Linux Audio

Check our new training course

Loading...
v6.13.7
  1// SPDX-License-Identifier: GPL-2.0-only
  2/*
  3 *  linux/drivers/mmc/core/bus.c
  4 *
  5 *  Copyright (C) 2003 Russell King, All Rights Reserved.
  6 *  Copyright (C) 2007 Pierre Ossman
  7 *
  8 *  MMC card bus driver model
  9 */
 10
 11#include <linux/export.h>
 12#include <linux/device.h>
 13#include <linux/err.h>
 14#include <linux/slab.h>
 15#include <linux/stat.h>
 16#include <linux/of.h>
 17#include <linux/pm_runtime.h>
 18#include <linux/sysfs.h>
 19
 20#include <linux/mmc/card.h>
 21#include <linux/mmc/host.h>
 22
 23#include "core.h"
 24#include "card.h"
 25#include "host.h"
 26#include "sdio_cis.h"
 27#include "bus.h"
 28
 29#define to_mmc_driver(d)	container_of(d, struct mmc_driver, drv)
 30
 31static ssize_t type_show(struct device *dev,
 32	struct device_attribute *attr, char *buf)
 33{
 34	struct mmc_card *card = mmc_dev_to_card(dev);
 35
 36	switch (card->type) {
 37	case MMC_TYPE_MMC:
 38		return sysfs_emit(buf, "MMC\n");
 39	case MMC_TYPE_SD:
 40		return sysfs_emit(buf, "SD\n");
 41	case MMC_TYPE_SDIO:
 42		return sysfs_emit(buf, "SDIO\n");
 43	case MMC_TYPE_SD_COMBO:
 44		return sysfs_emit(buf, "SDcombo\n");
 45	default:
 46		return -EFAULT;
 47	}
 48}
 49static DEVICE_ATTR_RO(type);
 50
 51static struct attribute *mmc_dev_attrs[] = {
 52	&dev_attr_type.attr,
 53	NULL,
 54};
 55ATTRIBUTE_GROUPS(mmc_dev);
 56
 57static int
 58mmc_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
 59{
 60	const struct mmc_card *card = mmc_dev_to_card(dev);
 61	const char *type;
 62	unsigned int i;
 63	int retval = 0;
 64
 65	switch (card->type) {
 66	case MMC_TYPE_MMC:
 67		type = "MMC";
 68		break;
 69	case MMC_TYPE_SD:
 70		type = "SD";
 71		break;
 72	case MMC_TYPE_SDIO:
 73		type = "SDIO";
 74		break;
 75	case MMC_TYPE_SD_COMBO:
 76		type = "SDcombo";
 77		break;
 78	default:
 79		type = NULL;
 80	}
 81
 82	if (type) {
 83		retval = add_uevent_var(env, "MMC_TYPE=%s", type);
 84		if (retval)
 85			return retval;
 86	}
 87
 88	if (mmc_card_sdio(card) || mmc_card_sd_combo(card)) {
 89		retval = add_uevent_var(env, "SDIO_ID=%04X:%04X",
 90					card->cis.vendor, card->cis.device);
 91		if (retval)
 92			return retval;
 93
 94		retval = add_uevent_var(env, "SDIO_REVISION=%u.%u",
 95					card->major_rev, card->minor_rev);
 96		if (retval)
 97			return retval;
 98
 99		for (i = 0; i < card->num_info; i++) {
100			retval = add_uevent_var(env, "SDIO_INFO%u=%s", i+1, card->info[i]);
101			if (retval)
102				return retval;
103		}
104	}
105
106	/*
107	 * SDIO (non-combo) cards are not handled by mmc_block driver and do not
108	 * have accessible CID register which used by mmc_card_name() function.
109	 */
110	if (mmc_card_sdio(card))
111		return 0;
112
113	retval = add_uevent_var(env, "MMC_NAME=%s", mmc_card_name(card));
114	if (retval)
115		return retval;
116
117	/*
118	 * Request the mmc_block device.  Note: that this is a direct request
119	 * for the module it carries no information as to what is inserted.
120	 */
121	retval = add_uevent_var(env, "MODALIAS=mmc:block");
122
