uboot-vybrid_public/drivers/spi/spi.c

/*
 * Copyright (c) 2011 The Chromium OS Authors.
 *
 * 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., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <malloc.h>
#include <spi.h>

void *spi_do_alloc_slave(int offset, int size, unsigned int bus,
			 unsigned int cs)
{
	struct spi_slave *slave;
	void *ptr;

	ptr = malloc(size);
	if (ptr) {
		memset(ptr, '\0', size);
		slave = (struct spi_slave *)(ptr + offset);
		slave->bus = bus;
		slave->cs = cs;
	}

	return ptr;
}