xref: /openbmc/u-boot/drivers/spi/spi.c (revision 68fbc0e6)
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