From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [103.22.144.67]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id B8FBF1A0198 for ; Wed, 12 Nov 2014 08:12:56 +1100 (AEDT) Received: from mail-ig0-x232.google.com (mail-ig0-x232.google.com [IPv6:2607:f8b0:4001:c05::232]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3F05214012C for ; Wed, 12 Nov 2014 08:12:55 +1100 (AEDT) Received: by mail-ig0-f178.google.com with SMTP id a13so1755046igq.11 for ; Tue, 11 Nov 2014 13:12:53 -0800 (PST) Date: Tue, 11 Nov 2014 14:12:48 -0700 From: Bjorn Helgaas To: Benjamin Herrenschmidt Subject: Re: [PATCH v3 4/7] sound/radeon: Add quirk for broken 64-bit MSI Message-ID: <20141111211248.GI28161@google.com> References: <1412656696.30859.122.camel@pasglop> <1412746096.30859.229.camel@pasglop> <20141015221914.GD15225@google.com> <1413413732.11213.27.camel@pasglop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1413413732.11213.27.camel@pasglop> Cc: linuxppc-dev@ozlabs.org, Dave Airlie , Linux PCI , Anton Blanchard , Takashi Iwai , Yijing Wang , Brian King , Alex Deucher List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, Oct 16, 2014 at 09:55:32AM +1100, Benjamin Herrenschmidt wrote: > On Wed, 2014-10-15 at 16:19 -0600, Bjorn Helgaas wrote: > > PCI/MSI: Add device flag indicating that 64-bit MSIs don't work > > > > I'd be happy to merge it, but given what I know now, I would wait and merge > > it during the v3.19 merge window. It sounds like it's more urgent than > > that and should be merged earlier, but from the changelogs, it looks like > > we're just replacing the powerpc-specific quirk with a more generic one. > > > > So I assume you'll merge it via powerpc unless I hear otherwise. > > Either way works but it's easy to keep it all in one series in one tree. > > The urgency is that the current powerpc quirk works only with one specific > card (ie, one device ID for gfx and one for audio) and misses the DMA limitation > of the sound driver (which is a somewhat orthogonal issue but the patch for it is > in the series). > > Any other radeon card causes the machine to crash at boot (the driver doesn't > recover well from the EEH error triggered by the bad MSI address and the world > falls over from there). > > So I want this to go back into distros. I'm still assuming you're going to merge this series, but I don't see it in your tree (https://git.kernel.org/cgit/linux/kernel/git/benh/powerpc.git/) yet. Do you want me to do anything with it? Bjorn