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| /*
| * 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)
| {
| 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;
| }
|
|
