From patchwork Sun Aug 27 13:36:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ilpo_J=C3=A4rvinen?= X-Patchwork-Id: 1826534 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=GUNmTWfU; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pci-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RYZX24h2Hz1yfr for ; Sun, 27 Aug 2023 23:38:26 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231130AbjH0Nhz (ORCPT ); Sun, 27 Aug 2023 09:37:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53814 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231160AbjH0Nh0 (ORCPT ); Sun, 27 Aug 2023 09:37:26 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2256EEB; Sun, 27 Aug 2023 06:37:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1693143443; x=1724679443; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=EIzH6I89fHcXXY3uRmCZDeB2Y9jdsZHRRgZCynpqYTM=; b=GUNmTWfUnQ3USJ2i76sdpcu2Z5viK76MZf3bg4btBT6emCFd7cy4cXvb 3iaOh5um5DJ4cuRPMVyOKx5ptiom3dofpLdUPFhe64XWI6bT278HS/8D8 nbwZ7/tyboK4lJrhL0LNq/2Fl7HDoY8puPx/jAnH51uRkf6CSu4lCH5/j ZGDxSgrUkjgt50rHe7AP50GmSVnk06AIk416P+QgTLgHKem0fi+P3VmkF e1yOQiSyidL/MKLMbiJdsGaE63yweeDxH8q7rWGsBBpLRvt8b3b+Fvtvt FhSuBhS+SNQPfZBtQnbUTdjWMyjZKjfKy9Ec4oXMcZLTIIeKbsMfMvToR w==; X-IronPort-AV: E=McAfee;i="6600,9927,10815"; a="354470982" X-IronPort-AV: E=Sophos;i="6.02,205,1688454000"; d="scan'208";a="354470982" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2023 06:37:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10815"; a="1068752085" X-IronPort-AV: E=Sophos;i="6.02,205,1688454000"; d="scan'208";a="1068752085" Received: from dplotkin-mobl.ger.corp.intel.com (HELO ijarvine-mobl2.ger.corp.intel.com) ([10.249.41.231]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2023 06:37:19 -0700 From: =?utf-8?q?Ilpo_J=C3=A4rvinen?= To: linux-pci@vger.kernel.org, Bjorn Helgaas , Andi Shyti , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Richard Henderson , Ivan Kokshaysky , Matt Turner , linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org Cc: =?utf-8?q?Ilpo_J=C3=A4rvinen?= Subject: [PATCH v2 1/8] alpha: Streamline convoluted PCI error handling Date: Sun, 27 Aug 2023 16:36:58 +0300 Message-Id: <20230827133705.12991-2-ilpo.jarvinen@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230827133705.12991-1-ilpo.jarvinen@linux.intel.com> References: <20230827133705.12991-1-ilpo.jarvinen@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org miata_map_irq() handles PCI device and read config related errors in a conditional block that is more complex than necessary. Streamline the code flow and error handling. No functional changes intended. Signed-off-by: Ilpo Järvinen --- arch/alpha/kernel/sys_miata.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/arch/alpha/kernel/sys_miata.c b/arch/alpha/kernel/sys_miata.c index e1bee8f84c58..33b2798de8fc 100644 --- a/arch/alpha/kernel/sys_miata.c +++ b/arch/alpha/kernel/sys_miata.c @@ -183,16 +183,17 @@ miata_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) the 2nd 8259 controller. So we have to check for it first. */ if((slot == 7) && (PCI_FUNC(dev->devfn) == 3)) { - u8 irq=0; struct pci_dev *pdev = pci_get_slot(dev->bus, dev->devfn & ~7); - if(pdev == NULL || pci_read_config_byte(pdev, 0x40,&irq) != PCIBIOS_SUCCESSFUL) { - pci_dev_put(pdev); + u8 irq = 0; + int ret; + + if (!pdev) return -1; - } - else { - pci_dev_put(pdev); - return irq; - } + + ret = pci_read_config_byte(pdev, 0x40, &irq); + pci_dev_put(pdev); + + return ret == PCIBIOS_SUCCESSFUL ? irq : -1; } return COMMON_TABLE_LOOKUP; From patchwork Sun Aug 27 13:36:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ilpo_J=C3=A4rvinen?