From 64cb45addaf7f193dfa6396c8e6f5cf1293312c1 Mon Sep 17 00:00:00 2001 From: Henry Ptasinski Date: Thu, 7 Oct 2010 19:52:07 -0700 Subject: [PATCH] staging: brcm80211: Remove unnecessary bitfuncs.h This header file is no longer included anywhere. Signed-off-by: Henry Ptasinski Signed-off-by: Greg Kroah-Hartman --- drivers/staging/brcm80211/include/bitfuncs.h | 86 -------------------- 1 file changed, 86 deletions(-) delete mode 100644 drivers/staging/brcm80211/include/bitfuncs.h diff --git a/drivers/staging/brcm80211/include/bitfuncs.h b/drivers/staging/brcm80211/include/bitfuncs.h deleted file mode 100644 index faa1e6d63106..000000000000 --- a/drivers/staging/brcm80211/include/bitfuncs.h +++ /dev/null @@ -1,86 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#ifndef _BITFUNCS_H -#define _BITFUNCS_H - -#include - -/* local prototypes */ -static inline uint32 find_msbit(uint32 x); - -/* - * find_msbit: returns index of most significant set bit in x, with index - * range defined as 0-31. NOTE: returns zero if input is zero. - */ - -#if defined(USE_PENTIUM_BSR) && defined(__GNUC__) - -/* - * Implementation for Pentium processors and gcc. Note that this - * instruction is actually very slow on some processors (e.g., family 5, - * model 2, stepping 12, "Pentium 75 - 200"), so we use the generic - * implementation instead. - */ -static inline uint32 find_msbit(uint32 x) -{ - uint msbit; - __asm__("bsrl %1,%0" : "=r"(msbit) - : "r"(x)); - return msbit; -} - -#else /* !USE_PENTIUM_BSR || !__GNUC__ */ - -/* - * Generic Implementation - */ - -#define DB_POW_MASK16 0xffff0000 -#define DB_POW_MASK8 0x0000ff00 -#define DB_POW_MASK4 0x000000f0 -#define DB_POW_MASK2 0x0000000c -#define DB_POW_MASK1 0x00000002 - -static inline uint32 find_msbit(uint32 x) -{ - uint32 temp_x = x; - uint msbit = 0; - if (temp_x & DB_POW_MASK16) { - temp_x >>= 16; - msbit = 16; - } - if (temp_x & DB_POW_MASK8) { - temp_x >>= 8; - msbit += 8; - } - if (temp_x & DB_POW_MASK4) { - temp_x >>= 4; - msbit += 4; - } - if (temp_x & DB_POW_MASK2) { - temp_x >>= 2; - msbit += 2; - } - if (temp_x & DB_POW_MASK1) { - msbit += 1; - } - return msbit; -} - -#endif /* USE_PENTIUM_BSR && __GNUC__ */ - -#endif /* _BITFUNCS_H */