From 1666b1757b915ce71096d7c9943d42533c8c8bb0 Mon Sep 17 00:00:00 2001
From: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Date: Wed, 10 Sep 2008 15:52:04 +0200
Subject: [PATCH] --- yaml --- r: 109865 b: refs/heads/master c:
 e37925ebdb9738fc7968119198c6997e79093c02 h: refs/heads/master i:   109863:
 690e50837edf17d16e6188ee8b3a2b7896d3eeca v: v3

---
 [refs]                                |  2 +-
 trunk/arch/avr32/kernel/avr32_ksyms.c |  1 +
 trunk/arch/avr32/lib/findbit.S        | 30 +++++++++++++++++++++++++++
 3 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 31c8422cbd1e..16ce9dfb8d07 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1b771c12b56fdea6c0596a69c63b097b62ce9f41
+refs/heads/master: e37925ebdb9738fc7968119198c6997e79093c02
diff --git a/trunk/arch/avr32/kernel/avr32_ksyms.c b/trunk/arch/avr32/kernel/avr32_ksyms.c
index 84a7d44edc67..11e310c567a9 100644
--- a/trunk/arch/avr32/kernel/avr32_ksyms.c
+++ b/trunk/arch/avr32/kernel/avr32_ksyms.c
@@ -58,6 +58,7 @@ EXPORT_SYMBOL(find_first_zero_bit);
 EXPORT_SYMBOL(find_next_zero_bit);
 EXPORT_SYMBOL(find_first_bit);
 EXPORT_SYMBOL(find_next_bit);
+EXPORT_SYMBOL(generic_find_next_le_bit);
 EXPORT_SYMBOL(generic_find_next_zero_le_bit);
 
 /* I/O primitives (lib/io-*.S) */
diff --git a/trunk/arch/avr32/lib/findbit.S b/trunk/arch/avr32/lib/findbit.S
index c6b91dee857c..997b33b2288a 100644
--- a/trunk/arch/avr32/lib/findbit.S
+++ b/trunk/arch/avr32/lib/findbit.S
@@ -123,6 +123,36 @@ ENTRY(find_next_bit)
 	brgt	1b
 	retal	r11
 
+ENTRY(generic_find_next_le_bit)
+	lsr	r8, r10, 5
+	sub	r9, r11, r10
+	retle	r11
+
+	lsl	r8, 2
+	add	r12, r8
+	andl	r10, 31, COH
+	breq	1f
+
+	/* offset is not word-aligned. Handle the first (32 - r10) bits */
+	ldswp.w	r8, r12[0]
+	sub	r12, -4
+	lsr	r8, r8, r10
+	brne	.L_found
+
+	/* r9 = r9 - (32 - r10) = r9 + r10 - 32 */
+	add	r9, r10
+	sub	r9, 32
+	retle	r11
+
+	/* Main loop. offset must be word-aligned */
+1:	ldswp.w	r8, r12[0]
+	cp.w	r8, 0
+	brne	.L_found
+	sub	r12, -4
+	sub	r9, 32
+	brgt	1b
+	retal	r11
+
 ENTRY(generic_find_next_zero_le_bit)
 	lsr	r8, r10, 5
 	sub	r9, r11, r10