From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753270AbcDTPDD (ORCPT ); Wed, 20 Apr 2016 11:03:03 -0400 Received: from mx2.suse.de ([195.135.220.15]:46078 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751069AbcDTPDC (ORCPT ); Wed, 20 Apr 2016 11:03:02 -0400 Date: Wed, 20 Apr 2016 17:02:58 +0200 From: Johannes Thumshirn To: Andreas Werner Cc: morbidrsa@gmail.com, jthumshirn@suse.de, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] mcb: Replace ioremap and request_region with the devm version Message-ID: <20160420150258.GH28402@c203.arch.suse.de> References: <8084af1d11d7aa1d6c9e047f2d46d117bb36fc46.1461158147.git.andreas.werner@men.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <8084af1d11d7aa1d6c9e047f2d46d117bb36fc46.1461158147.git.andreas.werner@men.de> User-Agent: Mutt/1.6.0 (2016-04-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 20, 2016 at 03:17:55PM +0200, Andreas Werner wrote: > Replaced ioremap with devm_ioremap and request_mem_region with > devm_request_mem_region. This makes the code much more cleaner. > > Signed-off-by: Andreas Werner > --- > drivers/mcb/mcb-pci.c | 19 +++++++------------ > 1 file changed, 7 insertions(+), 12 deletions(-) > > diff --git a/drivers/mcb/mcb-pci.c b/drivers/mcb/mcb-pci.c > index 67d5e7d..99dd9db 100644 > --- a/drivers/mcb/mcb-pci.c > +++ b/drivers/mcb/mcb-pci.c > @@ -55,19 +55,20 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) > goto out_disable; > } > > - res = request_mem_region(priv->mapbase, CHAM_HEADER_SIZE, > - KBUILD_MODNAME); > + res = devm_request_mem_region(&pdev->dev, priv->mapbase, > + CHAM_HEADER_SIZE, > + KBUILD_MODNAME); > if (!res) { > dev_err(&pdev->dev, "Failed to request PCI memory\n"); > ret = -EBUSY; > goto out_disable; > } > > - priv->base = ioremap(priv->mapbase, CHAM_HEADER_SIZE); > + priv->base = devm_ioremap(&pdev->dev, priv->mapbase, CHAM_HEADER_SIZE); > if (!priv->base) { > dev_err(&pdev->dev, "Cannot ioremap\n"); > ret = -ENOMEM; > - goto out_release; > + goto out_disable; > } > > flags = pci_resource_flags(pdev, 0); > @@ -75,7 +76,7 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) > ret = -ENOTSUPP; > dev_err(&pdev->dev, > "IO mapped PCI devices are not supported\n"); > - goto out_iounmap; > + goto out_disable; > } > > pci_set_drvdata(pdev, priv); > @@ -83,7 +84,7 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) > priv->bus = mcb_alloc_bus(&pdev->dev); > if (IS_ERR(priv->bus)) { > ret = PTR_ERR(priv->bus); > - goto out_iounmap; > + goto out_disable; > } > > priv->bus->get_irq = mcb_pci_get_irq; > @@ -101,10 +102,6 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) > > out_mcb_bus: > mcb_release_bus(priv->bus); > -out_iounmap: > - iounmap(priv->base); > -out_release: > - pci_release_region(pdev, 0); > out_disable: > pci_disable_device(pdev); > return ret; > @@ -116,8 +113,6 @@ static void mcb_pci_remove(struct pci_dev *pdev) > > mcb_release_bus(priv->bus); > > - iounmap(priv->base); > - release_region(priv->mapbase, CHAM_HEADER_SIZE); > pci_disable_device(pdev); > } > > -- > 2.6.2 > Applied to mcb-for-v4.7, Thanks -- Johannes Thumshirn Storage jthumshirn@suse.de +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850