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_card *pnp_find_card(unsigned short vendor, unsigned short device,  in pnp_find_card()  argument
27 	char id[8];  in pnp_find_card()  local
31 	pnp_convert_id(id, vendor, device);  in pnp_find_card()
34 	list = from ? from->global_list.next : pnp_cards.next;  in pnp_find_card()
39 		if (compare_pnp_id(card->id, id) || (memcmp(id, any, 7) == 0))  in pnp_find_card()
41 		list = list->next;  in pnp_find_card()
46 struct pnp_dev *pnp_find_dev(struct pnp_card *card, unsigned short vendor,  in pnp_find_dev()  argument
49 	char id[8];  in pnp_find_dev()  local
52 	pnp_convert_id(id, vendor, function);  in pnp_find_dev()
59 			list = from->global_list.next;  in pnp_find_dev()
64 			if (compare_pnp_id(dev->id, id) ||  in pnp_find_dev()
65 			    (memcmp(id, any, 7) == 0))  in pnp_find_dev()
67 			list = list->next;  in pnp_find_dev()
72 		list = card->devices.next;  in pnp_find_dev()
74 			list = from->card_list.next;  in pnp_find_dev()
75 			if (from->card != card)	/* something is wrong */  in pnp_find_dev()
78 		while (list != &card->devices) {  in pnp_find_dev()
81 			if (compare_pnp_id(dev->id, id))  in pnp_find_dev()
83 			list = list->next;  in pnp_find_dev()