139 				      struct mmc_blk_data *md);
157 	struct mmc_blk_data *md;  in mmc_blk_get()  local
160 	md = disk->private_data;  in mmc_blk_get()
161 	if (md && md->usage == 0)  in mmc_blk_get()
162 		md = NULL;  in mmc_blk_get()
163 	if (md)  in mmc_blk_get()
164 		md->usage++;  in mmc_blk_get()
167 	return md;  in mmc_blk_get()
180 static void mmc_blk_put(struct mmc_blk_data *md)  in mmc_blk_put()  argument
183 	md->usage--;  in mmc_blk_put()
184 	if (md->usage == 0) {  in mmc_blk_put()
185 		int devidx = mmc_get_devidx(md->disk);  in mmc_blk_put()
186 		blk_cleanup_queue(md->queue.queue);  in mmc_blk_put()
190 		put_disk(md->disk);  in mmc_blk_put()
191 		kfree(md);  in mmc_blk_put()
200 	struct mmc_blk_data *md = mmc_blk_get(dev_to_disk(dev));  in power_ro_lock_show()  local
201 	struct mmc_card *card = md->queue.card;  in power_ro_lock_show()
211 	mmc_blk_put(md);  in power_ro_lock_show()
220 	struct mmc_blk_data *md, *part_md;  in power_ro_lock_store()  local
230 	md = mmc_blk_get(dev_to_disk(dev));  in power_ro_lock_store()
231 	card = md->queue.card;  in power_ro_lock_store()
240 …pr_err("%s: Locking boot partition ro until next power on failed: %d\n", md->disk->disk_name, ret);  in power_ro_lock_store()
248 			md->disk->disk_name);  in power_ro_lock_store()
249 		set_disk_ro(md->disk, 1);  in power_ro_lock_store()
251 		list_for_each_entry(part_md, &md->part, part)  in power_ro_lock_store()
258 	mmc_blk_put(md);  in power_ro_lock_store()
266 	struct mmc_blk_data *md = mmc_blk_get(dev_to_disk(dev));  in force_ro_show()  local
270 		       md->read_only);  in force_ro_show()
271 	mmc_blk_put(md);  in force_ro_show()
280 	struct mmc_blk_data *md = mmc_blk_get(dev_to_disk(dev));  in force_ro_store()  local
287 	set_disk_ro(dev_to_disk(dev), set || md->read_only);  in force_ro_store()
290 	mmc_blk_put(md);  in force_ro_store()
296 	struct mmc_blk_data *md = mmc_blk_get(bdev->bd_disk);  in mmc_blk_open()  local
300 	if (md) {  in mmc_blk_open()
301 		if (md->usage == 2)  in mmc_blk_open()
305 		if ((mode & FMODE_WRITE) && md->read_only) {  in mmc_blk_open()
306 			mmc_blk_put(md);  in mmc_blk_open()
317 	struct mmc_blk_data *md = disk->private_data;  in mmc_blk_release()  local
320 	mmc_blk_put(md);  in mmc_blk_release()
451 	struct mmc_blk_data *md;  in mmc_blk_ioctl_cmd()  local
473 	md = mmc_blk_get(bdev->bd_disk);  in mmc_blk_ioctl_cmd()
474 	if (!md) {  in mmc_blk_ioctl_cmd()
479 	if (md->area_type & MMC_BLK_DATA_AREA_RPMB)  in mmc_blk_ioctl_cmd()
482 	card = md->queue.card;  in mmc_blk_ioctl_cmd()
532 	err = mmc_blk_part_switch(card, md);  in mmc_blk_ioctl_cmd()
611 	mmc_blk_put(md);  in mmc_blk_ioctl_cmd()
647 				      struct mmc_blk_data *md)  in mmc_blk_part_switch()  argument
652 	if (main_md->part_curr == md->part_type)  in mmc_blk_part_switch()
659 		part_config |= md->part_type;  in mmc_blk_part_switch()
670 	main_md->part_curr = md->part_type;  in mmc_blk_part_switch()
1000 static int mmc_blk_reset(struct mmc_blk_data *md, struct mmc_host *host,  in mmc_blk_reset()  argument
1005 	if (md->reset_done & type)  in mmc_blk_reset()
1008 	md->reset_done |= type;  in mmc_blk_reset()
1017 		part_err = mmc_blk_part_switch(host->card, md);  in mmc_blk_reset()
