[u-boot.git] / drivers / mtd / mtd-uclass.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2015 Thomas Chou <[email protected]>
 */

#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),
};
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
d8587993 TC	2	/*
d8587993 TC	3	* Copyright (C) 2015 Thomas Chou <[email protected]>
d8587993 TC	4	*/
	5
	6	#include <common.h>
	7	#include <dm.h>
e9f62db6	8	#include <dm/device-internal.h>
d8587993 TC	9	#include <errno.h>
	10	#include <mtd.h>
	11
e9f62db6 MR	12	/**
	13	* mtd_probe - Probe the device @dev if not already done
	14	*
	15	* @dev: U-Boot device to probe
	16	*
	17	* @return 0 on success, an error otherwise.
	18	*/
	19	int mtd_probe(struct udevice *dev)
	20	{
	21	if (device_active(dev))
	22	return 0;
	23
	24	return device_probe(dev);
	25	}
	26
d8587993 TC	27	/*
	28	* Implement a MTD uclass which should include most flash drivers.
	29	* The uclass private is pointed to mtd_info.
	30	*/
	31
	32	UCLASS_DRIVER(mtd) = {
	33	.id = UCLASS_MTD,
	34	.name = "mtd",
41575d8e	35	.per_device_auto = sizeof(struct mtd_info),
d8587993	36	};