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-lpc32xx/timer.c b/arch/arm/mach-lpc32xx/timer.c
index 6162ac3..b42c909b 100644
--- a/arch/arm/mach-lpc32xx/timer.c
+++ b/arch/arm/mach-lpc32xx/timer.c
@@ -31,19 +31,6 @@
#include <mach/platform.h>
#include "common.h"
-static cycle_t lpc32xx_clksrc_read(struct clocksource *cs)
-{
- return (cycle_t)__raw_readl(LCP32XX_TIMER_TC(LPC32XX_TIMER1_BASE));
-}
-
-static struct clocksource lpc32xx_clksrc = {
- .name = "lpc32xx_clksrc",
- .rating = 300,
- .read = lpc32xx_clksrc_read,
- .mask = CLOCKSOURCE_MASK(32),
- .flags = CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
static int lpc32xx_clkevt_next_event(unsigned long delta,
struct clock_event_device *dev)
{
@@ -170,7 +157,9 @@
__raw_writel(0, LCP32XX_TIMER_MCR(LPC32XX_TIMER1_BASE));
__raw_writel(LCP32XX_TIMER_CNTR_TCR_EN,
LCP32XX_TIMER_TCR(LPC32XX_TIMER1_BASE));
- clocksource_register_hz(&lpc32xx_clksrc, clkrate);
+
+ clocksource_mmio_init(LCP32XX_TIMER_TC(LPC32XX_TIMER1_BASE),
+ "lpc32xx_clksrc", clkrate, 300, 32, clocksource_mmio_readl_up);
}
struct sys_timer lpc32xx_timer = {