1029 static inline void mmc_blk_reset_success(struct mmc_blk_data *md, int type)  in mmc_blk_reset_success()  argument
1031 	md->reset_done &= ~type;  in mmc_blk_reset_success()
1036 	struct mmc_blk_data *md = mq->data;  in mmc_access_rpmb()  local
1040 	if (md && md->part_type == EXT_CSD_PART_CONFIG_ACC_RPMB)  in mmc_access_rpmb()
1048 	struct mmc_blk_data *md = mq->data;  in mmc_blk_issue_discard_rq()  local
1049 	struct mmc_card *card = md->queue.card;  in mmc_blk_issue_discard_rq()
1080 	if (err == -EIO && !mmc_blk_reset(md, card->host, type))  in mmc_blk_issue_discard_rq()
1083 		mmc_blk_reset_success(md, type);  in mmc_blk_issue_discard_rq()
1092 	struct mmc_blk_data *md = mq->data;  in mmc_blk_issue_secdiscard_rq()  local
1093 	struct mmc_card *card = md->queue.card;  in mmc_blk_issue_secdiscard_rq()
1146 	if (err && !mmc_blk_reset(md, card->host, type))  in mmc_blk_issue_secdiscard_rq()
1149 		mmc_blk_reset_success(md, type);  in mmc_blk_issue_secdiscard_rq()
1158 	struct mmc_blk_data *md = mq->data;  in mmc_blk_issue_flush()  local
1159 	struct mmc_card *card = md->queue.card;  in mmc_blk_issue_flush()
1365 	struct mmc_blk_data *md = mq->data;  in mmc_blk_rw_rq_prep()  local
1378 		(md->flags & MMC_BLK_REL_WR);  in mmc_blk_rw_rq_prep()
1480 	if ((md->flags & MMC_BLK_CMD23) && mmc_op_multi(brq->cmd.opcode) &&  in mmc_blk_rw_rq_prep()
1542 	struct mmc_blk_data *md = mq->data;  in mmc_blk_prep_packed_list()  local
1551 	if (!(md->flags & MMC_BLK_PACKED_CMD))  in mmc_blk_prep_packed_list()
1562 	    (md->flags & MMC_BLK_REL_WR) && !en_rel_wr)  in mmc_blk_prep_packed_list()
1611 		    (md->flags & MMC_BLK_REL_WR) && !en_rel_wr)  in mmc_blk_prep_packed_list()
1652 	struct mmc_blk_data *md = mq->data;  in mmc_blk_packed_hdr_wrq_prep()  local
1675 		do_rel_wr = mmc_req_rel_wr(prq) && (md->flags & MMC_BLK_REL_WR);  in mmc_blk_packed_hdr_wrq_prep()
1729 static int mmc_blk_cmd_err(struct mmc_blk_data *md, struct mmc_card *card,  in mmc_blk_cmd_err()  argument
1832 	struct mmc_blk_data *md = mq->data;  in mmc_blk_issue_rw_rq()  local
1833 	struct mmc_card *card = md->queue.card;  in mmc_blk_issue_rw_rq()
1890 			mmc_blk_reset_success(md, type);  in mmc_blk_issue_rw_rq()
1914 			ret = mmc_blk_cmd_err(md, card, brq, req, ret);  in mmc_blk_issue_rw_rq()
1915 			if (mmc_blk_reset(md, card->host, type))  in mmc_blk_issue_rw_rq()
1925 			if (!mmc_blk_reset(md, card->host, type))  in mmc_blk_issue_rw_rq()
1931 			err = mmc_blk_reset(md, card->host, type);  in mmc_blk_issue_rw_rq()
2023 	struct mmc_blk_data *md = mq->data;  in mmc_blk_issue_rq()  local
2024 	struct mmc_card *card = md->queue.card;  in mmc_blk_issue_rq()
2033 	ret = mmc_blk_part_switch(card, md);  in mmc_blk_issue_rq()
2091 	struct mmc_blk_data *md;  in mmc_blk_alloc_req()  local
2099 	md = kzalloc(sizeof(struct mmc_blk_data), GFP_KERNEL);  in mmc_blk_alloc_req()
2100 	if (!md) {  in mmc_blk_alloc_req()
2112 		md->name_idx = find_first_zero_bit(name_use, max_devices);  in mmc_blk_alloc_req()
2113 		__set_bit(md->name_idx, name_use);  in mmc_blk_alloc_req()
2115 		md->name_idx = ((struct mmc_blk_data *)  in mmc_blk_alloc_req()
2118 	md->area_type = area_type;  in mmc_blk_alloc_req()
2124 	md->read_only = mmc_blk_readonly(card);  in mmc_blk_alloc_req()
