1 files changed, 0 insertions, 39 deletions
diff --git a/arch/nds32/include/asm/delay.h b/arch/nds32/include/asm/delay.h
deleted file mode 100644
index 56ea3894f8f8..000000000000
--- a/arch/nds32/include/asm/delay.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-// Copyright (C) 2005-2017 Andes Technology Corporation
-
-#ifndef __NDS32_DELAY_H__
-#define __NDS32_DELAY_H__
-
-#include <asm/param.h>
-
-/* There is no clocksource cycle counter in the CPU. */
-static inline void __delay(unsigned long loops)
-{
-	__asm__ __volatile__(".align 2\n"
-			     "1:\n"
-			     "\taddi\t%0, %0, -1\n"
-			     "\tbgtz\t%0, 1b\n"
-			     :"=r"(loops)
-			     :"0"(loops));
-}
-
-static inline void __udelay(unsigned long usecs, unsigned long lpj)
-{
-	usecs *= (unsigned long)(((0x8000000000000000ULL / (500000 / HZ)) +
-				  0x80000000ULL) >> 32);
-	usecs = (unsigned long)(((unsigned long long)usecs * lpj) >> 32);
-	__delay(usecs);
-}
-
-#define udelay(usecs) __udelay((usecs), loops_per_jiffy)
-
-/* make sure "usecs *= ..." in udelay do not overflow. */
-#if HZ >= 1000
-#define MAX_UDELAY_MS	1
-#elif HZ <= 200
-#define MAX_UDELAY_MS	5
-#else
-#define MAX_UDELAY_MS	(1000 / HZ)
-#endif
-
-#endif