linux-kernel - [PATCH 010/011] sh: add early platform support for earlytimer

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Date:	Fri, 23 Jan 2009 19:59:24 +0900
From:	Magnus Damm <magnus.damm@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	johnstul@...ibm.com, gregkh@...e.de, roel.kluin@...il.com,
	lethal@...ux-sh.org, tglx@...utronix.de,
	Magnus Damm <magnus.damm@...il.com>, mingo@...hat.com,
	akpm@...ux-foundation.org
Subject: [PATCH 010/011] sh: add early platform support for earlytimer

From: Magnus Damm <damm@...l.co.jp>

This patch adds early platform "earlytimer" class support.

Signed-off-by: Magnus Damm <damm@...l.co.jp>
---

 arch/sh/kernel/time_32.c |   11 +++++++++++
 1 file changed, 11 insertions(+)

--- 0017/arch/sh/kernel/time_32.c
+++ work/arch/sh/kernel/time_32.c	2009-01-23 16:41:21.000000000 +0900
@@ -218,6 +218,8 @@ unsigned long long sched_clock(void)
 
 void __init time_init(void)
 {
+	int n;
+
 	if (board_time_init)
 		board_time_init();
 
@@ -236,6 +238,15 @@ void __init time_init(void)
 	 * initialized for us.
 	 */
 	sys_timer = get_sys_timer();
+
+	/* Make sure all compiled-in early timers register themselves.
+	 * Run probe() for one "earlytimer" device.
+	 */
+	early_platform_driver_register_all("earlytimer");
+	n = early_platform_driver_probe("earlytimer", 1, 0);
+	if (n)
+		return;
+
 	if (sys_timer)
 		pr_info("Using %s for system timer\n", sys_timer->name);
 	else
--
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