From 4cbca527d4ab6175ec14887b99e88a70c6b34621 Mon Sep 17 00:00:00 2001 From: Roshni Shah Date: Sun, 10 Mar 2013 20:39:34 -0400 Subject: fix scheduler not seeing time pass, would not interrupt cpu bound process Signed-off-by: Ed Nash --- arch/arm/plat-mxc/Makefile | 4 +++- arch/arm/plat-mxc/pit.c | 6 ++++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/arm/plat-mxc/Makefile b/arch/arm/plat-mxc/Makefile index e2abb624f9d1..238788df23da 100755 --- a/arch/arm/plat-mxc/Makefile +++ b/arch/arm/plat-mxc/Makefile @@ -3,12 +3,14 @@ # # Common support -obj-y := clock.o time.o devices.o cpu.o system.o irq-common.o usb_common.o usb_wakeup.o +#obj-y := clock.o time.o devices.o cpu.o system.o irq-common.o usb_common.o usb_wakeup.o +obj-y := clock.o devices.o cpu.o system.o irq-common.o usb_common.o usb_wakeup.o ifdef CONFIG_ARCH_MVF obj-y += gpio-mvf.o else obj-y += gpio.o +obj-y += time.o endif # MX51 uses the TZIC interrupt controller, older platforms use AVIC diff --git a/arch/arm/plat-mxc/pit.c b/arch/arm/plat-mxc/pit.c index ba71bda51c06..e82cca9d06ea 100644 --- a/arch/arm/plat-mxc/pit.c +++ b/arch/arm/plat-mxc/pit.c @@ -90,6 +90,12 @@ static cycle_t pit_read_clk(struct clocksource *cs); static DEFINE_CLOCK_DATA(cd); static void __iomem *sched_clock_reg; +unsigned long long notrace sched_clock(void) +{ + cycle_t cyc = sched_clock_reg ? ((u32)~0 + - __raw_readl(sched_clock_reg)) : 0; + return cyc_to_sched_clock(&cd, cyc, (u32)~0); +} static void notrace mvf_update_sched_clock(void) { -- cgit v1.2.3