2126 	md->disk = alloc_disk(perdev_minors);  in mmc_blk_alloc_req()
2127 	if (md->disk == NULL) {  in mmc_blk_alloc_req()
2132 	spin_lock_init(&md->lock);  in mmc_blk_alloc_req()
2133 	INIT_LIST_HEAD(&md->part);  in mmc_blk_alloc_req()
2134 	md->usage = 1;  in mmc_blk_alloc_req()
2136 	ret = mmc_init_queue(&md->queue, card, &md->lock, subname);  in mmc_blk_alloc_req()
2140 	md->queue.issue_fn = mmc_blk_issue_rq;  in mmc_blk_alloc_req()
2141 	md->queue.data = md;  in mmc_blk_alloc_req()
2143 	md->disk->major	= MMC_BLOCK_MAJOR;  in mmc_blk_alloc_req()
2144 	md->disk->first_minor = devidx * perdev_minors;  in mmc_blk_alloc_req()
2145 	md->disk->fops = &mmc_bdops;  in mmc_blk_alloc_req()
2146 	md->disk->private_data = md;  in mmc_blk_alloc_req()
2147 	md->disk->queue = md->queue.queue;  in mmc_blk_alloc_req()
2148 	md->disk->driverfs_dev = parent;  in mmc_blk_alloc_req()
2149 	set_disk_ro(md->disk, md->read_only || default_ro);  in mmc_blk_alloc_req()
2151 		md->disk->flags |= GENHD_FL_NO_PART_SCAN;  in mmc_blk_alloc_req()
2165 	snprintf(md->disk->disk_name, sizeof(md->disk->disk_name),  in mmc_blk_alloc_req()
2166 		 "mmcblk%u%s", md->name_idx, subname ? subname : "");  in mmc_blk_alloc_req()
2169 		blk_queue_logical_block_size(md->queue.queue,  in mmc_blk_alloc_req()
2172 		blk_queue_logical_block_size(md->queue.queue, 512);  in mmc_blk_alloc_req()
2174 	set_capacity(md->disk, size);  in mmc_blk_alloc_req()
2180 			md->flags |= MMC_BLK_CMD23;  in mmc_blk_alloc_req()
2184 	    md->flags & MMC_BLK_CMD23 &&  in mmc_blk_alloc_req()
2187 		md->flags |= MMC_BLK_REL_WR;  in mmc_blk_alloc_req()
2188 		blk_queue_flush(md->queue.queue, REQ_FLUSH | REQ_FUA);  in mmc_blk_alloc_req()
2193 	    (md->flags & MMC_BLK_CMD23) &&  in mmc_blk_alloc_req()
2195 		if (!mmc_packed_init(&md->queue, card))  in mmc_blk_alloc_req()
2196 			md->flags |= MMC_BLK_PACKED_CMD;  in mmc_blk_alloc_req()
2199 	return md;  in mmc_blk_alloc_req()
2202 	put_disk(md->disk);  in mmc_blk_alloc_req()
2204 	kfree(md);  in mmc_blk_alloc_req()
2232 			      struct mmc_blk_data *md,  in mmc_blk_alloc_part()  argument
2242 	part_md = mmc_blk_alloc_req(card, disk_to_dev(md->disk), size, default_ro,  in mmc_blk_alloc_part()
2247 	list_add(&part_md->part, &md->part);  in mmc_blk_alloc_part()
2263 static int mmc_blk_alloc_parts(struct mmc_card *card, struct mmc_blk_data *md)  in mmc_blk_alloc_parts()  argument
2272 			ret = mmc_blk_alloc_part(card, md,  in mmc_blk_alloc_parts()
2286 static void mmc_blk_remove_req(struct mmc_blk_data *md)  in mmc_blk_remove_req()  argument
2290 	if (md) {  in mmc_blk_remove_req()
2296 		card = md->queue.card;  in mmc_blk_remove_req()
2297 		mmc_cleanup_queue(&md->queue);  in mmc_blk_remove_req()
2298 		if (md->flags & MMC_BLK_PACKED_CMD)  in mmc_blk_remove_req()
2299 			mmc_packed_clean(&md->queue);  in mmc_blk_remove_req()
2300 		if (md->disk->flags & GENHD_FL_UP) {  in mmc_blk_remove_req()
2301 			device_remove_file(disk_to_dev(md->disk), &md->force_ro);  in mmc_blk_remove_req()
2302 			if ((md->area_type & MMC_BLK_DATA_AREA_BOOT) &&  in mmc_blk_remove_req()
2304 				device_remove_file(disk_to_dev(md->disk),  in mmc_blk_remove_req()
2305 					&md->power_ro_lock);  in mmc_blk_remove_req()
