LXR uboot/drivers/spi/spi.c

   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
  24void *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