From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarkko Nikula Subject: Re: [PATCH] ARM: OMAP: Fix possible un-initialized waitqueue in McBSP Date: Mon, 22 Sep 2008 16:30:10 +0300 Message-ID: <20080922163010.034ca5fb.jarkko.nikula@nokia.com> References: <1221831398-10700-1-git-send-email-jarkko.nikula@nokia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from smtp.nokia.com ([192.100.122.233]:41256 "EHLO mgw-mx06.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751878AbYIVNaz (ORCPT ); Mon, 22 Sep 2008 09:30:55 -0400 Received: from esebh107.NOE.Nokia.com (esebh107.ntc.nokia.com [172.21.143.143]) by mgw-mx06.nokia.com (Switch-3.2.6/Switch-3.2.6) with ESMTP id m8MDUP6M028908 for ; Mon, 22 Sep 2008 16:30:53 +0300 Received: from kikka3 (esdhcp040183.research.nokia.com [172.21.40.183]) by mgw-int02.ntc.nokia.com (Switch-3.2.5/Switch-3.2.5) with SMTP id m8MDUOZb012679 for ; Mon, 22 Sep 2008 16:30:24 +0300 In-Reply-To: <1221831398-10700-1-git-send-email-jarkko.nikula@nokia.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: linux-omap@vger.kernel.org On Fri, 19 Sep 2008 16:36:38 +0300 Jarkko Nikula wrote: > TX or RX irq waitqueues are un-initialized if interrupt would occur > immediately after requesting it. I don't know is it HW failure, but one > Beagle board is showing spurious TX interrupt from McBSP2 (and only from it) > just after requesting it. > > Signed-off-by: Jarkko Nikula > --- > arch/arm/plat-omap/mcbsp.c | 6 ++---- > 1 files changed, 2 insertions(+), 4 deletions(-) > Dismiss this. I'll send a better version fixing this and the actual reason why this TX interrupt is occurring immediately from Beagle McBSP2 (bootloader let it running). Jarkko