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interconnect: add device managed bulk API
Add device managed bulk API to simplify driver. Signed-off-by: Peng Fan <peng.fan@nxp.com> Link: https://lore.kernel.org/r/20220703091132.1412063-4-peng.fan@oss.nxp.com Signed-off-by: Georgi Djakov <djakov@kernel.org>
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2 changed files with 49 additions and 0 deletions
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@ -115,3 +115,45 @@ void icc_bulk_disable(int num_paths, const struct icc_bulk_data *paths)
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icc_disable(paths[num_paths].path);
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icc_disable(paths[num_paths].path);
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}
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}
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EXPORT_SYMBOL_GPL(icc_bulk_disable);
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EXPORT_SYMBOL_GPL(icc_bulk_disable);
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struct icc_bulk_devres {
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struct icc_bulk_data *paths;
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int num_paths;
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};
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static void devm_icc_bulk_release(struct device *dev, void *res)
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{
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struct icc_bulk_devres *devres = res;
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icc_bulk_put(devres->num_paths, devres->paths);
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}
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/**
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* devm_of_icc_bulk_get() - resource managed of_icc_bulk_get
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* @dev: the device requesting the path
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* @num_paths: the number of icc_bulk_data
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* @paths: the table with the paths we want to get
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*
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* Returns 0 on success or negative errno otherwise.
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*/
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int devm_of_icc_bulk_get(struct device *dev, int num_paths, struct icc_bulk_data *paths)
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{
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struct icc_bulk_devres *devres;
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int ret;
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devres = devres_alloc(devm_icc_bulk_release, sizeof(*devres), GFP_KERNEL);
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if (!devres)
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return -ENOMEM;
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ret = of_icc_bulk_get(dev, num_paths, paths);
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if (!ret) {
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devres->paths = paths;
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devres->num_paths = num_paths;
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devres_add(dev, devres);
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} else {
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devres_free(devres);
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}
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return ret;
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}
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EXPORT_SYMBOL_GPL(devm_of_icc_bulk_get);
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@ -44,6 +44,7 @@ struct icc_path *icc_get(struct device *dev, const int src_id,
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const int dst_id);
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const int dst_id);
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struct icc_path *of_icc_get(struct device *dev, const char *name);
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struct icc_path *of_icc_get(struct device *dev, const char *name);
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struct icc_path *devm_of_icc_get(struct device *dev, const char *name);
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struct icc_path *devm_of_icc_get(struct device *dev, const char *name);
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int devm_of_icc_bulk_get(struct device *dev, int num_paths, struct icc_bulk_data *paths);
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struct icc_path *of_icc_get_by_index(struct device *dev, int idx);
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struct icc_path *of_icc_get_by_index(struct device *dev, int idx);
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void icc_put(struct icc_path *path);
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void icc_put(struct icc_path *path);
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int icc_enable(struct icc_path *path);
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int icc_enable(struct icc_path *path);
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@ -116,6 +117,12 @@ static inline int of_icc_bulk_get(struct device *dev, int num_paths, struct icc_
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return 0;
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return 0;
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}
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}
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static inline int devm_of_icc_bulk_get(struct device *dev, int num_paths,
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struct icc_bulk_data *paths)
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{
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return 0;
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}
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static inline void icc_bulk_put(int num_paths, struct icc_bulk_data *paths)
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static inline void icc_bulk_put(int num_paths, struct icc_bulk_data *paths)
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{
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{
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}
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}
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