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-tcc8k/time.c b/arch/arm/mach-tcc8k/time.c
index e0a8d609afe1..a96babe83771 100644
--- a/arch/arm/mach-tcc8k/time.c
+++ b/arch/arm/mach-tcc8k/time.c
@@ -25,19 +25,6 @@
 
 static void __iomem *timer_base;
 
-static cycle_t tcc_get_cycles(struct clocksource *cs)
-{
-        return __raw_readl(timer_base + TC32MCNT_OFFS);
-}
-
-static struct clocksource clocksource_tcc = {
-        .name           = "tcc_tc32",
-        .rating         = 200,
-        .read           = tcc_get_cycles,
-        .mask           = CLOCKSOURCE_MASK(32),
-        .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
 static int tcc_set_next_event(unsigned long evt,
                               struct clock_event_device *unused)
 {
@@ -102,7 +89,8 @@ static int __init tcc_clockevent_init(struct clk *clock)
 {
         unsigned int c = clk_get_rate(clock);
 
-        clocksource_register_hz(&clocksource_tcc, c);
+        clocksource_mmio_init(timer_base + TC32MCNT_OFFS, "tcc_tc32", c,
+                200, 32, clocksource_mmio_readl_up);
 
         clockevent_tcc.mult = div_sc(c, NSEC_PER_SEC,
                                         clockevent_tcc.shift);