aboutsummaryrefslogtreecommitdiffstats
path: root/arch/m68k/include/uapi/asm/swab.h
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@redhat.com>2012-11-28 07:22:38 -0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-11-28 07:22:38 -0200
commitd033a308d81ec83908760a15a841c2bd0d5e0ea3 (patch)
tree647abd67987fe4d7fee80105fc823edf3f53b4f6 /arch/m68k/include/uapi/asm/swab.h
parent[media] dma-mapping: fix dma_common_get_sgtable() conditional compilation (diff)
parentMerge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media (diff)
downloadlinux-dev-d033a308d81ec83908760a15a841c2bd0d5e0ea3.tar.xz
linux-dev-d033a308d81ec83908760a15a841c2bd0d5e0ea3.zip
Merge remote-tracking branch 'linus/master' into staging/for_v3.8
* linus/master: (1428 commits) futex: avoid wake_futex() for a PI futex_q watchdog: using u64 in get_sample_period() writeback: put unused inodes to LRU after writeback completion mm: vmscan: check for fatal signals iff the process was throttled Revert "mm: remove __GFP_NO_KSWAPD" proc: check vma->vm_file before dereferencing UAPI: strip the _UAPI prefix from header guards during header installation include/linux/bug.h: fix sparse warning related to BUILD_BUG_ON_INVALID Linux 3.7-rc7 powerpc/eeh: Do not invalidate PE properly ALSA: hda - Fix build without CONFIG_PM of/address: sparc: Declare of_iomap as an extern function for sparc again PM / QoS: fix wrong error-checking condition bnx2x: remove redundant warning log vxlan: fix command usage in its doc 8139cp: revert "set ring address before enabling receiver" MPI: Fix compilation on MIPS with GCC 4.4 and newer MIPS: Fix crash that occurs when function tracing is enabled MIPS: Merge overlapping bootmem ranges jbd: Fix lock ordering bug in journal_unmap_buffer() ...
Diffstat (limited to 'arch/m68k/include/uapi/asm/swab.h')
-rw-r--r--arch/m68k/include/uapi/asm/swab.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/m68k/include/uapi/asm/swab.h b/arch/m68k/include/uapi/asm/swab.h
new file mode 100644
index 000000000000..b7b37a40defc
--- /dev/null
+++ b/arch/m68k/include/uapi/asm/swab.h
@@ -0,0 +1,27 @@
+#ifndef _M68K_SWAB_H
+#define _M68K_SWAB_H
+
+#include <linux/types.h>
+#include <linux/compiler.h>
+
+#define __SWAB_64_THRU_32__
+
+#if defined (__mcfisaaplus__) || defined (__mcfisac__)
+static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
+{
+ __asm__("byterev %0" : "=d" (val) : "0" (val));
+ return val;
+}
+
+#define __arch_swab32 __arch_swab32
+#elif !defined(__mcoldfire__)
+
+static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
+{
+ __asm__("rolw #8,%0; swap %0; rolw #8,%0" : "=d" (val) : "0" (val));
+ return val;
+}
+#define __arch_swab32 __arch_swab32
+#endif
+
+#endif /* _M68K_SWAB_H */