123	return retval;
124}
125
126static int mmc_bus_probe(struct device *dev)
127{
128	struct mmc_driver *drv = to_mmc_driver(dev->driver);
129	struct mmc_card *card = mmc_dev_to_card(dev);
130
131	return drv->probe(card);
132}
133
134static void mmc_bus_remove(struct device *dev)
135{
136	struct mmc_driver *drv = to_mmc_driver(dev->driver);
137	struct mmc_card *card = mmc_dev_to_card(dev);
138
139	drv->remove(card);
140}
141
142static void mmc_bus_shutdown(struct device *dev)
143{
144	struct mmc_driver *drv = to_mmc_driver(dev->driver);
145	struct mmc_card *card = mmc_dev_to_card(dev);
146	struct mmc_host *host = card->host;
147	int ret;
148
149	if (dev->driver && drv->shutdown)
150		drv->shutdown(card);
151
152	__mmc_stop_host(host);
153
154	if (host->bus_ops->shutdown) {
155		ret = host->bus_ops->shutdown(host);
156		if (ret)
157			pr_warn("%s: error %d during shutdown\n",
158				mmc_hostname(host), ret);
159	}
160}
161
162#ifdef CONFIG_PM_SLEEP
163static int mmc_bus_suspend(struct device *dev)
164{
165	struct mmc_card *card = mmc_dev_to_card(dev);
166	struct mmc_host *host = card->host;
167	int ret;
168
169	ret = pm_generic_suspend(dev);
170	if (ret)
171		return ret;
172
173	ret = host->bus_ops->suspend(host);
174	if (ret)
175		pm_generic_resume(dev);
176
177	return ret;
178}
179
180static int mmc_bus_resume(struct device *dev)
181{
182	struct mmc_card *card = mmc_dev_to_card(dev);
183	struct mmc_host *host = card->host;
184	int ret;
185
186	ret = host->bus_ops->resume(host);
187	if (ret)
188		pr_warn("%s: error %d during resume (card was removed?)\n",
189			mmc_hostname(host), ret);
190
191	ret = pm_generic_resume(dev);
192	return ret;
193}
194#endif
195
196#ifdef CONFIG_PM
197static int mmc_runtime_suspend(struct device *dev)
198{
199	struct mmc_card *card = mmc_dev_to_card(dev);
200	struct mmc_host *host = card->host;
201
202	return host->bus_ops->runtime_suspend(host);
203}
204
205static int mmc_runtime_resume(struct device *dev)
206{
207	struct mmc_card *card = mmc_dev_to_card(dev);
208	struct mmc_host *host = card->host;
209
210	return host->bus_ops->runtime_resume(host);
211}
212#endif /* !CONFIG_PM */
213
214static const struct dev_pm_ops mmc_bus_pm_ops = {
215	SET_RUNTIME_PM_OPS(mmc_runtime_suspend, mmc_runtime_resume, NULL)
216	SET_SYSTEM_SLEEP_PM_OPS(mmc_bus_suspend, mmc_bus_resume)
217};
218
219static const struct bus_type mmc_bus_type = {
220	.name		= "mmc",
221	.dev_groups	= mmc_dev_groups,
222	.uevent		= mmc_bus_uevent,
223	.probe		= mmc_bus_probe,
224	.remove		= mmc_bus_remove,
225	.shutdown	= mmc_bus_shutdown,
226	.pm		= &mmc_bus_pm_ops,
227};
228
229int mmc_register_bus(void)
230{
231	return bus_register(&mmc_bus_type);
232}
233
234void mmc_unregister_bus(void)
235{
236	bus_unregister(&mmc_bus_type);
237}
238
239/**
240 *	mmc_register_driver - register a media driver
241 *	@drv: MMC media driver
242 */
243int mmc_register_driver(struct mmc_driver *drv)
244{
245	drv->drv.bus = &mmc_bus_type;
246	return driver_register(&drv->drv);
247}
248
249EXPORT_SYMBOL(mmc_register_driver);
250
251/**
252 *	mmc_unregister_driver - unregister a media driver
