From 392e8802486cb573b916e746010e141a75f507e6 Mon Sep 17 00:00:00 2001 From: Kevin Date: Sat, 15 Nov 2014 09:58:27 +0800 Subject: init android origin source code --- .../arch/arm/plat-versatile/sched-clock.c | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 ANDROID_3.4.5/arch/arm/plat-versatile/sched-clock.c (limited to 'ANDROID_3.4.5/arch/arm/plat-versatile/sched-clock.c') diff --git a/ANDROID_3.4.5/arch/arm/plat-versatile/sched-clock.c b/ANDROID_3.4.5/arch/arm/plat-versatile/sched-clock.c new file mode 100644 index 00000000..b33b74c8 --- /dev/null +++ b/ANDROID_3.4.5/arch/arm/plat-versatile/sched-clock.c @@ -0,0 +1,41 @@ +/* + * linux/arch/arm/plat-versatile/sched-clock.c + * + * Copyright (C) 1999 - 2003 ARM Limited + * Copyright (C) 2000 Deep Blue Solutions Ltd + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include +#include + +#include +#include + +static void __iomem *ctr; + +static u32 notrace versatile_read_sched_clock(void) +{ + if (ctr) + return readl(ctr); + + return 0; +} + +void __init versatile_sched_clock_init(void __iomem *reg, unsigned long rate) +{ + ctr = reg; + setup_sched_clock(versatile_read_sched_clock, 32, rate); +} -- cgit