arch: remove blackfin port

The Analog Devices Blackfin port was added in 2007 and was rather
active for a while, but all work on it has come to a standstill
over time, as Analog have changed their product line-up.

Aaron Wu confirmed that the architecture port is no longer relevant,
and multiple people suggested removing blackfin independently because
of some of its oddities like a non-working SMP port, and the amount of
duplication between the chip variants, which cause extra work when
doing cross-architecture changes.

Link: https://docs.blackfin.uclinux.org/
Acked-by: Aaron Wu <Aaron.Wu@analog.com>
Acked-by: Bryan Wu <cooloney@gmail.com>
Cc: Steven Miao <realmz6@gmail.com>
Cc: Mike Frysinger <vapier@chromium.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 0 insertions, 36 deletions

diff --git a/arch/blackfin/lib/ashrdi3.c b/arch/blackfin/lib/ashrdi3.c
deleted file mode 100644
index b5b351e82e10..000000000000
--- a/arch/blackfin/lib/ashrdi3.c
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright 2004-2009 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include "gcclib.h"
-
-#ifdef CONFIG_ARITHMETIC_OPS_L1
-DItype __ashrdi3(DItype u, word_type b)__attribute__((l1_text));
-#endif
-
-DItype __ashrdi3(DItype u, word_type b)
-{
-	DIunion w;
-	word_type bm;
-	DIunion uu;
-
-	if (b == 0)
-		return u;
-
-	uu.ll = u;
-
-	bm = (sizeof(SItype) * BITS_PER_UNIT) - b;
-	if (bm <= 0) {
-		/* w.s.high = 1..1 or 0..0 */
-		w.s.high = uu.s.high >> (sizeof(SItype) * BITS_PER_UNIT - 1);
-		w.s.low = uu.s.high >> -bm;
-	} else {
-		USItype carries = (USItype) uu.s.high << bm;
-		w.s.high = uu.s.high >> b;
-		w.s.low = ((USItype) uu.s.low >> b) | carries;
-	}
-
-	return w.ll;
-}