From 234b6ceddb4fc2a4bc5b9a7670f070f6e69e0868 Mon Sep 17 00:00:00 2001 From: Russell King Date: Sun, 8 May 2011 14:09:47 +0100 Subject: clocksource: convert ARM 32-bit up counting clocksources Convert ixp4xx, lpc32xx, mxc, netx, pxa, sa1100, tcc8k, tegra and u300 to use the generic mmio clocksource recently introduced. Cc: Imre Kaloz Cc: Krzysztof Halasa Acked-by: Eric Miao Acked-by: "Hans J. Koch" Acked-by: Colin Cross Cc: Erik Gilling Cc: Olof Johansson Acked-by: Linus Walleij Acked-by: Sascha Hauer Signed-off-by: Russell King --- arch/arm/mach-lpc32xx/timer.c | 17 +++-------------- 1 file changed, 3 insertions(+), 14 deletions(-) (limited to 'arch/arm/mach-lpc32xx') diff --git a/arch/arm/mach-lpc32xx/timer.c b/arch/arm/mach-lpc32xx/timer.c index 6162ac3..b42c909b 100644 --- a/arch/arm/mach-lpc32xx/timer.c +++ b/arch/arm/mach-lpc32xx/timer.c @@ -31,19 +31,6 @@ #include #include "common.h" -static cycle_t lpc32xx_clksrc_read(struct clocksource *cs) -{ - return (cycle_t)__raw_readl(LCP32XX_TIMER_TC(LPC32XX_TIMER1_BASE)); -} - -static struct clocksource lpc32xx_clksrc = { - .name = "lpc32xx_clksrc", - .rating = 300, - .read = lpc32xx_clksrc_read, - .mask = CLOCKSOURCE_MASK(32), - .flags = CLOCK_SOURCE_IS_CONTINUOUS, -}; - static int lpc32xx_clkevt_next_event(unsigned long delta, struct clock_event_device *dev) { @@ -170,7 +157,9 @@ static void __init lpc32xx_timer_init(void) __raw_writel(0, LCP32XX_TIMER_MCR(LPC32XX_TIMER1_BASE)); __raw_writel(LCP32XX_TIMER_CNTR_TCR_EN, LCP32XX_TIMER_TCR(LPC32XX_TIMER1_BASE)); - clocksource_register_hz(&lpc32xx_clksrc, clkrate); + + clocksource_mmio_init(LCP32XX_TIMER_TC(LPC32XX_TIMER1_BASE), + "lpc32xx_clksrc", clkrate, 300, 32, clocksource_mmio_readl_up); } struct sys_timer lpc32xx_timer = { -- cgit v1.1