= X-Patchwork-Id: 1826536 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=c27/cJZJ; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pci-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RYZX2728Kz1ygC for ; Sun, 27 Aug 2023 23:38:26 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231180AbjH0Nh4 (ORCPT ); Sun, 27 Aug 2023 09:37:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231166AbjH0Nha (ORCPT ); Sun, 27 Aug 2023 09:37:30 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B0E4BCC; Sun, 27 Aug 2023 06:37:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1693143447; x=1724679447; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=iD9HRyD0KJRVLCjxnACjZ/+u4DqubwXyNxaFZpoZ8zI=; b=c27/cJZJDQl+k+IGt76FryBkDULuYjUHMmlAgYRrYwpnyMpc8gqHtdKz 1MSK4LXK+wqCGQhceJJY4mhVpclHGWnEX4TmwGDGllscORCvMlUDm5jQ5 6YxFpq5sFmokZ5wl8cC1FFkcG1Fq8Z8mgSL5qP52gJTxQNM6uXwe670FU T+joyKRuj+2pslVACtr1kXDLacuxHpHo7H2BlQs3tvWrQraGq0qzpTsJG WFjQPtVxe+bB1RMqm8ADitUFKjmYWDEiz7IEYi29hdpB4yzIgqJF6svyl wUtlisqDh524GgUP0qgOLCqEhExILqvC1SvHHvvjf+0Yuyb9HN/iNUIbv w==; X-IronPort-AV: E=McAfee;i="6600,9927,10815"; a="354470995" X-IronPort-AV: E=Sophos;i="6.02,205,1688454000"; d="scan'208";a="354470995" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2023 06:37:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10815"; a="1068752102" X-IronPort-AV: E=Sophos;i="6.02,205,1688454000"; d="scan'208";a="1068752102" Received: from dplotkin-mobl.ger.corp.intel.com (HELO ijarvine-mobl2.ger.corp.intel.com) ([10.249.41.231]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2023 06:37:24 -0700 From: =?utf-8?q?Ilpo_J=C3=A4rvinen?= To: linux-pci@vger.kernel.org, Bjorn Helgaas , Andi Shyti , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Thomas Bogendoerfer , linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org Cc: =?utf-8?q?Ilpo_J=C3=A4rvinen?= Subject: [PATCH v2 2/8] MIPS: TXx9: Do PCI error checks on own line Date: Sun, 27 Aug 2023 16:36:59 +0300 Message-Id: <20230827133705.12991-3-ilpo.jarvinen@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230827133705.12991-1-ilpo.jarvinen@linux.intel.com> References: <20230827133705.12991-1-ilpo.jarvinen@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Instead of if conditions with line splits, use the usual error handling pattern with a separate variable to improve readability. The second check can use reverse logic which reduces indentation level. No functional changes intended. Signed-off-by: Ilpo Järvinen Reviewed-by: Philippe Mathieu-Daudé --- arch/mips/txx9/generic/pci.c | 43 +++++++++++++++++++----------------- 1 file changed, 23 insertions(+), 20 deletions(-) diff --git a/arch/mips/txx9/generic/pci.c b/arch/mips/txx9/generic/pci.c index e98845543b77..5ae30b78d38d 100644 --- a/arch/mips/txx9/generic/pci.c +++ b/arch/mips/txx9/generic/pci.c @@ -51,6 +51,7 @@ int __init txx9_pci66_check(struct pci_controller *hose, int top_bus, unsigned short vid; int cap66 = -1; u16 stat; + int ret; /* It seems SLC90E66 needs some time after PCI reset... */ mdelay(80); @@ -60,9 +61,9 @@ int __init txx9_pci66_check(struct pci_controller *hose, int top_bus, for (pci_devfn = 0; pci_devfn < 0xff; pci_devfn++) { if (PCI_FUNC(pci_devfn)) continue; - if (early_read_config_word(hose, top_bus, current_bus, - pci_devfn, PCI_VENDOR_ID, &vid) != - PCIBIOS_SUCCESSFUL) + ret = early_read_config_word(hose, top_bus, current_bus, + pci_devfn, PCI_VENDOR_ID, &vid); + if (ret != PCIBIOS_SUCCESSFUL) continue; if (vid == 0xffff) continue; @@ -343,26 +344,28 @@ static void tc35815_fixup(struct pci_dev *dev) static void final_fixup(struct pci_dev *dev) { + unsigned long timeout; unsigned char bist; + int ret; /* Do build-in self test */ - if (pci_read_config_byte(dev, PCI_BIST, &bist) == PCIBIOS_SUCCESSFUL && - (bist & PCI_BIST_CAPABLE)) { - unsigned long timeout; - pci_set_power_state(dev, PCI_D0); - pr_info("PCI: %s BIST...", pci_name(dev)); - pci_write_config_byte(dev, PCI_BIST, PCI_BIST_START); - timeout = jiffies + HZ * 2; /* timeout after 2 sec */ - do { - pci_read_config_byte(dev, PCI_BIST, &bist); - if (time_after(jiffies, timeout)) - break; - } while (bist & PCI_BIST_START); - if (bist & (PCI_BIST_CODE_MASK | PCI_BIST_START)) - pr_cont("failed. (0x%x)\n", bist); - else - pr_cont("OK.