metag: Remove arch/metag/

[sfrench/cifs-2.6.git] / arch / metag / lib / delay.c

diff --git a/arch/metag/lib/delay.c b/arch/metag/lib/delay.c
deleted file mode 100644 (file)
index 6754012..0000000
--- a/arch/metag/lib/delay.c
+++ /dev/null
@@ -1,57 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- *     Precise Delay Loops for Meta
- *
- *     Copyright (C) 1993 Linus Torvalds
- *     Copyright (C) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
- *     Copyright (C) 2007,2009 Imagination Technologies Ltd.
- *
- */
-
-#include <linux/export.h>
-#include <linux/sched.h>
-#include <linux/delay.h>
-
-#include <asm/core_reg.h>
-#include <asm/processor.h>
-
-/*
- * TXTACTCYC is only 24 bits, so on chips with fast clocks it will wrap
- * many times per-second. If it does wrap __delay will return prematurely,
- * but this is only likely with large delay values.
- *
- * We also can't implement read_current_timer() with TXTACTCYC due to
- * this wrapping behaviour.
- */
-#define rdtimer(t) t = __core_reg_get(TXTACTCYC)
-
-void __delay(unsigned long loops)
-{
-       unsigned long bclock, now;
-
-       rdtimer(bclock);
-       do {
-               asm("NOP");
-               rdtimer(now);
-       } while ((now-bclock) < loops);
-}
-EXPORT_SYMBOL(__delay);
-
-inline void __const_udelay(unsigned long xloops)
-{
-       u64 loops = (u64)xloops * (u64)loops_per_jiffy * HZ;
-       __delay(loops >> 32);
-}
-EXPORT_SYMBOL(__const_udelay);
-
-void __udelay(unsigned long usecs)
-{
-       __const_udelay(usecs * 0x000010c7); /* 2**32 / 1000000 (rounded up) */
-}
-EXPORT_SYMBOL(__udelay);
-
-void __ndelay(unsigned long nsecs)
-{
-       __const_udelay(nsecs * 0x00005); /* 2**32 / 1000000000 (rounded up) */
-}
-EXPORT_SYMBOL(__ndelay);