summaryrefslogtreecommitdiffstats
path: root/kernel/drivers/staging/gdm724x/gdm_endian.c
diff options
context:
space:
mode:
authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-11 10:41:07 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-13 08:17:18 +0300
commite09b41010ba33a20a87472ee821fa407a5b8da36 (patch)
treed10dc367189862e7ca5c592f033dc3726e1df4e3 /kernel/drivers/staging/gdm724x/gdm_endian.c
parentf93b97fd65072de626c074dbe099a1fff05ce060 (diff)
These changes are the raw update to linux-4.4.6-rt14. Kernel sources
are taken from kernel.org, and rt patch from the rt wiki download page. During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/drivers/staging/gdm724x/gdm_endian.c')
-rw-r--r--kernel/drivers/staging/gdm724x/gdm_endian.c46
1 files changed, 17 insertions, 29 deletions
diff --git a/kernel/drivers/staging/gdm724x/gdm_endian.c b/kernel/drivers/staging/gdm724x/gdm_endian.c
index f6cc90ae9..d7144e7af 100644
--- a/kernel/drivers/staging/gdm724x/gdm_endian.c
+++ b/kernel/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);
}