Merge branch 'poll' into staging/for_v3.4

* poll: (5970 commits)
  poll: add poll_requested_events() and poll_does_not_wait() functions
  crc32: select an algorithm via Kconfig
  crc32: add self-test code for crc32c
  crypto: crc32c should use library implementation
  crc32: bolt on crc32c
  crc32: add note about this patchset to crc32.c
  crc32: optimize loop counter for x86
  crc32: add slice-by-8 algorithm to existing code
  crc32: make CRC_*_BITS definition correspond to actual bit counts
  crc32: fix mixing of endian-specific types
  crc32: miscellaneous cleanups
  crc32: simplify unit test code
  crc32: move long comment about crc32 fundamentals to Documentation/
  crc32: remove two instances of trailing whitespaces
  checkpatch: check for quoted strings broken across lines
  checkpatch: whitespace - add/remove blank lines
  checkpatch: warn on use of yield()
  checkpatch: add --strict tests for braces, comments and casts
  checkpatch: add [] to type extensions
  checkpatch: high precedence operators do not require additional parentheses in #defines
  ...

1 files changed, 70 insertions, 0 deletions

diff --git a/drivers/staging/ozwpan/ozeltbuf.h b/drivers/staging/ozwpan/ozeltbuf.h
new file mode 100644
index 0000000..03c12f5
--- /dev/null
+++ b/drivers/staging/ozwpan/ozeltbuf.h
@@ -0,0 +1,70 @@
+/* -----------------------------------------------------------------------------
+ * Copyright (c) 2011 Ozmo Inc
+ * Released under the GNU General Public License Version 2 (GPLv2).
+ * -----------------------------------------------------------------------------
+ */
+#ifndef _OZELTBUF_H
+#define _OZELTBUF_H
+
+#include "ozprotocol.h"
+
+/*-----------------------------------------------------------------------------
+ */
+struct oz_pd;
+typedef void (*oz_elt_callback_t)(struct oz_pd *pd, long context);
+
+struct oz_elt_stream {
+	struct list_head link;
+	struct list_head elt_list;
+	atomic_t ref_count;
+	unsigned buf_count;
+	unsigned max_buf_count;
+	u8 frame_number;
+	u8 id;
+};
+
+#define OZ_MAX_ELT_PAYLOAD	255
+struct oz_elt_info {
+	struct list_head link;
+	struct list_head link_order;
+	u8 flags;
+	u8 app_id;
+	oz_elt_callback_t callback;
+	long context;
+	struct oz_elt_stream *stream;
+	u8 data[sizeof(struct oz_elt) + OZ_MAX_ELT_PAYLOAD];
+	int length;
+	unsigned magic;
+};
+/* Flags values */
+#define OZ_EI_F_MARKED		0x1
+
+struct oz_elt_buf {
+	spinlock_t lock;
+	struct list_head stream_list;
+	struct list_head order_list;
+	struct list_head isoc_list;
+	struct list_head *elt_pool;
+	int free_elts;
+	int max_free_elts;
+	u8 tx_seq_num[OZ_NB_APPS];
+};
+
+int oz_elt_buf_init(struct oz_elt_buf *buf);
+void oz_elt_buf_term(struct oz_elt_buf *buf);
+struct oz_elt_info *oz_elt_info_alloc(struct oz_elt_buf *buf);
+void oz_elt_info_free(struct oz_elt_buf *buf, struct oz_elt_info *ei);
+void oz_elt_info_free_chain(struct oz_elt_buf *buf, struct list_head *list);
+int oz_elt_stream_create(struct oz_elt_buf *buf, u8 id, int max_buf_count);
+int oz_elt_stream_delete(struct oz_elt_buf *buf, u8 id);
+void oz_elt_stream_get(struct oz_elt_stream *st);
+void oz_elt_stream_put(struct oz_elt_stream *st);
+int oz_queue_elt_info(struct oz_elt_buf *buf, u8 isoc, u8 id,
+		struct oz_elt_info *ei);
+int oz_select_elts_for_tx(struct oz_elt_buf *buf, u8 isoc, unsigned *len,
+		unsigned max_len, struct list_head *list);
+int oz_are_elts_available(struct oz_elt_buf *buf);
+void oz_trim_elt_pool(struct oz_elt_buf *buf);
+
+#endif /* _OZELTBUF_H */
+