1 // SPDX-License-Identifier: GPL-2.0
3  * compat.c - A series of functions to make it easier to convert drivers that use
13 static void pnp_convert_id(char *buf, unsigned short vendor,  in pnp_convert_id()  argument
17 		'A' + ((vendor >> 2) & 0x3f) - 1,  in pnp_convert_id()
18 		'A' + (((vendor & 3) << 3) | ((vendor >> 13) & 7)) - 1,  in pnp_convert_id()
19 		'A' + ((vendor >> 8) & 0x1f) - 1,  in pnp_convert_id()
24 struct pnp_dev *pnp_find_dev(struct pnp_card *card, unsigned short vendor,  in pnp_find_dev()  argument
27 	char id[8];  in pnp_find_dev()  local
30 	pnp_convert_id(id, vendor, function);  in pnp_find_dev()
37 			list = from->global_list.next;  in pnp_find_dev()
42 			if (compare_pnp_id(dev->id, id) ||  in pnp_find_dev()
43 			    (memcmp(id, any, 7) == 0))  in pnp_find_dev()
45 			list = list->next;  in pnp_find_dev()
50 		list = card->devices.next;  in pnp_find_dev()
52 			list = from->card_list.next;  in pnp_find_dev()
53 			if (from->card != card)	/* something is wrong */  in pnp_find_dev()
56 		while (list != &card->devices) {  in pnp_find_dev()
59 			if (compare_pnp_id(dev->id, id))  in pnp_find_dev()
61 			list = list->next;  in pnp_find_dev()