1 /* 2 * Copyright (c) 2011 The Chromium OS Authors. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License as 6 * published by the Free Software Foundation; either version 2 of 7 * the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but without any warranty; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 17 * MA 02111-1307 USA 18 */ 19 20 #include <common.h> 21 #include <malloc.h> 22 #include <spi.h> 23 24 void *spi_do_alloc_slave(int offset, int size, unsigned int bus, 25 unsigned int cs) 26 { 27 struct spi_slave *slave; 28 void *ptr; 29 30 ptr = malloc(size); 31 if (ptr) { 32 memset(ptr, '\0', size); 33 slave = (struct spi_slave *)(ptr + offset); 34 slave->bus = bus; 35 slave->cs = cs; 36 } 37 38 return ptr; 39 } 40