blob: 45e73d28e40a8f6adc45712f839274ef34c9e68d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/*
* 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;
}
|
