *of_icc_get(struct device *dev,
	return NULL;
}

static inline struct icc_path *devm_of_icc_get(struct device *dev,
						const char *name)
{
	return NULL;
}

static inline void icc_put(struct icc_path *path)
{
}