From: Lennert Buytenhek Date: Thu, 22 Jun 2006 09:30:54 +0000 (+0100) Subject: [ARM] 3617/1: ep93xx: fix slightly incorrect timer tick rate X-Git-Tag: v2.6.18-rc1~1081^2~221^2~12 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a059e33ce67cec5e990fdec43f242d3b06c60d1a;p=karo-tx-linux.git [ARM] 3617/1: ep93xx: fix slightly incorrect timer tick rate Patch from Lennert Buytenhek The tick rate of timers 1-3 isn't exactly 508 kHz as some parts of the relevant documentation claim, but more like 508.469 kHz (14.7456 MHz divided by 29.) Signed-off-by: Lennert Buytenhek Signed-off-by: Russell King --- diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index d0eb364fc014..bf6bd71bdd08 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -125,7 +125,7 @@ static void __init ep93xx_timer_init(void) { /* Enable periodic HZ timer. */ __raw_writel(0x48, EP93XX_TIMER1_CONTROL); - __raw_writel((508000 / HZ) - 1, EP93XX_TIMER1_LOAD); + __raw_writel((508469 / HZ) - 1, EP93XX_TIMER1_LOAD); __raw_writel(0xc8, EP93XX_TIMER1_CONTROL); /* Enable lost jiffy timer. */