\n"); - } + ret = pci_read_config_byte(dev, PCI_BIST, &bist); + if ((ret != PCIBIOS_SUCCESSFUL) || !(bist & PCI_BIST_CAPABLE)) + return; + + pci_set_power_state(dev, PCI_D0); + pr_info("PCI: %s BIST...", pci_name(dev)); + pci_write_config_byte(dev, PCI_BIST, PCI_BIST_START); + timeout = jiffies + HZ * 2; /* timeout after 2 sec */ + do { + pci_read_config_byte(dev, PCI_BIST, &bist); + if (time_after(jiffies, timeout)) + break; + } while (bist & PCI_BIST_START); + if (bist & (PCI_BIST_CODE_MASK | PCI_BIST_START)) + pr_cont("failed. (0x%x)\n", bist); + else + pr_cont("OK.\n"); } #ifdef CONFIG_TOSHIBA_FPCIB0 From patchwork Sun Aug 27 13:37:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ilpo_J=C3=A4rvinen?= X-Patchwork-Id: 1826537 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=UwmpY7wJ; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pci-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RYZX320nxz1yhY for ; Sun, 27 Aug 2023 23:38:27 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231179AbjH0Nh5 (ORCPT ); Sun, 27 Aug 2023 09:37:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56074 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231178AbjH0Nhe (ORCPT ); Sun, 27 Aug 2023 09:37:34 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6CEEEBF; Sun, 27 Aug 2023 06:37:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1693143452; x=1724679452; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=tnx7Bflw7Y/aVGaG8EH0QBwqdgCKqxJb3mqsR3QL2Es=; b=UwmpY7wJMrGnknhcUFiJBm8SVMv6W83CUB3e6L0s8YXoB+5MGgZBZ5B7 oPVX0tsrP1AmUvoVo0mDNhDUKa8JP79AHXwv0+YCKwfzTE8dCIHr+KUua UISiDkcnvZ2a+uwxrv6mOri2yvdmjs2JeLu9NV9FKWFFhYYwUQvkhBd02 f4I0w66q8ZL0TvhfAWPyGeFoxryhn9NTpfzRzX04NgZCa+x/V50TMmGgb voNtzUXJHn6a9b+XBlLidw70LMg2XI8I5sHpaUIwveloE1+B74uEe0L5E CcRj9Z6bHCm22Qia1182g9rIeLzz9XD9a0SlyvlZUM2VVperR9S1MNoQq A==; X-IronPort-AV: E=McAfee;i="6600,9927,10815"; a="354471005" X-IronPort-AV: E=Sophos;i="6.02,205,1688454000"; d="scan'208";a="354471005" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2023 06:37:32 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10815"; a="1068752128" X-IronPort-AV: E=Sophos;i="6.02,205,1688454000"; d="scan'208";a="1068752128" Received: from dplotkin-mobl.ger.corp.intel.com (HELO ijarvine-mobl2.ger.corp.intel.com) ([10.249.41.231]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2023 06:37:28 -0700 From: =?utf-8?q?Ilpo_J=C3=A4rvinen?= To: linux-pci@vger.kernel.org, Bjorn Helgaas , Andi Shyti , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org Cc: =?utf-8?q?Ilpo_J=C3=A4rvinen?= Subject: [PATCH v2 3/8] sh: pci: Do PCI error check on own line Date: Sun, 27 Aug 2023 16:37:00 +0300 Message-Id: <20230827133705.12991-4-ilpo.jarvinen@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230827133705.12991-1-ilpo.jarvinen@linux.intel.com> References: <20230827133705.12991-1-ilpo.jarvinen@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Instead of a if condition with a line split, use the usual error handling pattern with a separate variable to improve readability. No functional changes intended. Signed-off-by: Ilpo Järvinen Acked-by: John Paul Adrian Glaubitz --- arch/sh/drivers/pci/common.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/arch/sh/drivers/pci/common.c b/arch/sh/drivers/pci/common.c index 2fd2b77e12ce..f59e5b9a6a80 100644 --- a/arch/sh/drivers/pci/common.c +++ b/arch/sh/drivers/pci/common.c @@ -53,15 +53,16 @@ int __init pci_is_66mhz_capable(struct pci_channel *hose, unsigned short vid; int cap66 = -1; u16 stat; + int ret; pr_info("PCI: Checking 66MHz capabilities...