2307 			del_gendisk(md->disk);  in mmc_blk_remove_req()
2309 		mmc_blk_put(md);  in mmc_blk_remove_req()
2314 				 struct mmc_blk_data *md)  in mmc_blk_remove_parts()  argument
2319 	__clear_bit(md->name_idx, name_use);  in mmc_blk_remove_parts()
2320 	list_for_each_safe(pos, q, &md->part) {  in mmc_blk_remove_parts()
2327 static int mmc_add_disk(struct mmc_blk_data *md)  in mmc_add_disk()  argument
2330 	struct mmc_card *card = md->queue.card;  in mmc_add_disk()
2332 	add_disk(md->disk);  in mmc_add_disk()
2333 	md->force_ro.show = force_ro_show;  in mmc_add_disk()
2334 	md->force_ro.store = force_ro_store;  in mmc_add_disk()
2335 	sysfs_attr_init(&md->force_ro.attr);  in mmc_add_disk()
2336 	md->force_ro.attr.name = "force_ro";  in mmc_add_disk()
2337 	md->force_ro.attr.mode = S_IRUGO | S_IWUSR;  in mmc_add_disk()
2338 	ret = device_create_file(disk_to_dev(md->disk), &md->force_ro);  in mmc_add_disk()
2342 	if ((md->area_type & MMC_BLK_DATA_AREA_BOOT) &&  in mmc_add_disk()
2351 		md->power_ro_lock.show = power_ro_lock_show;  in mmc_add_disk()
2352 		md->power_ro_lock.store = power_ro_lock_store;  in mmc_add_disk()
2353 		sysfs_attr_init(&md->power_ro_lock.attr);  in mmc_add_disk()
2354 		md->power_ro_lock.attr.mode = mode;  in mmc_add_disk()
2355 		md->power_ro_lock.attr.name =  in mmc_add_disk()
2357 		ret = device_create_file(disk_to_dev(md->disk),  in mmc_add_disk()
2358 				&md->power_ro_lock);  in mmc_add_disk()
2365 	device_remove_file(disk_to_dev(md->disk), &md->force_ro);  in mmc_add_disk()
2367 	del_gendisk(md->disk);  in mmc_add_disk()
2440 	struct mmc_blk_data *md, *part_md;  in mmc_blk_probe()  local
2451 	md = mmc_blk_alloc(card);  in mmc_blk_probe()
2452 	if (IS_ERR(md))  in mmc_blk_probe()
2453 		return PTR_ERR(md);  in mmc_blk_probe()
2455 	string_get_size((u64)get_capacity(md->disk), 512, STRING_UNITS_2,  in mmc_blk_probe()
2458 		md->disk->disk_name, mmc_card_id(card), mmc_card_name(card),  in mmc_blk_probe()
2459 		cap_str, md->read_only ? "(ro)" : "");  in mmc_blk_probe()
2461 	if (mmc_blk_alloc_parts(card, md))  in mmc_blk_probe()
2464 	dev_set_drvdata(&card->dev, md);  in mmc_blk_probe()
2466 	if (mmc_add_disk(md))  in mmc_blk_probe()
2469 	list_for_each_entry(part_md, &md->part, part) {  in mmc_blk_probe()
2489 	mmc_blk_remove_parts(card, md);  in mmc_blk_probe()
2490 	mmc_blk_remove_req(md);  in mmc_blk_probe()
2496 	struct mmc_blk_data *md = dev_get_drvdata(&card->dev);  in mmc_blk_remove()  local
2498 	mmc_blk_remove_parts(card, md);  in mmc_blk_remove()
2501 	mmc_blk_part_switch(card, md);  in mmc_blk_remove()
2506 	mmc_blk_remove_req(md);  in mmc_blk_remove()
2513 	struct mmc_blk_data *md = dev_get_drvdata(&card->dev);  in _mmc_blk_suspend()  local
2515 	if (md) {  in _mmc_blk_suspend()
2516 		mmc_queue_suspend(&md->queue);  in _mmc_blk_suspend()
2517 		list_for_each_entry(part_md, &md->part, part) {  in _mmc_blk_suspend()
2540 	struct mmc_blk_data *md = dev_get_drvdata(dev);  in mmc_blk_resume()  local
2542 	if (md) {  in mmc_blk_resume()
2547 		md->part_curr = md->part_type;  in mmc_blk_resume()
2548 		mmc_queue_resume(&md->queue);  in mmc_blk_resume()
2549 		list_for_each_entry(part_md, &md->part, part) {  in mmc_blk_resume()