253 *	@drv: MMC media driver
254 */
255void mmc_unregister_driver(struct mmc_driver *drv)
256{
257	drv->drv.bus = &mmc_bus_type;
258	driver_unregister(&drv->drv);
259}
260
261EXPORT_SYMBOL(mmc_unregister_driver);
262
263static void mmc_release_card(struct device *dev)
264{
265	struct mmc_card *card = mmc_dev_to_card(dev);
266
267	sdio_free_common_cis(card);
268
269	kfree(card->info);
270
271	kfree(card);
272}
273
274/*
275 * Allocate and initialise a new MMC card structure.
276 */
277struct mmc_card *mmc_alloc_card(struct mmc_host *host, const struct device_type *type)
278{
279	struct mmc_card *card;
280
281	card = kzalloc(sizeof(struct mmc_card), GFP_KERNEL);
282	if (!card)
283		return ERR_PTR(-ENOMEM);
284
285	card->host = host;
286
287	device_initialize(&card->dev);
288
289	card->dev.parent = mmc_classdev(host);
290	card->dev.bus = &mmc_bus_type;
291	card->dev.release = mmc_release_card;
292	card->dev.type = type;
293
294	return card;
295}
296
297/*
298 * Register a new MMC card with the driver model.
299 */
300int mmc_add_card(struct mmc_card *card)
301{
302	int ret;
303	const char *type;
304	const char *speed_mode = "";
305	const char *uhs_bus_speed_mode = "";
306	static const char *const uhs_speeds[] = {
307		[UHS_SDR12_BUS_SPEED] = "SDR12 ",
308		[UHS_SDR25_BUS_SPEED] = "SDR25 ",
309		[UHS_SDR50_BUS_SPEED] = "SDR50 ",
310		[UHS_SDR104_BUS_SPEED] = "SDR104 ",
311		[UHS_DDR50_BUS_SPEED] = "DDR50 ",
312	};
313
314
315	dev_set_name(&card->dev, "%s:%04x", mmc_hostname(card->host), card->rca);
316	dev_set_removable(&card->dev,
317			  mmc_card_is_removable(card->host) ?
318			  DEVICE_REMOVABLE : DEVICE_FIXED);
319
320	switch (card->type) {
321	case MMC_TYPE_MMC:
322		type = "MMC";
323		break;
324	case MMC_TYPE_SD:
325		type = "SD";
326		if (mmc_card_blockaddr(card)) {
327			if (mmc_card_ult_capacity(card))
328				type = "SDUC";
329			else if (mmc_card_ext_capacity(card))
330				type = "SDXC";
331			else
332				type = "SDHC";
333		}
334		break;
335	case MMC_TYPE_SDIO:
336		type = "SDIO";
337		break;
338	case MMC_TYPE_SD_COMBO:
339		type = "SD-combo";
340		if (mmc_card_blockaddr(card))
341			type = "SDHC-combo";
342		break;
343	default:
344		type = "?";
345		break;
346	}
347
348	if (mmc_card_hs(card))
349		speed_mode = "high speed ";
350	else if (mmc_card_uhs(card))
351		speed_mode = "UHS-I speed ";
352	else if (mmc_card_uhs2(card->host))
353		speed_mode = "UHS-II speed ";
354	else if	(mmc_card_ddr52(card))
355		speed_mode = "high speed DDR ";
356	else if (mmc_card_hs200(card))
357		speed_mode = "HS200 ";
358	else if (mmc_card_hs400es(card))
359		speed_mode = "HS400 Enhanced strobe ";
360	else if (mmc_card_hs400(card))
361		speed_mode = "HS400 ";
362
363	if (mmc_card_uhs(card) &&
364		(card->sd_bus_speed < ARRAY_SIZE(uhs_speeds)))
365		uhs_bus_speed_mode = uhs_speeds[card->sd_bus_speed];
366
367	if (mmc_host_is_spi(card->host))
368		pr_info("%s: new %s%s card on SPI\n",
369			mmc_hostname(card->host), speed_mode, type);
370	else
371		pr_info("%s: new %s%s%s card at address %04x\n",
372			mmc_hostname(card->host), speed_mode,
 
