From: Mike Baker <mbm@openwrt.org>
Date: Sat, 25 Aug 2007 13:18:58 +0000 (+0000)
Subject: workaround for timer glitch on some boards
X-Git-Tag: reboot~28306
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=7ab328b133d77b2fd4b77b34d7f5561cae794af2;p=openwrt%2Fstaging%2Flynxis.git

workaround for timer glitch on some boards

SVN-Revision: 8483
---

diff --git a/target/linux/brcm-2.4/files/arch/mips/bcm947xx/time.c b/target/linux/brcm-2.4/files/arch/mips/bcm947xx/time.c
index 2cf91f202e..9c502be580 100644
--- a/target/linux/brcm-2.4/files/arch/mips/bcm947xx/time.c
+++ b/target/linux/brcm-2.4/files/arch/mips/bcm947xx/time.c
@@ -99,6 +99,17 @@ static struct irqaction bcm947xx_timer_irqaction = {
 void __init
 bcm947xx_timer_setup(struct irqaction *irq)
 {
+	int x;
+
 	/* Enable the timer interrupt */
 	setup_irq(7, &bcm947xx_timer_irqaction);
+
+	sti();
+
+	for (x=0; x<5; x++) {
+		unsigned long ticks; 
+		ticks = jiffies;
+		while (ticks == jiffies) 
+			/* do nothing */;
+	}
 }