\n"); for (pci_devfn = 0; pci_devfn < 0xff; pci_devfn++) { if (PCI_FUNC(pci_devfn)) continue; - if (early_read_config_word(hose, top_bus, current_bus, - pci_devfn, PCI_VENDOR_ID, &vid) != - PCIBIOS_SUCCESSFUL) + ret = early_read_config_word(hose, top_bus, current_bus, + pci_devfn, PCI_VENDOR_ID, &vid); + if (ret != PCIBIOS_SUCCESSFUL) continue; if (vid == 0xffff) continue; From patchwork Sun Aug 27 13:37:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ilpo_J=C3=A4rvinen?= X-Patchwork-Id: 1826538 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=M1j/VzE2; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pci-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RYZX35Zxzz26jK for ; Sun, 27 Aug 2023 23:38:27 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231228AbjH0Nh6 (ORCPT ); Sun, 27 Aug 2023 09:37:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48928 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231252AbjH0Nhm (ORCPT ); Sun, 27 Aug 2023 09:37:42 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6EFF418D; Sun, 27 Aug 2023 06:37:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1693143458; x=1724679458; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=RKVN1bWO+6tJ6WlmxsOXbk1vq7oGMYXcJ+RHQjqKcpI=; b=M1j/VzE2owymIttDRH7CpB18nft2F8ryiP2IJkji3PYzExMRcjAvTxmU dQW8Kndd32OrQ5FOc9dmb8bkE11X1Ma48TOREPh0v28/QEC3B/319yS3C ZagnVz7I/qRhOOC0hLGwXR3CuFFZA32iBRQ1CAqKh3pzk41LV1yyT9hIu yi2IBpHjY1jGQN2ca/QzlaZ38CnYARDRCTemws8nSIks6S2q46T4nTMTn M4tRu8FcYmgFyuCVam0+TLloG323ghzpUscNn8iSceE9j5xTYtgDTfca7 08+D+3zJlqzoCr+ow7b+9UKhF/VIY0u5U6fDh4lRhufZQTyiMrlcb1YB+ w==; X-IronPort-AV: E=McAfee;i="6600,9927,10815"; a="354471018" X-IronPort-AV: E=Sophos;i="6.02,205,1688454000"; d="scan'208";a="354471018" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2023 06:37:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10815"; a="1068752164" X-IronPort-AV: E=Sophos;i="6.02,205,1688454000"; d="scan'208";a="1068752164" Received: from dplotkin-mobl.ger.corp.intel.com (HELO ijarvine-mobl2.ger.corp.intel.com) ([10.249.41.231]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2023 06:37:34 -0700 From: =?utf-8?q?Ilpo_J=C3=A4rvinen?= To: linux-pci@vger.kernel.org, Bjorn Helgaas , Andi Shyti , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Chas Williams <3chas3@gmail.com>, linux-atm-general@lists.sourceforge.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: =?utf-8?q?Ilpo_J=C3=A4rvinen?= Subject: [PATCH v2 4/8] atm: iphase: Do PCI error checks on own line Date: Sun, 27 Aug 2023 16:37:01 +0300 Message-Id: <20230827133705.12991-5-ilpo.jarvinen@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230827133705.12991-1-ilpo.jarvinen@linux.intel.com> References: <20230827133705.12991-1-ilpo.jarvinen@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org In get_esi() PCI errors are checked inside line-split if conditions (in addition to the file not following the coding style). To make the code in get_esi() more readable, fix the coding style and use the usual error handling pattern with a separate variable. In addition, initialization of 'error' variable at declaration is not needed. No function changes intended. Signed-off-by: Ilpo Järvinen --- drivers/atm/iphase.c | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c index 324148686953..9bba8f280a4d 100644 --- a/drivers/atm/iphase.c +++ b/drivers/atm/iphase.c @@ -2291,19 +2291,21 @@ static int get_esi(struct atm_dev *dev) static int reset_sar(struct atm_dev *dev) { IADEV *iadev; - int i, error = 1; + int i, error; unsigned int pci[64]; iadev = INPH_IA_DEV(dev); - for(i=0; i<64; i++) - if ((error = pci_read_config_dword(iadev->pci, - i*4, &pci[i])) != PCIBIOS_SUCCESSFUL) - return error; + for (i = 0; i < 64; i++) { + error = pci_read_config_dword(iadev->pci, i * 4, &pci[i]); + if (error != PCIBIOS_SUCCESSFUL) + return error; + } writel(0, iadev->reg+IPHASE5575_EXT_RESET); - for(i=0; i<64; i++) - if ((error = pci_write_config_dword(iadev->pci, - i*4, pci[i])) != PCIBIOS_SUCCESSFUL) - return error; + for (i = 0; i < 64; i++) { + error = pci_write_config_dword(iadev->pci, i * 4, pci[i]); + if (error != PCIBIOS_SUCCESSFUL) + return error; + } udelay(5); return 0; } From patchwork Sun Aug 27 13:37:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ilpo_J=C3=A4rvinen?