Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759375AbaJ3Lpp (ORCPT ); Thu, 30 Oct 2014 07:45:45 -0400 Received: from mail-lb0-f174.google.com ([209.85.217.174]:59668 "EHLO mail-lb0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759041AbaJ3Lpo (ORCPT ); Thu, 30 Oct 2014 07:45:44 -0400 MIME-Version: 1.0 In-Reply-To: References: <1414655193-16952-1-git-send-email-pramod.gurav@smartplayin.com> Date: Thu, 30 Oct 2014 17:15:42 +0530 Message-ID: Subject: Re: [PATCH v2] mmc: davinci: Fix and simplify probe failure path From: Pramod Gurav To: Ulf Hansson Cc: Pramod Gurav , "linux-kernel@vger.kernel.org" , Chris Ball , linux-mmc Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thanks Ulf, On Thu, Oct 30, 2014 at 4:38 PM, Ulf Hansson wrote: > On 30 October 2014 08:46, Pramod Gurav wrote: >> The sequence of resource release in probe failure path in this >> driver was wrong and needed fixes to cleanly unload the driver. >> This changes does the same by switching to managed resources and >> fixes return path to release resource in proper sequence. >> >> Cc: Chris Ball >> Cc: Ulf Hansson >> Cc: linux-mmc@vger.kernel.org > > Please remove these Ccs above from the commit message. It's not needed > when you anyway need to send the patches directly to these addresses. Will remove Cc. > >> Signed-off-by: Pramod Gurav >> --- .. >> >> host = mmc_priv(mmc); >> host->mmc = mmc; /* Important */ >> @@ -1275,15 +1273,16 @@ static int __init davinci_mmcsd_probe(struct platform_device *pdev) >> host->txdma = r->start; >> >> host->mem_res = mem; >> - host->base = ioremap(mem->start, mem_size); >> - if (!host->base) >> - goto out; >> + host->base = devm_ioremap(&pdev->dev, mem->start, mem_size); > > I realized that you should use devm_ioremap_resource() instead. That > would simplify the code even more. > Yes, we could have used devm_ioremap_resource() but this driver stores the return from devm_request_mem_region() in host->mem_res and uses the same in the other part of drivers. Is there a way to work this around? > [...] > > Kind regards > Uffe > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- Thanks and Regards Pramod -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/