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Diffstat (limited to 'arch/cris/arch-v32/lib/delay.c')
-rw-r--r--arch/cris/arch-v32/lib/delay.c29
1 files changed, 0 insertions, 29 deletions
diff --git a/arch/cris/arch-v32/lib/delay.c b/arch/cris/arch-v32/lib/delay.c
deleted file mode 100644
index db06a94ef646..000000000000
--- a/arch/cris/arch-v32/lib/delay.c
+++ /dev/null
@@ -1,29 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Precise Delay Loops for ETRAX FS
- *
- * Copyright (C) 2006 Axis Communications AB.
- *
- */
-
-#include <hwregs/reg_map.h>
-#include <hwregs/reg_rdwr.h>
-#include <hwregs/timer_defs.h>
-#include <linux/types.h>
-#include <linux/delay.h>
-#include <linux/module.h>
-
-/*
- * On ETRAX FS, we can check the free-running read-only 100MHz timer
- * getting 32-bit 10ns precision, theoretically good for 42.94967295
- * seconds. Unsigned arithmetic and careful expression handles
- * wrapping.
- */
-
-void cris_delay10ns(u32 n10ns)
-{
- u32 t0 = REG_RD(timer, regi_timer0, r_time);
- while (REG_RD(timer, regi_timer0, r_time) - t0 < n10ns)
- ;
-}
-EXPORT_SYMBOL(cris_delay10ns);