mmc: mmc_spi: Convert to use SPDX identifier

// SPDX-License-Identifier: GPL-2.0-or-later

/*

 * mmc_spi.c - Access SD/MMC cards through SPI master controllers

 * Access SD/MMC cards through SPI master controllers

 *

 * (C) Copyright 2005, Intec Automation,

 *		Mike Lavender (mike@steroidmicros)

 *		Hans-Peter Nilsson (hp@axis.com)

 * (C) Copyright 2007, ATRON electronic GmbH,

 *		Jan Nikitenko <jan.nikitenko@gmail.com>

 *

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 */

#include <linux/sched.h>

#include <linux/delay.h>

// SPDX-License-Identifier: GPL-2.0-or-later

/*

 * OpenFirmware bindings for the MMC-over-SPI driver

 *

 * Copyright (c) MontaVista Software, Inc. 2008.

 *

 * Author: Anton Vorontsov <avorontsov@ru.mvista.com>

 *

 * This program is free software; you can redistribute  it and/or modify it

 * under  the terms of  the GNU General  Public License as published by the

 * Free Software Foundation;  either version 2 of the  License, or (at your

 * option) any later version.

 */

#include <linux/kernel.h>