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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-05-08 14:09:47 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-05-23 18:04:51 +0100
commit234b6ceddb4fc2a4bc5b9a7670f070f6e69e0868 (patch)
tree891f57ca663b5ec0bb61bb3e38c5306e0d13d2bd /arch/arm/mach-netx
parent442c8176d2efa468577738e3a99a6e051f6e8e55 (diff)
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 <kaloz@openwrt.org> Cc: Krzysztof Halasa <khc@pm.waw.pl> Acked-by: Eric Miao <eric.y.miao@gmail.com> Acked-by: "Hans J. Koch" <hjk@hansjkoch.de> Acked-by: Colin Cross <ccross@android.com> Cc: Erik Gilling <konkers@android.com> Cc: Olof Johansson <olof@lixom.net> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-netx')
-rw-r--r--arch/arm/mach-netx/time.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/arch/arm/mach-netx/time.c b/arch/arm/mach-netx/time.c
index f12f22d09b6..e24c141ba48 100644
--- a/arch/arm/mach-netx/time.c
+++ b/arch/arm/mach-netx/time.c
@@ -104,19 +104,6 @@ static struct irqaction netx_timer_irq = {
.handler = netx_timer_interrupt,
};
-cycle_t netx_get_cycles(struct clocksource *cs)
-{
- return readl(NETX_GPIO_COUNTER_CURRENT(TIMER_CLOCKSOURCE));
-}
-
-static struct clocksource clocksource_netx = {
- .name = "netx_timer",
- .rating = 200,
- .read = netx_get_cycles,
- .mask = CLOCKSOURCE_MASK(32),
- .flags = CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
/*
* Set up timer interrupt
*/
@@ -150,7 +137,8 @@ static void __init netx_timer_init(void)
writel(NETX_GPIO_COUNTER_CTRL_RUN,
NETX_GPIO_COUNTER_CTRL(TIMER_CLOCKSOURCE));
- clocksource_register_hz(&clocksource_netx, CLOCK_TICK_RATE);
+ clocksource_mmio_init(NETX_GPIO_COUNTER_CURRENT(TIMER_CLOCKSOURCE),
+ "netx_timer", CLOCK_TICK_RATE, 200, 32, clocksource_mmio_readl_up);
netx_clockevent.mult = div_sc(CLOCK_TICK_RATE, NSEC_PER_SEC,
netx_clockevent.shift);