From bfe45e0be88d8a2e408226d473bff60da4a97d1f Mon Sep 17 00:00:00 2001 From: Russell King Date: Sun, 8 May 2011 15:33:30 +0100 Subject: clocksource: convert ARM 32-bit down counting clocksources Convert SP804, MXC, Nomadik and Orion 32-bit down-counting clocksources to generic mmio clocksource infrastructure. Acked-by: Catalin Marinas Cc: Sascha Hauer Cc: Alessandro Rubini Acked-by: Linus Walleij Cc: Lennert Buytenhek Acked-by: Nicolas Pitre Signed-off-by: Russell King --- arch/arm/plat-mxc/epit.c | 18 ++---------------- 1 file changed, 2 insertions(+), 16 deletions(-) (limited to 'arch/arm/plat-mxc') diff --git a/arch/arm/plat-mxc/epit.c b/arch/arm/plat-mxc/epit.c index d69d343ff61f..d3467f818c33 100644 --- a/arch/arm/plat-mxc/epit.c +++ b/arch/arm/plat-mxc/epit.c @@ -83,26 +83,12 @@ static void epit_irq_acknowledge(void) __raw_writel(EPITSR_OCIF, timer_base + EPITSR); } -static cycle_t epit_read(struct clocksource *cs) -{ - return 0 - __raw_readl(timer_base + EPITCNR); -} - -static struct clocksource clocksource_epit = { - .name = "epit", - .rating = 200, - .read = epit_read, - .mask = CLOCKSOURCE_MASK(32), - .flags = CLOCK_SOURCE_IS_CONTINUOUS, -}; - static int __init epit_clocksource_init(struct clk *timer_clk) { unsigned int c = clk_get_rate(timer_clk); - clocksource_register_hz(&clocksource_epit, c); - - return 0; + return clocksource_mmio_init(timer_base + EPITCNR, "epit", c, 200, 32, + clocksource_mmio_readl_down); } /* clock event */ -- cgit v1.2.3-59-g8ed1b