= X-Patchwork-Id: 1826540 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=NC3IlOXP; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pci-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RYZX61y2Pz26jN for ; Sun, 27 Aug 2023 23:38:30 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231238AbjH0Nh7 (ORCPT ); Sun, 27 Aug 2023 09:37:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49056 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231308AbjH0Nhr (ORCPT ); Sun, 27 Aug 2023 09:37:47 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D57A0EB; Sun, 27 Aug 2023 06:37:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1693143462; x=1724679462; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Hp62hkXnsdbPu6r2nygWmKt+RVTGhVdLv7Jsjvo35+0=; b=NC3IlOXPtjvOgR/OBY9I/KiVtbydBD23aUUa17zW8+kNMOmQY0urLv8t gpTsnYuPFkTNl0tZ+oOCUmAVy0wmdFNn3wLVJn5OXPS6Esa61lZHxJifE aTvk6ES/MTWTKJJDf+3vvAAnCTxhyLqiAAPx7OKA5pGCt+1n8q+xRyDlW U2ZlgX6V5DR6BoLmf1qWEV+Vy5CR53+x+p7T9n6B//8K1oWWHweBTZQc1 H9s0gM5t3pXwAmP9UhvfZQn7B6nNAEn9ROKj5l2Ntaa4Kx7Lr8tYEeL9N /1qXOITJ3Jk4BrCioAJpFJsNUvjnUiKCqtpUsHQPCvgwStQnXbzG/z/Eh Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10815"; a="354471028" X-IronPort-AV: E=Sophos;i="6.02,205,1688454000"; d="scan'208";a="354471028" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2023 06:37:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10815"; a="1068752176" X-IronPort-AV: E=Sophos;i="6.02,205,1688454000"; d="scan'208";a="1068752176" Received: from dplotkin-mobl.ger.corp.intel.com (HELO ijarvine-mobl2.ger.corp.intel.com) ([10.249.41.231]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2023 06:37:39 -0700 From: =?utf-8?q?Ilpo_J=C3=A4rvinen?= To: linux-pci@vger.kernel.org, Bjorn Helgaas , Andi Shyti , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Jean Delvare , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Cc: =?utf-8?q?Ilpo_J=C3=A4rvinen?= Subject: [PATCH v2 5/8] I2C: ali15x3: Do PCI error checks on own line Date: Sun, 27 Aug 2023 16:37:02 +0300 Message-Id: <20230827133705.12991-6-ilpo.jarvinen@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230827133705.12991-1-ilpo.jarvinen@linux.intel.com> References: <20230827133705.12991-1-ilpo.jarvinen@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Instead of if conditions with line splits, use the usual error handling pattern with a separate variable to improve readability. No functional changes intended. Signed-off-by: Ilpo Järvinen Reviewed-by: Andi Shyti --- drivers/i2c/busses/i2c-ali15x3.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/i2c/busses/i2c-ali15x3.c b/drivers/i2c/busses/i2c-ali15x3.c index cc58feacd082..0231c5be6354 100644 --- a/drivers/i2c/busses/i2c-ali15x3.c +++ b/drivers/i2c/busses/i2c-ali15x3.c @@ -165,14 +165,15 @@ static int ali15x3_setup(struct pci_dev *ALI15X3_dev) } if(force_addr) { + int ret; + dev_info(&ALI15X3_dev->dev, "forcing ISA address 0x%04X\n", ali15x3_smba); - if (PCIBIOS_SUCCESSFUL != pci_write_config_word(ALI15X3_dev, - SMBBA, - ali15x3_smba)) + ret = pci_write_config_word(ALI15X3_dev, SMBBA, ali15x3_smba); + if (ret != PCIBIOS_SUCCESSFUL) goto error; - if (PCIBIOS_SUCCESSFUL != pci_read_config_word(ALI15X3_dev, - SMBBA, &a)) + ret = pci_read_config_word(ALI15X3_dev, SMBBA, &a); + if (ret != PCIBIOS_SUCCESSFUL) goto error; if ((a & ~(ALI15X3_SMB_IOSIZE - 1)) != ali15x3_smba) { /* make sure it works */ From patchwork Sun Aug 27 13:37:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ilpo_J=C3=A4rvinen?