diff options
Diffstat (limited to 'drivers/staging/gdm724x/gdm_endian.c')
| -rw-r--r-- | drivers/staging/gdm724x/gdm_endian.c | 46 |
1 files changed, 17 insertions, 29 deletions
diff --git a/drivers/staging/gdm724x/gdm_endian.c b/drivers/staging/gdm724x/gdm_endian.c index f6cc90ae9..d7144e7af 100644 --- a/drivers/staging/gdm724x/gdm_endian.c +++ b/drivers/staging/gdm724x/gdm_endian.c @@ -11,57 +11,45 @@ * GNU General Public License for more details. */ -#include <linux/slab.h> +#include <linux/kernel.h> #include "gdm_endian.h" void gdm_set_endian(struct gdm_endian *ed, u8 dev_endian) { - u8 a[2] = {0x12, 0x34}; - u8 b[2] = {0, }; - u16 c = 0x1234; - if (dev_endian == ENDIANNESS_BIG) ed->dev_ed = ENDIANNESS_BIG; else ed->dev_ed = ENDIANNESS_LITTLE; - - memcpy(b, &c, 2); - - if (a[0] != b[0]) - ed->host_ed = ENDIANNESS_LITTLE; - else - ed->host_ed = ENDIANNESS_BIG; - } u16 gdm_cpu_to_dev16(struct gdm_endian *ed, u16 x) { - if (ed->dev_ed == ed->host_ed) - return x; - - return Endian16_Swap(x); + if (ed->dev_ed == ENDIANNESS_LITTLE) + return cpu_to_le16(x); + else + return cpu_to_be16(x); } u16 gdm_dev16_to_cpu(struct gdm_endian *ed, u16 x) { - if (ed->dev_ed == ed->host_ed) - return x; - - return Endian16_Swap(x); + if (ed->dev_ed == ENDIANNESS_LITTLE) + return le16_to_cpu(x); + else + return be16_to_cpu(x); } u32 gdm_cpu_to_dev32(struct gdm_endian *ed, u32 x) { - if (ed->dev_ed == ed->host_ed) - return x; - - return Endian32_Swap(x); + if (ed->dev_ed == ENDIANNESS_LITTLE) + return cpu_to_le32(x); + else + return cpu_to_be32(x); } u32 gdm_dev32_to_cpu(struct gdm_endian *ed, u32 x) { - if (ed->dev_ed == ed->host_ed) - return x; - - return Endian32_Swap(x); + if (ed->dev_ed == ENDIANNESS_LITTLE) + return le32_to_cpu(x); + else + return be32_to_cpu(x); } |