tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#include <asm/byteorder.h>
2
3#ifndef CONFIG_MTD_CFI_ADV_OPTIONS
4
5#define CFI_HOST_ENDIAN
6
7#else
8
9#ifdef CONFIG_MTD_CFI_NOSWAP
10#define CFI_HOST_ENDIAN
11#endif
12
13#ifdef CONFIG_MTD_CFI_LE_BYTE_SWAP
14#define CFI_LITTLE_ENDIAN
15#endif
16
17#ifdef CONFIG_MTD_CFI_BE_BYTE_SWAP
18#define CFI_BIG_ENDIAN
19#endif
20
21#endif
22
23#if defined(CFI_LITTLE_ENDIAN)
24#define cpu_to_cfi8(x) (x)
25#define cfi8_to_cpu(x) (x)
26#define cpu_to_cfi16(x) cpu_to_le16(x)
27#define cpu_to_cfi32(x) cpu_to_le32(x)
28#define cpu_to_cfi64(x) cpu_to_le64(x)
29#define cfi16_to_cpu(x) le16_to_cpu(x)
30#define cfi32_to_cpu(x) le32_to_cpu(x)
31#define cfi64_to_cpu(x) le64_to_cpu(x)
32#elif defined (CFI_BIG_ENDIAN)
33#define cpu_to_cfi8(x) (x)
34#define cfi8_to_cpu(x) (x)
35#define cpu_to_cfi16(x) cpu_to_be16(x)
36#define cpu_to_cfi32(x) cpu_to_be32(x)
37#define cpu_to_cfi64(x) cpu_to_be64(x)
38#define cfi16_to_cpu(x) be16_to_cpu(x)
39#define cfi32_to_cpu(x) be32_to_cpu(x)
40#define cfi64_to_cpu(x) be64_to_cpu(x)
41#elif defined (CFI_HOST_ENDIAN)
42#define cpu_to_cfi8(x) (x)
43#define cfi8_to_cpu(x) (x)
44#define cpu_to_cfi16(x) (x)
45#define cpu_to_cfi32(x) (x)
46#define cpu_to_cfi64(x) (x)
47#define cfi16_to_cpu(x) (x)
48#define cfi32_to_cpu(x) (x)
49#define cfi64_to_cpu(x) (x)
50#else
51#error No CFI endianness defined
52#endif