summaryrefslogtreecommitdiffstats
path: root/drivers/spi/spi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/spi/spi.c')
-rw-r--r--drivers/spi/spi.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
new file mode 100644
index 0000000000..cb36c5e6eb
--- /dev/null
+++ b/drivers/spi/spi.c
@@ -0,0 +1,39 @@
+/*
+ * 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;
+}
OpenPOWER on IntegriCloud