From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from kuuvir01.barco.com (kuu212123311.barco.com [212.123.3.11]) by ozlabs.org (Postfix) with SMTP id A3FC367B8F for ; Mon, 20 Nov 2006 22:24:46 +1100 (EST) From: Peter Korsgaard To: linuxppc-embedded@ozlabs.org Subject: Re: [PATCH] serial: Use real irq on UART0 (IRQ = 0) on PPC4xx systems References: <200611201200.36780.ml@stefan-roese.de> Date: Mon, 20 Nov 2006 12:24:36 +0100 In-Reply-To: <200611201200.36780.ml@stefan-roese.de> (Stefan Roese's message of "Mon, 20 Nov 2006 12:00:36 +0100") Message-ID: <87odr2mkcr.fsf@sleipner.barco.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-kernel@vger.kernel.org List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , >>>>> "Stefan" == Stefan Roese writes: Hi, Stefan> This patch fixes a problem seen on multiple 4xx platforms, Stefan> where the UART0 interrupt number is 0. The macro Stefan> "is_real_interrupt" lead on those systems to not use an real Stefan> interrupt but the timer based implementation. That's not the proper way to fix this. Instead remap the interrupt number to make 0 invalid. I sent a similar patch some months ago and that was the reply I got: http://marc.theaimsgroup.com/?t=114363521500003&r=1&w=2 -- Bye, Peter Korsgaard