Convert OMAPs 32kHz clocksource implementation to use the generic MMIO
clocksource support. This achieves several things:
1. It means we get rid of all these helper functions which frankly should
never have been necessary.
2. It means omap_readl() inside these helper functions does not appear in
ftrace output.
Another plus is that we avoid the overhead of calculating the address to
read each time, but a minus is that we use readl() which has a barrier.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
[tony@atomide.com: updated to use ioremap]
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 9adc278..c1795c9 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -852,6 +852,7 @@
select HAVE_CLK
select ARCH_REQUIRE_GPIOLIB
select ARCH_HAS_CPUFREQ
+ select CLKSRC_MMIO
select GENERIC_CLOCKEVENTS
select HAVE_SCHED_CLOCK
select ARCH_HAS_HOLES_MEMORYMODEL