= X-Patchwork-Id: 1826543 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=YF5n4QS5; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pci-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RYZXc3VYPz1ygC for ; Sun, 27 Aug 2023 23:38:56 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231173AbjH0Nib (ORCPT ); Sun, 27 Aug 2023 09:38:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50724 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231326AbjH0Nhy (ORCPT ); Sun, 27 Aug 2023 09:37:54 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 24A8911C; Sun, 27 Aug 2023 06:37:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1693143467; x=1724679467; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=a9cC7XMVxGaabK3z5UOurx49JbMnDMwvJOk4xEq/etw=; b=YF5n4QS5uPmEyzuugdjdituZlK0lakrO9gh95p+o8yxWNVcL0mY5QX2g fozO5OYV0ecWQZ15AaLMAuQdmO5B6Evt+OHpXz+j0RlG7iCbA2/44Mj8b QQAa4qstRRYOh/YTqN3ewI6eLdSeEk/jbtdo2v7Uq1laZ+dFDSSlUx4eI xFV6Mrg4A5VbWTMRcCBZwV0x4AirL1Qw/vVB1nhY/hVVxp5q0Kap2CQTA 1JVfa6upKc7FAx7s/jWVpC5Jgi34drHz08sQEiOlakT4KAlvL3KQXKR0z 9tCyQ+iGg2BKmnnqa57tAjSrfFIo41ctEz8ABwGfl2hsq1VJZs2j4IaRu A==; X-IronPort-AV: E=McAfee;i="6600,9927,10815"; a="354471036" X-IronPort-AV: E=Sophos;i="6.02,205,1688454000"; d="scan'208";a="354471036" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2023 06:37:47 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10815"; a="1068752185" X-IronPort-AV: E=Sophos;i="6.02,205,1688454000"; d="scan'208";a="1068752185" Received: from dplotkin-mobl.ger.corp.intel.com (HELO ijarvine-mobl2.ger.corp.intel.com) ([10.249.41.231]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2023 06:37:44 -0700 From: =?utf-8?q?Ilpo_J=C3=A4rvinen?= To: linux-pci@vger.kernel.org, Bjorn Helgaas , Andi Shyti , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Bjorn Helgaas , linux-kernel@vger.kernel.org Cc: =?utf-8?q?Ilpo_J=C3=A4rvinen?= Subject: [PATCH v2 6/8] PCI: Do error check on own line to split long if conditions Date: Sun, 27 Aug 2023 16:37:03 +0300 Message-Id: <20230827133705.12991-7-ilpo.jarvinen@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230827133705.12991-1-ilpo.jarvinen@linux.intel.com> References: <20230827133705.12991-1-ilpo.jarvinen@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Placing PCI error code check inside if condition usually results in need to split lines. Combined with additional conditions the if condition becomes messy. Convert to the usual error handling pattern with an additional variable to improve code readability. In addition, reverse the logic in pci_find_vsec_capability() to get rid of &&. No functional changes intended. Signed-off-by: Ilpo Järvinen --- drivers/pci/pci.c | 9 ++++++--- drivers/pci/probe.c | 6 +++--- drivers/pci/quirks.c | 6 +++--- 3 files changed, 12 insertions(+), 9 deletions(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 60230da957e0..e5a58f0fe58d 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -732,15 +732,18 @@ u16 pci_find_vsec_capability(struct pci_dev *dev, u16 vendor, int cap) { u16 vsec = 0; u32 header; + int ret; if (vendor != dev->vendor) return 0; while ((vsec = pci_find_next_ext_capability(dev, vsec, PCI_EXT_CAP_ID_VNDR))) { - if (pci_read_config_dword(dev, vsec + PCI_VNDR_HEADER, - &header) == PCIBIOS_SUCCESSFUL && - PCI_VNDR_HEADER_ID(header) == cap) + ret = pci_read_config_dword(dev, vsec + PCI_VNDR_HEADER, &header); + if (ret != PCIBIOS_SUCCESSFUL) + continue; + + if (PCI_VNDR_HEADER_ID(header) == cap) return vsec; } diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 8bac3ce02609..0717ff62e54f 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1652,15 +1652,15 @@ static void pci_set_removable(struct pci_dev *dev) static bool pci_ext_cfg_is_aliased(struct pci_dev *dev) { #ifdef CONFIG_PCI_QUIRKS - int pos; + int pos, ret; u32 