 
 
 
 
 
 
 
 
373			uhs_bus_speed_mode, type, card->rca);
 
374
375	mmc_add_card_debugfs(card);
376	card->dev.of_node = mmc_of_find_child_device(card->host, 0);
377
378	device_enable_async_suspend(&card->dev);
379
380	ret = device_add(&card->dev);
381	if (ret)
382		return ret;
383
384	mmc_card_set_present(card);
385
386	return 0;
387}
388
389/*
390 * Unregister a new MMC card with the driver model, and
391 * (eventually) free it.
392 */
393void mmc_remove_card(struct mmc_card *card)
394{
395	struct mmc_host *host = card->host;
396
397	mmc_remove_card_debugfs(card);
398
399	if (mmc_card_present(card)) {
400		if (mmc_host_is_spi(card->host)) {
401			pr_info("%s: SPI card removed\n",
402				mmc_hostname(card->host));
403		} else {
404			pr_info("%s: card %04x removed\n",
405				mmc_hostname(card->host), card->rca);
406		}
407		device_del(&card->dev);
408		of_node_put(card->dev.of_node);
409	}
410
411	if (host->cqe_enabled) {
412		host->cqe_ops->cqe_disable(host);
413		host->cqe_enabled = false;
414	}
415
416	put_device(&card->dev);
417}
v6.8
  1// SPDX-License-Identifier: GPL-2.0-only
  2/*
  3 *  linux/drivers/mmc/core/bus.c
  4 *
  5 *  Copyright (C) 2003 Russell King, All Rights Reserved.
  6 *  Copyright (C) 2007 Pierre Ossman
  7 *
  8 *  MMC card bus driver model
  9 */
 10
 11#include <linux/export.h>
 12#include <linux/device.h>
 13#include <linux/err.h>
 14#include <linux/slab.h>
 15#include <linux/stat.h>
 16#include <linux/of.h>
 17#include <linux/pm_runtime.h>
 18#include <linux/sysfs.h>
 19
 20#include <linux/mmc/card.h>
 21#include <linux/mmc/host.h>
 22
 23#include "core.h"
 24#include "card.h"
 25#include "host.h"
 26#include "sdio_cis.h"
 27#include "bus.h"
 28
 29#define to_mmc_driver(d)	container_of(d, struct mmc_driver, drv)
 30
 31static ssize_t type_show(struct device *dev,
 32	struct device_attribute *attr, char *buf)
 33{
 34	struct mmc_card *card = mmc_dev_to_card(dev);
 35
 36	switch (card->type) {
 37	case MMC_TYPE_MMC:
 38		return sysfs_emit(buf, "MMC\n");
 39	case MMC_TYPE_SD:
 40		return sysfs_emit(buf, "SD\n");
 41	case MMC_TYPE_SDIO:
 42		return sysfs_emit(buf, "SDIO\n");
 43	case MMC_TYPE_SD_COMBO:
 44		return sysfs_emit(buf, "SDcombo\n");
 45	default:
 46		return -EFAULT;
 47	}
 48}
 49static DEVICE_ATTR_RO(type);
 50
 51static struct attribute *mmc_dev_attrs[] = {
 52	&dev_attr_type.attr,
 53	NULL,
 54};
 55ATTRIBUTE_GROUPS(mmc_dev);
 56
 57static int
 58mmc_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
 59{
 60	const struct mmc_card *card = mmc_dev_to_card(dev);
 61	const char *type;
 62	unsigned int i;
 63	int retval = 0;
 64
 65	switch (card->type) {
 66	case MMC_TYPE_MMC:
 67		type = "MMC";
 68		break;
 69	case MMC_TYPE_SD:
 70		type = "SD";
 71		break;
 72	case MMC_TYPE_SDIO:
 73		type = "SDIO";
 74		break;
 75	case MMC_TYPE_SD_COMBO:
 76		type = "SDcombo";
 77		break;
 78	default:
 79		type = NULL;
 80	}
 81
 82	if (type) {
 83		retval = add_uevent_var(env, "MMC_TYPE=%s", type);
 84		if (retval)
 85			return retval;
 86	}
 87
 88	if (mmc_card_sdio(card) || mmc_card_sd_combo(card)) {
 89		retval = add_uevent_var(env, "SDIO_ID=%04X:%04X",
 90					card->cis.vendor, card->cis.device);
 91		if (retval)
 92			return retval;
 93
 94		retval = add_uevent_var(env, "SDIO_REVISION=%u.%u",
 95					card->major_rev, card->minor_rev);
 96		if (retval)
 97			return retval;
 98
 99		for (i = 0; i < card->num_info; i++) {
100			retval = add_uevent_var(env, "SDIO_INFO%u=%s", i+1, card->info[i]);
101			if (retval)
102				return retval;
103		}
104	}
105
106	/*
107	 * SDIO (non-combo) cards are not handled by mmc_block driver and do not
108	 * have accessible CID register which used by mmc_card_name() function.
109	 */
110	if (mmc_card_sdio(card))
111		return 0;
112
113	retval = add_uevent_var(env, "MMC_NAME=%s", mmc_card_name(card));
114	if (retval)
115		return retval;
116
117	/*
118	 * Request the mmc_block device.  Note: that this is a direct request
119	 * for the module it carries no information as to what is inserted.
120	 */
121	retval = add_uevent_var(env, "MODALIAS=mmc:block");
122
123	return retval;
124}
125
126static int mmc_bus_probe(struct device *dev)
127{
128	struct mmc_driver *drv = to_mmc_driver(dev->driver);
129	struct mmc_card *card = mmc_dev_to_card(dev);
130
131	return drv->probe(card);
132}
133
134static void mmc_bus_remove(struct device *dev)
135{
136	struct mmc_driver *drv = to_mmc_driver(dev->driver);
137	struct mmc_card *card = mmc_dev_to_card(dev);
138
139	drv->remove(card);
140}
141
142static void mmc_bus_shutdown(struct device *dev)
143{
144	struct mmc_driver *drv = to_mmc_driver(dev->driver);
145	struct mmc_card *card = mmc_dev_to_card(dev);
146	struct mmc_host *host = card->host;
147	int ret;
148
149	if (dev->driver && drv->shutdown)
150		drv->shutdown(card);
151
 
