Consolidate asm/poll.h

These files are almost all the same.

This patch could be made even simpler if we don't mind POLLREMOVE turning
up in a few architectures that didn't have it previously (which should be
OK as POLLREMOVE is not used anywhere in the current tree).

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 38 insertions, 0 deletions

diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild
index fa14f8cd30c5..5bfeef761649 100644
--- a/include/asm-generic/Kbuild
+++ b/include/asm-generic/Kbuild
@@ -4,6 +4,7 @@ header-y += fcntl.h
 header-y += ioctl.h
 header-y += ipc.h
 header-y += mman.h
+header-y += poll.h
 header-y += signal.h
 header-y += statfs.h
 
diff --git a/include/asm-generic/poll.h b/include/asm-generic/poll.h
new file mode 100644
index 000000000000..44bce836d350
--- /dev/null
+++ b/include/asm-generic/poll.h
@@ -0,0 +1,37 @@
+#ifndef __ASM_GENERIC_POLL_H
+#define __ASM_GENERIC_POLL_H
+
+/* These are specified by iBCS2 */
+#define POLLIN          0x0001
+#define POLLPRI         0x0002
+#define POLLOUT         0x0004
+#define POLLERR         0x0008
+#define POLLHUP         0x0010
+#define POLLNVAL        0x0020
+
+/* The rest seem to be more-or-less nonstandard. Check them! */
+#define POLLRDNORM      0x0040
+#define POLLRDBAND      0x0080
+#ifndef POLLWRNORM
+#define POLLWRNORM      0x0100
+#endif
+#ifndef POLLWRBAND
+#define POLLWRBAND      0x0200
+#endif
+#ifndef POLLMSG
+#define POLLMSG         0x0400
+#endif
+#ifndef POLLREMOVE
+#define POLLREMOVE      0x1000
+#endif
+#ifndef POLLRDHUP
+#define POLLRDHUP       0x2000
+#endif
+
+struct pollfd {
+        int fd;
+        short events;
+        short revents;
+};
+
+#endif  /* __ASM_GENERIC_POLL_H */