/** * of_icc_bulk_get() - get interconnect paths * @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 __must_check of_icc_bulk_get(struct device *dev, int num_paths, struct icc_bulk_data *paths)
{ int ret, i;
for (i = 0; i < num_paths; i++) {
paths[i].path = of_icc_get(dev, paths[i].name); if (IS_ERR(paths[i].path)) {
ret = PTR_ERR(paths[i].path); if (ret != -EPROBE_DEFER)
dev_err(dev, "of_icc_get() failed on path %s (%d)\n",
paths[i].name, ret);
paths[i].path = NULL; goto err;
}
}
return 0;
err:
icc_bulk_put(i, paths);
return ret;
}
EXPORT_SYMBOL_GPL(of_icc_bulk_get);
/** * icc_bulk_put() - put a list of interconnect paths * @num_paths: the number of icc_bulk_data * @paths: the icc_bulk_data table with the paths being put
*/ void icc_bulk_put(int num_paths, struct icc_bulk_data *paths)
{ while (--num_paths >= 0) {
icc_put(paths[num_paths].path);
paths[num_paths].path = NULL;
}
}
EXPORT_SYMBOL_GPL(icc_bulk_put);
/** * icc_bulk_set_bw() - set bandwidth to a set of paths * @num_paths: the number of icc_bulk_data * @paths: the icc_bulk_data table containing the paths and bandwidth * * Returns 0 on success or negative errno otherwise.
*/ int icc_bulk_set_bw(int num_paths, conststruct icc_bulk_data *paths)
{ int ret = 0; int i;
for (i = 0; i < num_paths; i++) {
ret = icc_set_bw(paths[i].path, paths[i].avg_bw, paths[i].peak_bw); if (ret) {
pr_err("icc_set_bw() failed on path %s (%d)\n", paths[i].name, ret); return ret;
}
}
return ret;
}
EXPORT_SYMBOL_GPL(icc_bulk_set_bw);
/** * icc_bulk_enable() - enable a previously disabled set of paths * @num_paths: the number of icc_bulk_data * @paths: the icc_bulk_data table containing the paths and bandwidth * * Returns 0 on success or negative errno otherwise.
*/ int icc_bulk_enable(int num_paths, conststruct icc_bulk_data *paths)
{ int ret, i;
for (i = 0; i < num_paths; i++) {
ret = icc_enable(paths[i].path); if (ret) {
pr_err("icc_enable() failed on path %s (%d)\n", paths[i].name, ret); goto err;
}
}
return 0;
err:
icc_bulk_disable(i, paths);
return ret;
}
EXPORT_SYMBOL_GPL(icc_bulk_enable);
/** * icc_bulk_disable() - disable a set of interconnect paths * @num_paths: the number of icc_bulk_data * @paths: the icc_bulk_data table containing the paths and bandwidth
*/ void icc_bulk_disable(int num_paths, conststruct icc_bulk_data *paths)
{ while (--num_paths >= 0)
icc_disable(paths[num_paths].path);
}
EXPORT_SYMBOL_GPL(icc_bulk_disable);
struct icc_bulk_devres { struct icc_bulk_data *paths; int num_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;
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