 
152	if (host->bus_ops->shutdown) {
153		ret = host->bus_ops->shutdown(host);
154		if (ret)
155			pr_warn("%s: error %d during shutdown\n",
156				mmc_hostname(host), ret);
157	}
158}
159
160#ifdef CONFIG_PM_SLEEP
161static int mmc_bus_suspend(struct device *dev)
162{
163	struct mmc_card *card = mmc_dev_to_card(dev);
164	struct mmc_host *host = card->host;
165	int ret;
166
167	ret = pm_generic_suspend(dev);
168	if (ret)
169		return ret;
170
171	ret = host->bus_ops->suspend(host);
172	if (ret)
173		pm_generic_resume(dev);
174
175	return ret;
176}
177
178static int mmc_bus_resume(struct device *dev)
179{
180	struct mmc_card *card = mmc_dev_to_card(dev);
181	struct mmc_host *host = card->host;
182	int ret;
183
184	ret = host->bus_ops->resume(host);
185	if (ret)
186		pr_warn("%s: error %d during resume (card was removed?)\n",
187			mmc_hostname(host), ret);
188
189	ret = pm_generic_resume(dev);
190	return ret;
191}
192#endif
193
194#ifdef CONFIG_PM
195static int mmc_runtime_suspend(struct device *dev)
196{
197	struct mmc_card *card = mmc_dev_to_card(dev);
198	struct mmc_host *host = card->host;
199
200	return host->bus_ops->runtime_suspend(host);
201}
202
203static int mmc_runtime_resume(struct device *dev)
204{
205	struct mmc_card *card = mmc_dev_to_card(dev);
206	struct mmc_host *host = card->host;
207
208	return host->bus_ops->runtime_resume(host);
209}
210#endif /* !CONFIG_PM */
211
212static const struct dev_pm_ops mmc_bus_pm_ops = {
213	SET_RUNTIME_PM_OPS(mmc_runtime_suspend, mmc_runtime_resume, NULL)
214	SET_SYSTEM_SLEEP_PM_OPS(mmc_bus_suspend, mmc_bus_resume)
215};
216
217static struct bus_type mmc_bus_type = {
218	.name		= "mmc",
219	.dev_groups	= mmc_dev_groups,
220	.uevent		= mmc_bus_uevent,
221	.probe		= mmc_bus_probe,
222	.remove		= mmc_bus_remove,
223	.shutdown	= mmc_bus_shutdown,
224	.pm		= &mmc_bus_pm_ops,
225};
226
227int mmc_register_bus(void)
228{
229	return bus_register(&mmc_bus_type);
230}
231
232void mmc_unregister_bus(void)
233{
234	bus_unregister(&mmc_bus_type);
235}
236
237/**
238 *	mmc_register_driver - register a media driver
239 *	@drv: MMC media driver
240 */
241int mmc_register_driver(struct mmc_driver *drv)
242{
243	drv->drv.bus = &mmc_bus_type;
244	return driver_register(&drv->drv);
245}
246
247EXPORT_SYMBOL(mmc_register_driver);
248
249/**
250 *	mmc_unregister_driver - unregister a media driver
251 *	@drv: MMC media driver
252 */
253void mmc_unregister_driver(struct mmc_driver *drv)
254{
255	drv->drv.bus = &mmc_bus_type;
256	driver_unregister(&drv->drv);
257}
258
259EXPORT_SYMBOL(mmc_unregister_driver);
260
261static void mmc_release_card(struct device *dev)
262{
263	struct mmc_card *card = mmc_dev_to_card(dev);
264
265	sdio_free_common_cis(card);
266
267	kfree(card->info);
268
269	kfree(card);
270}
271
272/*
273 * Allocate and initialise a new MMC card structure.
274 */
275struct mmc_card *mmc_alloc_card(struct mmc_host *host, struct device_type *type)
276{
277	struct mmc_card *card;
278
279	card = kzalloc(sizeof(struct mmc_card), GFP_KERNEL);
280	if (!card)
281		return ERR_PTR(-ENOMEM);
282
283	card->host = host;
284
285	device_initialize(&card->dev);
286
287	card->dev.parent = mmc_classdev(host);
288	card->dev.bus = &mmc_bus_type;
289	card->dev.release = mmc_release_card;
290	card->dev.type = type;
291
292	return card;
293}
294
295/*
296 * Register a new MMC card with the driver model.
297 */
298int mmc_add_card(struct mmc_card *card)
299{
300	int ret;
301	const char *type;
 
