diff options
Diffstat (limited to 'arch/cris/arch-v32/lib/delay.c')
-rw-r--r-- | arch/cris/arch-v32/lib/delay.c | 29 |
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); |