1 // SPDX-License-Identifier: GPL-2.0-only
19 #include <linux/clk-provider.h>
33  * Then we take the most specific entry - with the following
50 		if (p->dev_id) {  in clk_find()
51 			if (!dev_id || strcmp(p->dev_id, dev_id))  in clk_find()
55 		if (p->con_id) {  in clk_find()
56 			if (!con_id || strcmp(p->con_id, con_id))  in clk_find()
75 	struct clk_hw *hw = ERR_PTR(-ENOENT);  in clk_find_hw()
80 		hw = cl->clk_hw;  in clk_find_hw()
105 	if (dev && dev->of_node) {  in clk_get()
106 		hw = of_clk_get_hw(dev->of_node, 0, con_id);  in clk_get()
107 		if (!IS_ERR(hw) || PTR_ERR(hw) == -EPROBE_DEFER)  in clk_get()
124 	list_add_tail(&cl->node, &clocks);  in __clkdev_add()
130 	if (!cl->clk_hw)  in clkdev_add()
131 		cl->clk_hw = __clk_get_hw(cl->clk);  in clkdev_add()
139 	while (num--) {  in clkdev_add_table()
140 		cl->clk_hw = __clk_get_hw(cl->clk);  in clkdev_add_table()
141 		list_add_tail(&cl->node, &clocks);  in clkdev_add_table()
173 	cla->cl.clk_hw = hw;  in vclkdev_alloc()
175 		res = strscpy(cla->con_id, con_id, sizeof(cla->con_id));  in vclkdev_alloc()
177 			max_size = sizeof(cla->con_id);  in vclkdev_alloc()
181 		cla->cl.con_id = cla->con_id;  in vclkdev_alloc()
185 		res = vsnprintf(cla->dev_id, sizeof(cla->dev_id), dev_fmt, ap);  in vclkdev_alloc()
186 		if (res >= sizeof(cla->dev_id)) {  in vclkdev_alloc()
187 			max_size = sizeof(cla->dev_id);  in vclkdev_alloc()
191 		cla->cl.dev_id = cla->dev_id;  in vclkdev_alloc()
196 	return &cla->cl;  in vclkdev_alloc()
202 		vaf.fmt = "null-device";  in vclkdev_alloc()
212 	strscpy(cla->con_id, "bad", sizeof(cla->con_id));  in vclkdev_alloc()
213 	strscpy(cla->dev_id, "bad", sizeof(cla->dev_id));  in vclkdev_alloc()
215 	return &cla->cl;  in vclkdev_alloc()
232  * clkdev_create - allocate and add a clkdev lookup structure
255  * clkdev_hw_create - allocate and add a clkdev lookup structure
290 	return l ? 0 : -ENODEV;  in clk_add_alias()
295  * clkdev_drop - remove a clock dynamically allocated
300 	list_del(&cl->node);  in clkdev_drop()
334 	return *cl ? 0 : -ENOMEM;  in do_clk_register_clkdev()
338  * clk_register_clkdev - register one clock lookup for a struct clk
348  * those.  This is to permit this function to be called immediately
365  * clk_hw_register_clkdev - register one clock lookup for a struct clk_hw
375  * those.  This is to permit this function to be called immediately
393  * devm_clk_hw_register_clkdev - managed clk lookup registration for clk_hw
404  * those.  This is to permit this function to be called immediately