302	const char *uhs_bus_speed_mode = "";
303	static const char *const uhs_speeds[] = {
304		[UHS_SDR12_BUS_SPEED] = "SDR12 ",
305		[UHS_SDR25_BUS_SPEED] = "SDR25 ",
306		[UHS_SDR50_BUS_SPEED] = "SDR50 ",
307		[UHS_SDR104_BUS_SPEED] = "SDR104 ",
308		[UHS_DDR50_BUS_SPEED] = "DDR50 ",
309	};
310
311
312	dev_set_name(&card->dev, "%s:%04x", mmc_hostname(card->host), card->rca);
313	dev_set_removable(&card->dev,
314			  mmc_card_is_removable(card->host) ?
315			  DEVICE_REMOVABLE : DEVICE_FIXED);
316
317	switch (card->type) {
318	case MMC_TYPE_MMC:
319		type = "MMC";
320		break;
321	case MMC_TYPE_SD:
322		type = "SD";
323		if (mmc_card_blockaddr(card)) {
324			if (mmc_card_ext_capacity(card))
 
 
325				type = "SDXC";
326			else
327				type = "SDHC";
328		}
329		break;
330	case MMC_TYPE_SDIO:
331		type = "SDIO";
332		break;
333	case MMC_TYPE_SD_COMBO:
334		type = "SD-combo";
335		if (mmc_card_blockaddr(card))
336			type = "SDHC-combo";
337		break;
338	default:
339		type = "?";
340		break;
341	}
342
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
343	if (mmc_card_uhs(card) &&
344		(card->sd_bus_speed < ARRAY_SIZE(uhs_speeds)))
345		uhs_bus_speed_mode = uhs_speeds[card->sd_bus_speed];
346
347	if (mmc_host_is_spi(card->host)) {
348		pr_info("%s: new %s%s%s card on SPI\n",
349			mmc_hostname(card->host),
350			mmc_card_hs(card) ? "high speed " : "",
351			mmc_card_ddr52(card) ? "DDR " : "",
352			type);
353	} else {
354		pr_info("%s: new %s%s%s%s%s%s card at address %04x\n",
355			mmc_hostname(card->host),
356			mmc_card_uhs(card) ? "ultra high speed " :
357			(mmc_card_hs(card) ? "high speed " : ""),
358			mmc_card_hs400(card) ? "HS400 " :
359			(mmc_card_hs200(card) ? "HS200 " : ""),
360			mmc_card_hs400es(card) ? "Enhanced strobe " : "",
361			mmc_card_ddr52(card) ? "DDR " : "",
362			uhs_bus_speed_mode, type, card->rca);
363	}
364
365	mmc_add_card_debugfs(card);
366	card->dev.of_node = mmc_of_find_child_device(card->host, 0);
367
368	device_enable_async_suspend(&card->dev);
369
370	ret = device_add(&card->dev);
371	if (ret)
372		return ret;
373
374	mmc_card_set_present(card);
375
376	return 0;
377}
378
379/*
380 * Unregister a new MMC card with the driver model, and
381 * (eventually) free it.
382 */
383void mmc_remove_card(struct mmc_card *card)
384{
385	struct mmc_host *host = card->host;
386
387	mmc_remove_card_debugfs(card);
388
389	if (mmc_card_present(card)) {
390		if (mmc_host_is_spi(card->host)) {
391			pr_info("%s: SPI card removed\n",
392				mmc_hostname(card->host));
393		} else {
394			pr_info("%s: card %04x removed\n",
395				mmc_hostname(card->host), card->rca);
396		}
397		device_del(&card->dev);
398		of_node_put(card->dev.of_node);
399	}
400
401	if (host->cqe_enabled) {
402		host->cqe_ops->cqe_disable(host);
403		host->cqe_enabled = false;
404	}
405
406	put_device(&card->dev);
407}