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-sa1100/time.c b/arch/arm/mach-sa1100/time.c
index 51c0529..fa66024 100644
--- a/arch/arm/mach-sa1100/time.c
+++ b/arch/arm/mach-sa1100/time.c
@@ -97,19 +97,6 @@
.set_mode = sa1100_osmr0_set_mode,
};
-static cycle_t sa1100_read_oscr(struct clocksource *s)
-{
- return OSCR;
-}
-
-static struct clocksource cksrc_sa1100_oscr = {
- .name = "oscr",
- .rating = 200,
- .read = sa1100_read_oscr,
- .mask = CLOCKSOURCE_MASK(32),
- .flags = CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
static struct irqaction sa1100_timer_irq = {
.name = "ost0",
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
@@ -134,7 +121,8 @@
setup_irq(IRQ_OST0, &sa1100_timer_irq);
- clocksource_register_hz(&cksrc_sa1100_oscr, CLOCK_TICK_RATE);
+ clocksource_mmio_init(&OSCR, "oscr", CLOCK_TICK_RATE, 200, 32,
+ clocksource_mmio_readl_up);
clockevents_register_device(&ckevt_sa1100_osmr0);
}