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>

1 files changed, 2 insertions, 14 deletions

diff --git a/arch/arm/mach-netx/time.c b/arch/arm/mach-netx/time.c
index f12f22d09b6c..e24c141ba489 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);