header, tmp; pci_read_config_dword(dev, PCI_VENDOR_ID, &header); for (pos = PCI_CFG_SPACE_SIZE; pos < PCI_CFG_SPACE_EXP_SIZE; pos += PCI_CFG_SPACE_SIZE) { - if (pci_read_config_dword(dev, pos, &tmp) != PCIBIOS_SUCCESSFUL - || header != tmp) + ret = pci_read_config_dword(dev, pos, &tmp); + if ((ret != PCIBIOS_SUCCESSFUL) || (header != tmp)) return false; } diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 321156ca273d..863b9a64c1fe 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -5381,7 +5381,7 @@ int pci_dev_specific_disable_acs_redir(struct pci_dev *dev) */ static void quirk_intel_qat_vf_cap(struct pci_dev *pdev) { - int pos, i = 0; + int pos, i = 0, ret; u8 next_cap; u16 reg16, *cap; struct pci_cap_saved_state *state; @@ -5427,8 +5427,8 @@ static void quirk_intel_qat_vf_cap(struct pci_dev *pdev) pdev->pcie_mpss = reg16 & PCI_EXP_DEVCAP_PAYLOAD; pdev->cfg_size = PCI_CFG_SPACE_EXP_SIZE; - if (pci_read_config_dword(pdev, PCI_CFG_SPACE_SIZE, &status) != - PCIBIOS_SUCCESSFUL || (status == 0xffffffff)) + ret = pci_read_config_dword(pdev, PCI_CFG_SPACE_SIZE, &status); + if ((ret != PCIBIOS_SUCCESSFUL) || (status == 0xffffffff)) pdev->cfg_size = PCI_CFG_SPACE_SIZE; if (pci_find_saved_cap(pdev, PCI_CAP_ID_EXP)) From patchwork Sun Aug 27 13:37:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ilpo_J=C3=A4rvinen?= X-Patchwork-Id: 1826541 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=MxqU1T2U; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pci-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RYZXb0MfGz1yZ9 for ; 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X-IronPort-AV: E=McAfee;i="6600,9927,10815"; a="354471047" X-IronPort-AV: E=Sophos;i="6.02,205,1688454000"; d="scan'208";a="354471047" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2023 06:37:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10815"; a="1068752191" X-IronPort-AV: E=Sophos;i="6.02,205,1688454000"; d="scan'208";a="1068752191" Received: from dplotkin-mobl.ger.corp.intel.com (HELO ijarvine-mobl2.ger.corp.intel.com) ([10.249.41.231]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2023 06:37:48 -0700 From: =?utf-8?q?Ilpo_J=C3=A4rvinen?= To: linux-pci@vger.kernel.org, Bjorn Helgaas , Andi Shyti , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Toan Le , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84?= =?utf-8?q?ski?= , Rob Herring , Bjorn Helgaas , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: =?utf-8?q?Ilpo_J=C3=A4rvinen?= Subject: [PATCH v2 7/8] PCI: xgene: Do PCI error check on own line Date: Sun, 27 Aug 2023 16:37:04 +0300 Message-Id: <20230827133705.12991-8-ilpo.jarvinen@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230827133705.12991-1-ilpo.jarvinen@linux.intel.com> References: <20230827133705.12991-1-ilpo.jarvinen@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Instead of a if condition with a line split, use the usual error handling pattern with a separate variable to improve readability. No functional changes intended. Signed-off-by: Ilpo Järvinen --- drivers/pci/controller/pci-xgene.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/pci-xgene.c b/drivers/pci/controller/pci-xgene.c index 887b4941ff32..b7f338de160b 100644 --- a/drivers/pci/controller/pci-xgene.c +++ b/drivers/pci/controller/pci-xgene.c @@ -163,9 +163,10 @@ static int xgene_pcie_config_read32(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val) { struct xgene_pcie *port = pcie_bus_to_port(bus); + int ret; - if (pci_generic_config_read32(bus, devfn, where & ~0x3, 4, val) != - PCIBIOS_SUCCESSFUL) + ret = pci_generic_config_read32(bus, devfn, where & ~0x3, 4, val); + if (ret != PCIBIOS_SUCCESSFUL) return PCIBIOS_DEVICE_NOT_FOUND; /* From patchwork Sun Aug 27 13:37:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ilpo_J=C3=A4rvinen?