drivers/hte/hte.c

142  * hte_ts_put() - Release and disable timestamp for the given desc.
144  * @desc: timestamp descriptor.
150 int hte_ts_put(struct hte_ts_desc *desc)
157 	if (!desc)
160 	ei = desc->hte_data;
172 			 desc->attr.line_id);
180 			 desc->attr.line_id);
188 		desc->hte_data = NULL;
193 	ret = gdev->chip->ops->release(gdev->chip, desc, ei->xlated_id);
196 			desc->attr.line_id);
202 		kfree_const(desc->attr.name);
219 	desc->hte_data = NULL;
231 	dev_dbg(gdev->sdev, "release id: %d\n", desc->attr.line_id);
237 static int hte_ts_dis_en_common(struct hte_ts_desc *desc, bool en)
245 	if (!desc)
248 	ei = desc->hte_data;
254 	ts_id = desc->attr.line_id;
310  * The API does not release any resources associated with desc.
312  * @desc: ts descriptor, this is the same as returned by the request API.
317 int hte_disable_ts(struct hte_ts_desc *desc)
319 	return hte_ts_dis_en_common(desc, false);
326  * @desc: ts descriptor, this is the same as returned by the request API.
331 int hte_enable_ts(struct hte_ts_desc *desc)
333 	return hte_ts_dis_en_common(desc, true);
352 static int __hte_req_ts(struct hte_ts_desc *desc, hte_ts_cb_t cb,
357 	struct hte_ts_info *ei = desc->hte_data;
369 			desc->attr.line_id);
379 	ret = gdev->chip->ops->request(gdev->chip, desc, ei->xlated_id);
390 	if (desc->attr.name)
393 		ei->line_name = kasprintf(GFP_KERNEL, "ts_%u", desc->attr.line_id);
395 	hte_ts_dbgfs_init(desc->attr.name == NULL ?
396 			  ei->line_name : desc->attr.name, ei);
400 		desc->attr.line_id, ei->xlated_id);
411 				   struct hte_ts_desc *desc, u32 x_id)
419 			desc->attr.line_id);
425 	desc->hte_data = ei;
452 static struct hte_device *hte_find_dev_from_linedata(struct hte_ts_desc *desc)
460 			if (!gdev->chip->match_from_linedata(gdev->chip, desc))
496 static inline struct hte_device *hte_get_dev(struct hte_ts_desc *desc)
498 	return hte_find_dev_from_linedata(desc);
502 					 struct hte_ts_desc *desc,
518 		desc->attr.name = NULL;
521 						    index, &desc->attr.name);
527 		if (desc->attr.name) {
528 			temp = skip_spaces(desc->attr.name);
530 				desc->attr.name = NULL;
548  * hte_ts_get() - The function to initialize and obtain HTE desc.
555  * @desc: Pre-allocated timestamp descriptor.
562 int hte_ts_get(struct device *dev, struct hte_ts_desc *desc, int index)
572 	if (!desc)
578 		gdev = hte_of_get_dev(dev, desc, index, &args, &free_name);
580 		gdev = hte_get_dev(desc);
602 						   desc, &xlated_id);
607 			ret = gdev->chip->xlate_plat(gdev->chip, desc,
616 	ret = hte_bind_ts_info_locked(ei, desc, xlated_id);
642  * @desc: Pre-allocated and initialized timestamp descriptor.
651 int hte_request_ts_ns(struct hte_ts_desc *desc, hte_ts_cb_t cb,
657 	if (!desc || !desc->hte_data || !cb)
660 	ei = desc->hte_data;
664 	ret = __hte_req_ts(desc, cb, tcb, data);
667 			"failed to request id: %d\n", desc->attr.line_id);
684  * @desc: Pre-allocated and initialized timestamp descriptor.
693 int devm_hte_request_ts_ns(struct device *dev, struct hte_ts_desc *desc,
702 	err = hte_request_ts_ns(desc, cb, tcb, data);
706 	err = devm_add_action_or_reset(dev, __devm_hte_release_ts, desc);
721  * @desc: Pre-allocated timestamp descriptor.
730 int hte_init_line_attr(struct hte_ts_desc *desc, u32 line_id,
733 	if (!desc)
736 	memset(&desc->attr, 0, sizeof(desc->attr));
738 	desc->attr.edge_flags = edge_flags;
739 	desc->attr.line_id = line_id;
740 	desc->attr.line_data = data;
747 	desc->attr.name = name;
757  * @desc: ts descriptor, same as returned from request API.
763 int hte_get_clk_src_info(const struct hte_ts_desc *desc,
769 	if (!desc || !desc->hte_data || !ci) {
774 	ei = desc->hte_data;