drivers/spi/spi.c

   1 /*
   2  * Copyright (c) 2011 The Chromium OS Authors.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <malloc.h>
   9 #include <spi.h>
  10
  11 void *spi_do_alloc_slave(int offset, int size, unsigned int bus,
  12                          unsigned int cs)
  13 {
  14         struct spi_slave *slave;
  15         void *ptr;
  16
  17         ptr = malloc(size);
  18         if (ptr) {
  19                 memset(ptr, '\0', size);
  20                 slave = (struct spi_slave *)(ptr + offset);
  21                 slave->bus = bus;
  22                 slave->cs = cs;
  23         }
  24
  25         return ptr;
  26 }