From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [203.10.76.45]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mx.ozlabs.org", Issuer "CA Cert Signing Authority" (verified OK)) by bilbo.ozlabs.org (Postfix) with ESMTPS id 0C9E0B7098 for ; Sat, 6 Jun 2009 23:34:40 +1000 (EST) Received: from mail-qy0-f171.google.com (mail-qy0-f171.google.com [209.85.221.171]) by ozlabs.org (Postfix) with ESMTP id 58EA6DDD1B for ; Sat, 6 Jun 2009 23:34:37 +1000 (EST) Received: by qyk1 with SMTP id 1so3256153qyk.17 for ; Sat, 06 Jun 2009 06:34:36 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <23901807.post@talk.nabble.com> References: <23901807.post@talk.nabble.com> Date: Sat, 6 Jun 2009 09:34:35 -0400 Message-ID: <9e4733910906060634k16a2dc6er138820e71cd2c6cf@mail.gmail.com> Subject: Re: Missing some interrupts From: Jon Smirl To: wael showair Content-Type: text/plain; charset=ISO-8859-1 Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Sat, Jun 6, 2009 at 9:17 AM, wael showair wrote: > > Hi All, > i have a freescale board, that contains MPC8555 processor & DSP-core > there is a GPIO connecting the DSP-core into an input pin of the OpenPIC of > the MPC8555 processor. > > i test one interrupt from the DSP-core to the MPC8555 processor where i > configure this interrupt line to be edge-triggered (falling edge) & i > receive it successfully > but > when i generate this interrupt 10 successive times using for loop > i just receive 2 interrupts? > > why can't i receive the 8 other interrupts? > i print the value of every irq number inside do_IRQ & i found that i receive > the DSP-interrupt just only twice. > > do u have any suggestions to solve this problem? > i want to make sure that i can receive 10 interrupts Don't do a printk() with interrupts disabled. A printk() takes 1.5ms on a mpc5200. > -- > View this message in context: http://www.nabble.com/Missing-some-interrupts-tp23901807p23901807.html > Sent from the linuxppc-dev mailing list archive at Nabble.com. > > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@lists.ozlabs.org > https://lists.ozlabs.org/listinfo/linuxppc-dev > -- Jon Smirl jonsmirl@gmail.com