From patchwork Thu Mar 30 16:24:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 668893 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 504A4C77B60 for ; Thu, 30 Mar 2023 16:28:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231684AbjC3Q2f (ORCPT ); Thu, 30 Mar 2023 12:28:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60168 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231366AbjC3Q2a (ORCPT ); Thu, 30 Mar 2023 12:28:30 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 80618D31C; Thu, 30 Mar 2023 09:28:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1680193709; x=1711729709; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=yhhBl9vHYjEoa/C6LYyaGmzTAsrwMbBX/9yhSQi3PhY=; b=eB5C1OzY1asxXvzkN6NmOx8NmWLcSDi1o6o0vQzAnDcqz+xslbgfzhEb XDNw9hfx/jy6ngofMgRUUDTQDC/ykqkPphM0MtQSCzE7yEkvqDUUZ7kAB kgga3g2haWi2Pe9FSnlANvBKaXXCRSShLQ/jUGSfj3iySTmFjiBL4y9qs k+Ma/q7Coj/tcNo2fcYvKVGBDo+BgyBg6CN+PzAQTuwUtDQj1nTFq77JU /gBT03edahvVi7DzVJsAjUUV/2OGav8FyMQ2oKQwjoZb0GG+HwmUJCVBs t/UIm3NuwgQwGlhKNuK/gOFlx/nyEfzQGRH8pZPQ3hmaG24BmSTtI5kaf w==; X-IronPort-AV: E=McAfee;i="6600,9927,10665"; a="427495957" X-IronPort-AV: E=Sophos;i="5.98,305,1673942400"; d="scan'208";a="427495957" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Mar 2023 09:28:28 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10665"; a="858971546" X-IronPort-AV: E=Sophos;i="5.98,305,1673942400"; d="scan'208";a="858971546" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga005.jf.intel.com with ESMTP; 30 Mar 2023 09:28:18 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id DCBBF1D9; Thu, 30 Mar 2023 19:24:49 +0300 (EEST) From: Andy Shevchenko To: =?utf-8?q?Micka=C3=ABl_Sala=C3=BCn?= , Andy Shevchenko , =?utf-8?q?Krzysztof_Wi?= =?utf-8?q?lczy=C5=84ski?= , Mika Westerberg , Michael Ellerman , Randy Dunlap , Arnd Bergmann , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Niklas Schnelle , Bjorn Helgaas , "Rafael J. Wysocki" , =?utf-8?q?Pali_Roh=C3=A1r?= , "Maciej W. Rozycki" , Juergen Gross , Dominik Brodowski , linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-pci@vger.kernel.org, xen-devel@lists.xenproject.org, linux-acpi@vger.kernel.org Cc: Miguel Ojeda , Richard Henderson , Ivan Kokshaysky , Matt Turner , Russell King , Andrew Lunn , Sebastian Hesselbarth , Gregory Clement , Thomas Bogendoerfer , Nicholas Piggin , Christophe Leroy , Anatolij Gustschin , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , "David S. Miller" , Bjorn Helgaas , Stefano Stabellini , Oleksandr Tyshchenko Subject: [PATCH v8 2/7] PCI: Introduce pci_resource_n() Date: Thu, 30 Mar 2023 19:24:29 +0300 Message-Id: <20230330162434.35055-3-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.40.0.1.gaa8946217a0b In-Reply-To: <20230330162434.35055-1-andriy.shevchenko@linux.intel.com> References: <20230330162434.35055-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Introduce pci_resource_n() and replace open-coded implementations of it in pci.h. Signed-off-by: Andy Shevchenko Reviewed-by: Philippe Mathieu-Daudé --- include/linux/pci.h | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/include/linux/pci.h b/include/linux/pci.h index b50e5c79f7e3..aeaa95455d4c 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1995,14 +1995,13 @@ int pci_iobar_pfn(struct pci_dev *pdev, int bar, struct vm_area_struct *vma); * These helpers provide future and backwards compatibility * for accessing popular PCI BAR info */ -#define pci_resource_start(dev, bar) ((dev)->resource[(bar)].start) -#define pci_resource_end(dev, bar) ((dev)->resource[(bar)].end) -#define pci_resource_flags(dev, bar) ((dev)->resource[(bar)].flags) -#define pci_resource_len(dev,bar) \ - ((pci_resource_end((dev), (bar)) == 0) ? 0 : \ - \ - (pci_resource_end((dev), (bar)) - \ - pci_resource_start((dev), (bar)) + 1)) +#define pci_resource_n(dev, bar) (&(dev)->resource[(bar)]) +#define pci_resource_start(dev, bar) (pci_resource_n(dev, bar)->start) +#define pci_resource_end(dev, bar) (pci_resource_n(dev, bar)->end) +#define pci_resource_flags(dev, bar) (pci_resource_n(dev, bar)->flags) +#define pci_resource_len(dev,bar) \ + (pci_resource_end((dev), (bar)) ? \ + resource_size(pci_resource_n((dev), (bar))) : 0) /* * Similar to the helpers above, these manipulate per-pci_dev