1 files changed, 0 insertions, 130 deletions
diff --git a/arch/m32r/lib/delay.c b/arch/m32r/lib/delay.c
deleted file mode 100644
index ae1fe90892f9..000000000000
--- a/arch/m32r/lib/delay.c
+++ /dev/null
@@ -1,130 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/arch/m32r/lib/delay.c
- *
- * Copyright (c) 2002  Hitoshi Yamamoto, Hirokazu Takata
- * Copyright (c) 2004  Hirokazu Takata
- */
-
-#include <linux/param.h>
-#include <linux/module.h>
-#ifdef CONFIG_SMP
-#include <linux/sched.h>
-#include <asm/current.h>
-#include <asm/smp.h>
-#endif  /* CONFIG_SMP */
-#include <asm/processor.h>
-
-void __delay(unsigned long loops)
-{
-#ifdef CONFIG_ISA_DUAL_ISSUE
-	__asm__ __volatile__ (
-		"beqz	%0, 2f			\n\t"
-		"addi	%0, #-1			\n\t"
-
-		" .fillinsn			\n\t"
-		"1:				\n\t"
-		"cmpz	%0  ||  addi  %0, #-1	\n\t"
-		"bc	2f  ||  cmpz  %0	\n\t"
-		"bc	2f  ||  addi  %0, #-1	\n\t"
-		"cmpz	%0  ||  addi  %0, #-1	\n\t"
-		"bc	2f  ||  cmpz  %0	\n\t"
-		"bnc	1b  ||  addi  %0, #-1	\n\t"
-		" .fillinsn			\n\t"
-		"2:				\n\t"
-		: "+r" (loops)
-		: "r" (0)
-		: "cbit"
-	);
-#else
-	__asm__ __volatile__ (
-		"beqz	%0, 2f			\n\t"
-		" .fillinsn			\n\t"
-		"1:				\n\t"
-		"addi	%0, #-1			\n\t"
-		"blez	%0, 2f			\n\t"
-		"addi	%0, #-1			\n\t"
-		"blez	%0, 2f			\n\t"
-		"addi	%0, #-1			\n\t"
-		"blez	%0, 2f			\n\t"
-		"addi	%0, #-1			\n\t"
-		"bgtz	%0, 1b			\n\t"
-		" .fillinsn			\n\t"
-		"2:				\n\t"
-		: "+r" (loops)
-		: "r" (0)
-	);
-#endif
-}
-
-void __const_udelay(unsigned long xloops)
-{
-#if defined(CONFIG_ISA_M32R2) && defined(CONFIG_ISA_DSP_LEVEL2)
-	/*
-	 * loops [1] = (xloops >> 32) [sec] * loops_per_jiffy [1/jiffy]
-	 *            * HZ [jiffy/sec]
-	 *          = (xloops >> 32) [sec] * (loops_per_jiffy * HZ) [1/sec]
-	 *          = (((xloops * loops_per_jiffy) >> 32) * HZ) [1]
-	 *
-	 * NOTE:
-	 *   - '[]' depicts variable's dimension in the above equation.
-	 *   - "rac" instruction rounds the accumulator in word size.
-	 */
-	__asm__ __volatile__ (
-		"srli	%0, #1				\n\t"
-		"mulwhi	%0, %1	; a0			\n\t"
-		"mulwu1	%0, %1	; a1			\n\t"
-		"sadd		; a0 += (a1 >> 16)	\n\t"
-		"rac	a0, a0, #1			\n\t"
-		"mvfacmi %0, a0				\n\t"
-		: "+r" (xloops)
-		: "r" (current_cpu_data.loops_per_jiffy)
-		: "a0", "a1"
-	);
-#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
-	/*
-	 * u64 ull;
-	 * ull = (u64)xloops * (u64)current_cpu_data.loops_per_jiffy;
-	 * xloops = (ull >> 32);
-	 */
-	__asm__ __volatile__ (
-		"and3	r4, %0, #0xffff		\n\t"
-		"and3	r5, %1, #0xffff		\n\t"
-		"mul	r4, r5			\n\t"
-		"srl3	r6, %0, #16		\n\t"
-		"srli	r4, #16			\n\t"
-		"mul	r5, r6			\n\t"
-		"add	r4, r5			\n\t"
-		"and3	r5, %0, #0xffff		\n\t"
-		"srl3	r6, %1, #16		\n\t"
-		"mul	r5, r6			\n\t"
-		"add	r4, r5			\n\t"
-		"srl3	r5, %0, #16		\n\t"
-		"srli	r4, #16			\n\t"
-		"mul	r5, r6			\n\t"
-		"add	r4, r5			\n\t"
-		"mv	%0, r4			\n\t"
-		: "+r" (xloops)
-		: "r" (current_cpu_data.loops_per_jiffy)
-		: "r4", "r5", "r6"
-	);
-#else
-#error unknown isa configuration
-#endif
-	__delay(xloops * HZ);
-}
-
-void __udelay(unsigned long usecs)
-{
-	__const_udelay(usecs * 0x000010c7);  /* 2**32 / 1000000 (rounded up) */
-}
-
-void __ndelay(unsigned long nsecs)
-{
-	__const_udelay(nsecs * 0x00005);  /* 2**32 / 1000000000 (rounded up) */
-}
-
-EXPORT_SYMBOL(__delay);
-EXPORT_SYMBOL(__const_udelay);
-EXPORT_SYMBOL(__udelay);
-EXPORT_SYMBOL(__ndelay);