ARM: Realview/Versatile: don't use magic numbers for timer frequency (4ce17552) · Commits · e / devices / android_kernel_fairphone_FP5

arch/arm/plat-versatile/timer-sp.c

+5 −7

Original line number	Diff line number	Diff line
		@@ -26,15 +26,13 @@

		#include <asm/hardware/arm_timer.h>

		#include <mach/platform.h>

		#include <plat/timer-sp.h>

		/*
		* How long is the timer interval?
		* These timers are currently always setup to be clocked at 1MHz.
		*/
		#define TIMER_RELOAD (TICKS_PER_uSEC * mSEC_10)

		#define TIMER_FREQ_KHZ (1000)
		#define TIMER_RELOAD (TIMER_FREQ_KHZ * 1000 / HZ)

		static void __iomem *clksrc_base;

		@@ -65,7 +63,7 @@ void __init sp804_clocksource_init(void __iomem *base)
		writel(TIMER_CTRL_32BIT \| TIMER_CTRL_ENABLE \| TIMER_CTRL_PERIODIC,
		clksrc_base + TIMER_CTRL);

		cs->mult = clocksource_khz2mult(1000, cs->shift);
		cs->mult = clocksource_khz2mult(TIMER_FREQ_KHZ, cs->shift);
		clocksource_register(cs);
		}

		@@ -149,7 +147,7 @@ void __init sp804_clockevents_init(void __iomem *base, unsigned int timer_irq)
		clkevt_base = base;

		evt->irq = timer_irq;
		evt->mult = div_sc(1000000, NSEC_PER_SEC, evt->shift);
		evt->mult = div_sc(TIMER_FREQ_KHZ, NSEC_PER_MSEC, evt->shift);
		evt->max_delta_ns = clockevent_delta2ns(0xffffffff, evt);
		evt->min_delta_ns = clockevent_delta2ns(0xf, evt);