1 // SPDX-License-Identifier: GPL-2.0-only
4  * Copyright 2005-2006 Fen Systems Ltd.
5  * Copyright 2006-2013 Solarflare Communications Inc.
9 #include <linux/mtd/mtd.h>
16 #define to_ef4_mtd_partition(mtd)				\  argument
17 	container_of(mtd, struct ef4_mtd_partition, mtd)
19 /* MTD interface */
21 static int ef4_mtd_erase(struct mtd_info *mtd, struct erase_info *erase)  in ef4_mtd_erase()  argument
23 	struct ef4_nic *efx = mtd->priv;  in ef4_mtd_erase()
25 	return efx->type->mtd_erase(mtd, erase->addr, erase->len);  in ef4_mtd_erase()
28 static void ef4_mtd_sync(struct mtd_info *mtd)  in ef4_mtd_sync()  argument
30 	struct ef4_mtd_partition *part = to_ef4_mtd_partition(mtd);  in ef4_mtd_sync()
31 	struct ef4_nic *efx = mtd->priv;  in ef4_mtd_sync()
34 	rc = efx->type->mtd_sync(mtd);  in ef4_mtd_sync()
37 		       part->name, part->dev_type_name, rc);  in ef4_mtd_sync()
45 		rc = mtd_device_unregister(&part->mtd);  in ef4_mtd_remove_partition()
46 		if (rc != -EBUSY)  in ef4_mtd_remove_partition()
51 	list_del(&part->node);  in ef4_mtd_remove_partition()
64 		part->mtd.writesize = 1;  in ef4_mtd_add()
66 		part->mtd.owner = THIS_MODULE;  in ef4_mtd_add()
67 		part->mtd.priv = efx;  in ef4_mtd_add()
68 		part->mtd.name = part->name;  in ef4_mtd_add()
69 		part->mtd._erase = ef4_mtd_erase;  in ef4_mtd_add()
70 		part->mtd._read = efx->type->mtd_read;  in ef4_mtd_add()
71 		part->mtd._write = efx->type->mtd_write;  in ef4_mtd_add()
72 		part->mtd._sync = ef4_mtd_sync;  in ef4_mtd_add()
74 		efx->type->mtd_rename(part);  in ef4_mtd_add()
76 		if (mtd_device_register(&part->mtd, NULL, 0))  in ef4_mtd_add()
79 		/* Add to list in order - ef4_mtd_remove() depends on this */  in ef4_mtd_add()
80 		list_add_tail(&part->node, &efx->mtd_list);  in ef4_mtd_add()
86 	while (i--) {  in ef4_mtd_add()
92 	return -ENOMEM;  in ef4_mtd_add()
101 	if (list_empty(&efx->mtd_list))  in ef4_mtd_remove()
104 	parts = list_first_entry(&efx->mtd_list, struct ef4_mtd_partition,  in ef4_mtd_remove()
107 	list_for_each_entry_safe(part, next, &efx->mtd_list, node)  in ef4_mtd_remove()
119 	list_for_each_entry(part, &efx->mtd_list, node)  in ef4_mtd_rename()
120 		efx->type->mtd_rename(part);  in ef4_mtd_rename()