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sh: arch earlytimer support

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Extend the 32-bit SuperH timer code to register and probe
the earlytimer class of Early Platform Drivers.

This registers the sh_cmt driver if compiled-in.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Magnus Damm 2009-04-15 10:50:12 +00:00 committed by Paul Mundt
parent e475eedb09
commit eaab89197b
1 changed files with 9 additions and 0 deletions
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9
arch/sh/kernel/time_32.c
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@ -17,6 +17,7 @@
#include <linux/sched.h>
#include <linux/clockchips.h>
#include <linux/mc146818rtc.h> /* for rtc_lock */
#include <linux/platform_device.h>
#include <linux/smp.h>
#include <asm/clock.h>
#include <asm/rtc.h>
@ -228,6 +229,14 @@ void __init time_init(void)
local_timer_setup(smp_processor_id());
#endif
/*
* Make sure all compiled-in early timers register themselves.
* Run probe() for one "earlytimer" device.
*/
early_platform_driver_register_all("earlytimer");
if (early_platform_driver_probe("earlytimer", 1, 0))
return;
/*
* Find the timer to use as the system timer, it will be
* initialized for us.