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>
diff --git a/arch/arm/mach-netx/time.c b/arch/arm/mach-netx/time.c
index f12f22d..e24c141 100644
--- a/arch/arm/mach-netx/time.c
+++ b/arch/arm/mach-netx/time.c
@@ -104,19 +104,6 @@
.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 @@
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);