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+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * linux/arch/arm/lib/memchr.S
+ *
+ * Copyright (C) 1995-2000 Russell King
+ *
+ * ASM optimised string functions
+ */
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+
+ .text
+ .align 5
+ENTRY(memchr)
+1: subs r2, r2, #1
+ bmi 2f
+ ldrb r3, [r0], #1
+ teq r3, r1
+ bne 1b
+ sub r0, r0, #1
+2: movne r0, #0
+ ret lr
+ENDPROC(memchr)