| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2015 Thomas Chou <thomas@wytron.com.tw> |
| */ |
| |
| #include <common.h> |
| #include <dm.h> |
| #include <dm/device-internal.h> |
| #include <errno.h> |
| #include <mtd.h> |
| |
| /** |
| * mtd_probe - Probe the device @dev if not already done |
| * |
| * @dev: U-Boot device to probe |
| * |
| * @return 0 on success, an error otherwise. |
| */ |
| int mtd_probe(struct udevice *dev) |
| { |
| if (device_active(dev)) |
| return 0; |
| |
| return device_probe(dev); |
| } |
| |
| /* |
| * Implement a MTD uclass which should include most flash drivers. |
| * The uclass private is pointed to mtd_info. |
| */ |
| |
| UCLASS_DRIVER(mtd) = { |
| .id = UCLASS_MTD, |
| .name = "mtd", |
| .per_device_auto = sizeof(struct mtd_info), |
| }; |