raid: remove tile specific raid6 implementation

The Tile architecture is getting removed, so we no longer need this either.

Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 0 insertions, 87 deletions

diff --git a/lib/raid6/tilegx.uc b/lib/raid6/tilegx.uc
deleted file mode 100644
index 2dd291a11264..000000000000
--- a/lib/raid6/tilegx.uc
+++ /dev/null
@@ -1,87 +0,0 @@
-/* -*- linux-c -*- ------------------------------------------------------- *
- *
- *   Copyright 2002 H. Peter Anvin - All Rights Reserved
- *   Copyright 2012 Tilera Corporation - All Rights Reserved
- *
- *   This program is free software; you can redistribute it and/or modify
- *   it under the terms of the GNU General Public License as published by
- *   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
- *   Boston MA 02111-1307, USA; either version 2 of the License, or
- *   (at your option) any later version; incorporated herein by reference.
- *
- * ----------------------------------------------------------------------- */
-
-/*
- * tilegx$#.c
- *
- * $#-way unrolled TILE-Gx SIMD for RAID-6 math.
- *
- * This file is postprocessed using unroll.awk.
- *
- */
-
-#include <linux/raid/pq.h>
-
-/* Create 8 byte copies of constant byte */
-# define NBYTES(x) (__insn_v1addi(0, x))
-# define NSIZE  8
-
-/*
- * The SHLBYTE() operation shifts each byte left by 1, *not*
- * rolling over into the next byte
- */
-static inline __attribute_const__ u64 SHLBYTE(u64 v)
-{
-	/* Vector One Byte Shift Left Immediate. */
-	return __insn_v1shli(v, 1);
-}
-
-/*
- * The MASK() operation returns 0xFF in any byte for which the high
- * bit is 1, 0x00 for any byte for which the high bit is 0.
- */
-static inline __attribute_const__ u64 MASK(u64 v)
-{
-	/* Vector One Byte Shift Right Signed Immediate. */
-	return __insn_v1shrsi(v, 7);
-}
-
-
-void raid6_tilegx$#_gen_syndrome(int disks, size_t bytes, void **ptrs)
-{
-	u8 **dptr = (u8 **)ptrs;
-	u64 *p, *q;
-	int d, z, z0;
-
-	u64 wd$$, wq$$, wp$$, w1$$, w2$$;
-	u64 x1d = NBYTES(0x1d);
-	u64 * z0ptr;
-
-	z0 = disks - 3;			/* Highest data disk */
-	p = (u64 *)dptr[z0+1];	/* XOR parity */
-	q = (u64 *)dptr[z0+2];	/* RS syndrome */
-
-	z0ptr = (u64 *)&dptr[z0][0];
-	for ( d = 0 ; d < bytes ; d += NSIZE*$# ) {
-		wq$$ = wp$$ = *z0ptr++;
-		for ( z = z0-1 ; z >= 0 ; z-- ) {
-			wd$$ = *(u64 *)&dptr[z][d+$$*NSIZE];
-			wp$$ = wp$$ ^ wd$$;
-			w2$$ = MASK(wq$$);
-			w1$$ = SHLBYTE(wq$$);
-			w2$$ = w2$$ & x1d;
-			w1$$ = w1$$ ^ w2$$;
-			wq$$ = w1$$ ^ wd$$;
-		}
-		*p++ = wp$$;
-		*q++ = wq$$;
-	}
-}
-
-const struct raid6_calls raid6_tilegx$# = {
-	raid6_tilegx$#_gen_syndrome,
-	NULL,			/* XOR not yet implemented */
-	NULL,
-	"tilegx$#",
-	0
-};