1 // SPDX-License-Identifier: GPL-2.0-or-later
43 sdio_config_attr(class, "0x%02x\n", func->class);
44 sdio_config_attr(vendor, "0x%04x\n", func->vendor);
45 sdio_config_attr(device, "0x%04x\n", func->device);
46 sdio_config_attr(revision, "%u.%u\n", func->major_rev, func->minor_rev);
47 sdio_config_attr(modalias, "sdio:c%02Xv%04Xd%04X\n", func->class, func->vendor, func->device);
49 #define sdio_info_attr(num)									\  argument
50 static ssize_t info##num##_show(struct device *dev, struct device_attribute *attr, char *buf)	\
54 	if (num > func->num_info)								\
55 		return -ENODATA;								\
56 	if (!func->info[num - 1][0])								\
58 	return sysfs_emit(buf, "%s\n", func->info[num - 1]);					\
60 static DEVICE_ATTR_RO(info##num)
84 	if (id->class != (__u8)SDIO_ANY_ID && id->class != func->class)  in sdio_match_one()
86 	if (id->vendor != (__u16)SDIO_ANY_ID && id->vendor != func->vendor)  in sdio_match_one()
88 	if (id->device != (__u16)SDIO_ANY_ID && id->device != func->device)  in sdio_match_one()
96 	const struct sdio_device_id *ids;  in sdio_match_device()  local
98 	ids = sdrv->id_table;  in sdio_match_device()
100 	if (ids) {  in sdio_match_device()
101 		while (ids->class || ids->vendor || ids->device) {  in sdio_match_device()
102 			if (sdio_match_one(func, ids))  in sdio_match_device()
103 				return ids;  in sdio_match_device()
104 			ids++;  in sdio_match_device()
129 			"SDIO_CLASS=%02X", func->class))  in sdio_bus_uevent()
130 		return -ENOMEM;  in sdio_bus_uevent()
133 			"SDIO_ID=%04X:%04X", func->vendor, func->device))  in sdio_bus_uevent()
134 		return -ENOMEM;  in sdio_bus_uevent()
137 			"SDIO_REVISION=%u.%u", func->major_rev, func->minor_rev))  in sdio_bus_uevent()
138 		return -ENOMEM;  in sdio_bus_uevent()
140 	for (i = 0; i < func->num_info; i++) {  in sdio_bus_uevent()
141 		if (add_uevent_var(env, "SDIO_INFO%u=%s", i+1, func->info[i]))  in sdio_bus_uevent()
142 			return -ENOMEM;  in sdio_bus_uevent()
147 			func->class, func->vendor, func->device))  in sdio_bus_uevent()
148 		return -ENOMEM;  in sdio_bus_uevent()
155 	struct sdio_driver *drv = to_sdio_driver(dev->driver);  in sdio_bus_probe()
162 		return -ENODEV;  in sdio_bus_probe()
168 	atomic_inc(&func->card->sdio_funcs_probed);  in sdio_bus_probe()
176 	if (func->card->host->caps & MMC_CAP_POWER_OFF_CARD) {  in sdio_bus_probe()
185 	if (mmc_card_removed(func->card))  in sdio_bus_probe()
186 		ret = -ENOMEDIUM;  in sdio_bus_probe()
193 	ret = drv->probe(func, id);  in sdio_bus_probe()
200 	atomic_dec(&func->card->sdio_funcs_probed);  in sdio_bus_probe()
201 	if (func->card->host->caps & MMC_CAP_POWER_OFF_CARD)  in sdio_bus_probe()
209 	struct sdio_driver *drv = to_sdio_driver(dev->driver);  in sdio_bus_remove()
212 	/* Make sure card is powered before invoking ->remove() */  in sdio_bus_remove()
213 	if (func->card->host->caps & MMC_CAP_POWER_OFF_CARD)  in sdio_bus_remove()
216 	drv->remove(func);  in sdio_bus_remove()
217 	atomic_dec(&func->card->sdio_funcs_probed);  in sdio_bus_remove()
219 	if (func->irq_handler) {  in sdio_bus_remove()
221 			drv->name);  in sdio_bus_remove()
228 	if (func->card->host->caps & MMC_CAP_POWER_OFF_CARD)  in sdio_bus_remove()
232 	if (func->card->host->caps & MMC_CAP_POWER_OFF_CARD)  in sdio_bus_remove()
268  *	__sdio_register_driver - register a function driver
274 	drv->drv.name = drv->name;  in __sdio_register_driver()
275 	drv->drv.bus = &sdio_bus_type;  in __sdio_register_driver()
276 	drv->drv.owner = owner;  in __sdio_register_driver()
278 	return driver_register(&drv->drv);  in __sdio_register_driver()
283  *	sdio_unregister_driver - unregister a function driver
288 	drv->drv.bus = &sdio_bus_type;  in sdio_unregister_driver()
289 	driver_unregister(&drv->drv);  in sdio_unregister_driver()
297 	if (!(func->card->quirks & MMC_QUIRK_NONSTD_SDIO))  in sdio_release_func()
304 	put_device(&func->card->dev);  in sdio_release_func()
306 	kfree(func->info);  in sdio_release_func()
307 	kfree(func->tmpbuf);  in sdio_release_func()
320 		return ERR_PTR(-ENOMEM);  in sdio_alloc_func()
326 	func->tmpbuf = kmalloc(4, GFP_KERNEL);  in sdio_alloc_func()
327 	if (!func->tmpbuf) {  in sdio_alloc_func()
329 		return ERR_PTR(-ENOMEM);  in sdio_alloc_func()
332 	func->card = card;  in sdio_alloc_func()
334 	device_initialize(&func->dev);  in sdio_alloc_func()
340 	get_device(&func->card->dev);  in sdio_alloc_func()
342 	func->dev.parent = &card->dev;  in sdio_alloc_func()
343 	func->dev.bus = &sdio_bus_type;  in sdio_alloc_func()
344 	func->dev.release = sdio_release_func;  in sdio_alloc_func()
352 	struct mmc_host *host = func->card->host;  in sdio_acpi_set_handle()
353 	u64 addr = ((u64)host->slotno << 16) | func->num;  in sdio_acpi_set_handle()
355 	acpi_preset_companion(&func->dev, ACPI_COMPANION(host->parent), addr);  in sdio_acpi_set_handle()
363 	struct mmc_host *host = func->card->host;  in sdio_set_of_node()
365 	func->dev.of_node = mmc_of_find_child_device(host, func->num);  in sdio_set_of_node()
375 	dev_set_name(&func->dev, "%s:%d", mmc_card_id(func->card), func->num);  in sdio_add_func()
379 	device_enable_async_suspend(&func->dev);  in sdio_add_func()
380 	ret = device_add(&func->dev);  in sdio_add_func()
396 		device_del(&func->dev);  in sdio_remove_func()
398 	of_node_put(func->dev.of_node);  in sdio_remove_func()
399 	put_device(&func->dev);  in sdio_remove_func()