From patchwork Tue Sep 18 23:58:47 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Keith Busch X-Patchwork-Id: 10605089 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2439117E0 for ; Tue, 18 Sep 2018 23:59:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1445D2BC0A for ; Tue, 18 Sep 2018 23:59:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0871B2BC23; Tue, 18 Sep 2018 23:59:00 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A37212BBA6 for ; Tue, 18 Sep 2018 23:58:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729902AbeISFeA (ORCPT ); Wed, 19 Sep 2018 01:34:00 -0400 Received: from mga05.intel.com ([192.55.52.43]:41235 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727818AbeISFd7 (ORCPT ); Wed, 19 Sep 2018 01:33:59 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 18 Sep 2018 16:58:57 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,391,1531810800"; d="scan'208";a="74110597" Received: from unknown (HELO localhost.lm.intel.com) ([10.232.112.44]) by orsmga007.jf.intel.com with ESMTP; 18 Sep 2018 16:57:12 -0700 From: Keith Busch To: Linux PCI , Bjorn Helgaas Cc: Benjamin Herrenschmidt , Sinan Kaya , Thomas Tai , poza@codeaurora.org, Lukas Wunner , Christoph Hellwig , Mika Westerberg , Keith Busch Subject: [PATCH 11/12] PCI/AER: Use managed resource allocations Date: Tue, 18 Sep 2018 17:58:47 -0600 Message-Id: <20180918235848.26694-12-keith.busch@intel.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20180918235848.26694-1-keith.busch@intel.com> References: <20180918235848.26694-1-keith.busch@intel.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This uses the managed device resource allocations for the service data so that the aer driver doesn't need to manage it, further simplifying this driver. Signed-off-by: Keith Busch --- drivers/pci/pcie/aer.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-) diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c index 1878d9d7760b..7ecad011458d 100644 --- a/drivers/pci/pcie/aer.c +++ b/drivers/pci/pcie/aer.c @@ -1366,11 +1366,7 @@ static void aer_remove(struct pcie_device *dev) { struct aer_rpc *rpc = get_service_data(dev); - if (rpc) { - aer_disable_rootport(rpc); - kfree(rpc); - set_service_data(dev, NULL); - } + aer_disable_rootport(rpc); } /** @@ -1383,10 +1379,9 @@ static int aer_probe(struct pcie_device *dev) { int status; struct aer_rpc *rpc; - struct device *device = &dev->port->device; + struct device *device = &dev->device; - /* Alloc rpc data structure */ - rpc = kzalloc(sizeof(struct aer_rpc), GFP_KERNEL); + rpc = devm_kzalloc(device, sizeof(struct aer_rpc), GFP_KERNEL); if (!rpc) { dev_printk(KERN_DEBUG, device, "alloc AER rpc failed\n"); return -ENOMEM; @@ -1394,13 +1389,11 @@ static int aer_probe(struct pcie_device *dev) rpc->rpd = dev->port; set_service_data(dev, rpc); - /* Request IRQ ISR */ - status = request_threaded_irq(dev->irq, aer_irq, aer_isr, - IRQF_SHARED, "aerdrv", dev); + status = devm_request_threaded_irq(device, dev->irq, aer_irq, aer_isr, + IRQF_SHARED, "aerdrv", dev); if (status) { dev_printk(KERN_DEBUG, device, "request AER IRQ %d failed\n", dev->irq); - aer_remove(dev); return status; }