From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id AD006DDE1E for ; Mon, 3 Dec 2007 07:34:20 +1100 (EST) Subject: Re: [PATCH 12/24] powerpc: 4xx PLB to PCI Express support From: Benjamin Herrenschmidt To: Stefan Roese In-Reply-To: <200712021332.29074.sr@denx.de> References: <20071130061155.41D71DDF5F@ozlabs.org> <200712021332.29074.sr@denx.de> Content-Type: text/plain Date: Mon, 03 Dec 2007 07:33:41 +1100 Message-Id: <1196627621.13230.156.camel@pasglop> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org Reply-To: benh@kernel.crashing.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Sun, 2007-12-02 at 13:32 +0100, Stefan Roese wrote: > As already mentioned I'm experiencing some problems with this current > version. > At least what's available in Josh's 2.6.25-candidates branch. The > kernel > crashes in the first ppc4xx_pciex_read_config() call upon (after I > fixed the > small problem mentioned further down below): > > BUG_ON(hose != port->hose); > > So before digging into this deeper, I wanted to check if you don't > have a > slightly "better" version which passed your tests with the sky2 PCIe > card. Yup, looks I forgot a quilt ref or something. I'll check. I'll also give port 1 and 2 a go (after fixing the DT). I also want to change the config space code to use some fixmap type direct mapping/unmapping to remove bus number limitations as soon as Kumar has implemented the fixmap stuff, since he seems to be working on it now. Ben.