From mboxrd@z Thu Jan 1 00:00:00 1970 From: Philip Langdale Subject: Re: [PATCH v2] port ricoh_mmc to be pci quirk Date: Tue, 12 Jan 2010 17:23:59 -0800 Message-ID: <20100112172359.7ae7b30b@fido2.homeip.net> References: <1259021583.16650.9.camel@maxim-laptop> <20091123162119.3777e14d@fido2.homeip.net> <1259160947.10147.1.camel@maxim-laptop> <1259161121.10147.4.camel@maxim-laptop> <20091125085324.1ef9ae1f@fido2.homeip.net> <20091125113501.1f4d42b9.akpm@linux-foundation.org> <1259192401.15916.48.camel@maxim-laptop> <20091125173019.74d0ddb9@fido2.homeip.net> <1259279520.3991.5.camel@maxim-laptop> <1259279584.3991.6.camel@maxim-laptop> <20091126235551.2db699e3@fido2.homeip.net> <1262964284.12577.27.camel@maxim-laptop> <20100108074001.5df6c997@fido2.homeip.net> <20100112154350.8fa96829.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20100112154350.8fa96829.akpm@linux-foundation.org> Sender: linux-kernel-owner@vger.kernel.org To: Andrew Morton Cc: Maxim Levitsky , Pierre Ossman , linux-kernel , linux-mmc@vger.kernel.org List-Id: linux-mmc@vger.kernel.org On Tue, 12 Jan 2010 15:43:50 -0800 Andrew Morton wrote: > (cc linux-mmc) > > On Fri, 8 Jan 2010 07:40:01 -0800 > Philip Langdale wrote: > > > On Fri, 08 Jan 2010 17:24:44 +0200 > > Maxim Levitsky wrote: > > > > > On Thu, 2009-11-26 at 23:55 -0800, Philip Langdale wrote: > > > > On Fri, 27 Nov 2009 01:53:04 +0200 > > > > Maxim Levitsky wrote: > > > > > > > > > >From 2d3002e29c329d76ca4e26d9f427814151a9648c Mon Sep 17 > > > > > >00:00:00 2001 > > > > > From: Maxim Levitsky > > > > > Date: Fri, 27 Nov 2009 00:53:28 +0200 > > > > > Subject: [PATCH] port ricoh_mmc to be pci quirk > > > > > > > > > > This patch solves nasty problem original driver has. > > > > > Original goal of the ricoh_mmc was to disable this device > > > > > because then, mmc cards can be read using standard SDHCI > > > > > controller, thus avoiding writing of yet another driver. > > > > > However, the act of disablement, makes other pci functions > > > > > that belong to this controller (xD and memstick) shift up one > > > > > level, thus pci core has now wrong idea about these devices. > > > > > > > > > > To fix this issue, this patch moves the driver into pci quirk > > > > > section, thus it is executes before the pci is enumerated, and > > > > > therefore solving that issue, also same sequence of commands > > > > > is performed on resume for same reasons. > > > > > > > > > > Also regardless of the above, this way is cleaner. > > > > > > > > > > You still need to set CONFIG_MMC_RICOH_MMC > > > > > to enable this quirk > > > > > > > > I like it. Only comment is that I'd like the printks to identify > > > > which controller is involved. If Andrew is happy with the CONFIG > > > > mechanism, then you've got an ack from me. > > > > > > > > Thanks for doing this. > > > > > > Hi, do you plan to include this patch in the kernel? > > > > That's Andrew's call, but to the extent that my opinion matters, I > > support it being included. > > > > I have a note here that Pierre had issues with the patch. I'm > uncertain whether those are now resolved? The last comment from Pierre I have is from the 25th of November and says: > I have no objections to this patch. :-) --phil