1 // SPDX-License-Identifier: GPL-2.0
20  * struct firmware - A place for storing firmware and its attribute data.
22  * This holds information about a firmware and its content.
26  * @priv: Firmware loader private fields
27  * @name: Filename
30 struct firmware {  struct
33 	const char *name;  member
58 	return -ENOSYS;  in mount_ubifs()
66 	if (plat->phandlepart.phandle) {  in select_fs_dev()
69 		node = ofnode_get_by_phandle(plat->phandlepart.phandle);  in select_fs_dev()
78 					plat->phandlepart.partition);  in select_fs_dev()
81 				return -ENODEV;  in select_fs_dev()
84 	} else if (plat->mtdpart && plat->ubivol) {  in select_fs_dev()
85 		ret = mount_ubifs(plat->mtdpart, plat->ubivol);  in select_fs_dev()
92 		return -ENODEV;  in select_fs_dev()
102  * _request_firmware_prepare - Prepare firmware struct.
105  * @name: Name of firmware file.
106  * @dbuf: Address of buffer to load firmware into.
113 				    const char *name, void *dbuf,  in _request_firmware_prepare()  argument
116 	if (!name || name[0] == '\0')  in _request_firmware_prepare()
117 		return -EINVAL;  in _request_firmware_prepare()
119 	struct firmware *firmwarep = dev_get_priv(dev);  in _request_firmware_prepare()
122 		return -ENOMEM;  in _request_firmware_prepare()
124 	firmwarep->name = name;  in _request_firmware_prepare()
125 	firmwarep->offset = offset;  in _request_firmware_prepare()
126 	firmwarep->data = dbuf;  in _request_firmware_prepare()
127 	firmwarep->size = size;  in _request_firmware_prepare()
133  * fw_get_filesystem_firmware - load firmware into an allocated buffer.
160 			ret = -ENODEV;  in fw_get_filesystem_firmware()
162 		ret = select_fs_dev(dev->platdata);  in fw_get_filesystem_firmware()
168 	struct firmware *firmwarep = dev_get_priv(dev);  in fw_get_filesystem_firmware()
171 		return -ENOMEM;  in fw_get_filesystem_firmware()
173 	ret = fs_read(firmwarep->name, (ulong)map_to_sysmem(firmwarep->data),  in fw_get_filesystem_firmware()
174 			firmwarep->offset, firmwarep->size, &actread);  in fw_get_filesystem_firmware()
178 		      ret, firmwarep->name, actread, firmwarep->size);  in fw_get_filesystem_firmware()
191  * request_firmware_into_buf - Load firmware into a previously allocated buffer.
193  * @name: Name of firmware file.
194  * @buf: Address of buffer to load firmware into.
198  * The firmware is loaded directly into the buffer pointed to by @buf.
203 			      const char *name,  in request_firmware_into_buf()  argument
209 		return -EINVAL;  in request_firmware_into_buf()
211 	ret = _request_firmware_prepare(dev, name, buf, size, offset);  in request_firmware_into_buf()
225 	fs_loader_path = ofnode_get_chosen_prop("firmware-loader");  in fs_loader_ofdata_to_platdata()
233 			plat = dev->platdata;  in fs_loader_ofdata_to_platdata()
238 				plat->phandlepart.phandle = phandlepart[0];  in fs_loader_ofdata_to_platdata()
239 				plat->phandlepart.partition = phandlepart[1];  in fs_loader_ofdata_to_platdata()
242 			plat->mtdpart = (char *)ofnode_read_string(  in fs_loader_ofdata_to_platdata()
245 			plat->ubivol = (char *)ofnode_read_string(  in fs_loader_ofdata_to_platdata()
259 	{ .compatible = "u-boot,fs-loader"},
264 	.name			= "fs-loader",
270 	.priv_auto_alloc_size	= sizeof(struct firmware),
275 	.name		= "fs-loader",