= X-Patchwork-Id: 1826542 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=IPYiVkjR; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pci-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RYZXb2Sxbz1yfr for ; Sun, 27 Aug 2023 23:38:55 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231133AbjH0Ni3 (ORCPT ); Sun, 27 Aug 2023 09:38:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50734 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231262AbjH0NiA (ORCPT ); Sun, 27 Aug 2023 09:38:00 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8479011C; Sun, 27 Aug 2023 06:37:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1693143477; x=1724679477; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=2++8yCZGRSSz4uOxVbgjndMH1wIP9iMn3E11M0dDVTs=; b=IPYiVkjRRr66ClnIkWnZCf3Kk5iHNR+sh2d95aM1bJZRfOvMRsBXeRjb 51PyPUO40gf/HKnqcH1FE6T0Z2nv7HMmRXzA3K0hLDtymNkt0w81MpCLV DzyefOylslcYXqgVThEHuhk5Wk6mUInaY+l/NUXrniv6PzU2LYkorH9z3 PNFgQBRC7bpIYc1cxc7IY1bTk9GcOtlb9hhcEMDCFGEZqQdgAXOLtyylO xX9urYG+b20PtIgMAEN9JXfGaOpc2Gs2scnSix9jdiHW13UydVMG6dPht 2agwlsFnHuekMFR1rdDeZxZI689PRZpoaPUpZlr3OsjNSAwbb1Hr61LK5 w==; X-IronPort-AV: E=McAfee;i="6600,9927,10815"; a="354471056" X-IronPort-AV: E=Sophos;i="6.02,205,1688454000"; d="scan'208";a="354471056" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2023 06:37:57 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10815"; a="1068752214" X-IronPort-AV: E=Sophos;i="6.02,205,1688454000"; d="scan'208";a="1068752214" Received: from dplotkin-mobl.ger.corp.intel.com (HELO ijarvine-mobl2.ger.corp.intel.com) ([10.249.41.231]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2023 06:37:53 -0700 From: =?utf-8?q?Ilpo_J=C3=A4rvinen?= To: linux-pci@vger.kernel.org, Bjorn Helgaas , Andi Shyti , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Brian King , "James E.J. Bottomley" , "Martin K. Petersen" , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: =?utf-8?q?Ilpo_J=C3=A4rvinen?= Subject: [PATCH v2 8/8] scsi: ipr: Do PCI error checks on own line Date: Sun, 27 Aug 2023 16:37:05 +0300 Message-Id: <20230827133705.12991-9-ilpo.jarvinen@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230827133705.12991-1-ilpo.jarvinen@linux.intel.com> References: <20230827133705.12991-1-ilpo.jarvinen@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Instead of if conditions with line splits, use the usual error handling pattern with a separate variable to improve readability. No functional changes intended. Signed-off-by: Ilpo Järvinen --- drivers/scsi/ipr.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 4e13797b2a4a..81e3d464d1f6 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -761,12 +761,14 @@ static void ipr_mask_and_clear_interrupts(struct ipr_ioa_cfg *ioa_cfg, static int ipr_save_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg) { int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX); + int rc; if (pcix_cmd_reg == 0) return 0; - if (pci_read_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD, - &ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) { + rc = pci_read_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD, + &ioa_cfg->saved_pcix_cmd_reg); + if (rc != PCIBIOS_SUCCESSFUL) { dev_err(&ioa_cfg->pdev->dev, "Failed to save PCI-X command register\n"); return -EIO; } @@ -785,10 +787,12 @@ static int ipr_save_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg) static int ipr_set_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg) { int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX); + int rc; if (pcix_cmd_reg) { - if (pci_write_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD, - ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) { + rc = pci_write_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD, + ioa_cfg->saved_pcix_cmd_reg); + if (rc != PCIBIOS_SUCCESSFUL) { dev_err(&ioa_cfg->pdev->dev, "Failed to setup PCI-X command register\n"); return -EIO; }