mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-30 13:58:51 +09:00
![Miquel Raynal](/assets/img/avatar_default.png)
The user might want to trigger the probe of any MTD device, export these functions so they can be called from a command source file. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Acked-by: Jagan Teki <jagan@openedev.com> Reviewed-by: Stefan Roese <sr@denx.de> Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
37 lines
700 B
C
37 lines
700 B
C
// 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_alloc_size = sizeof(struct mtd_info),
|
|
};
|