+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2011 The Chromium OS Authors.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <fdtdec.h>
#include <malloc.h>
#include <spi.h>
+int spi_set_wordlen(struct spi_slave *slave, unsigned int wordlen)
+{
+ if (wordlen == 0 || wordlen > 32) {
+ printf("spi: invalid wordlen %u\n", wordlen);
+ return -1;
+ }
+
+ slave->wordlen = wordlen;
+
+ return 0;
+}
+
void *spi_do_alloc_slave(int offset, int size, unsigned int bus,
unsigned int cs)
{
- struct spi_slave *slave;
- void *ptr;
+ u8 *ptr;
ptr = malloc(size);
if (ptr) {
+ struct spi_slave *slave;
+
memset(ptr, '\0', size);
slave = (struct spi_slave *)(ptr + offset);
slave->bus = bus;
slave->cs = cs;
+ slave->wordlen = SPI_DEFAULT_WORDLEN;
}
return ptr;