{"id":2231391,"url":"http://patchwork.ozlabs.org/api/patches/2231391/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260430162420.42839-16-18255117159@163.com/","project":{"id":28,"url":"http://patchwork.ozlabs.org/api/projects/28/?format=json","name":"Linux PCI development","link_name":"linux-pci","list_id":"linux-pci.vger.kernel.org","list_email":"linux-pci@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260430162420.42839-16-18255117159@163.com>","list_archive_url":null,"date":"2026-04-30T16:24:19","name":"[RESEND,15/16] PCI: mvebu: Use FIELD_MODIFY()","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"f952bb655ee5ad16764030def1948b0120a7a237","submitter":{"id":89937,"url":"http://patchwork.ozlabs.org/api/people/89937/?format=json","name":"Hans Zhang","email":"18255117159@163.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260430162420.42839-16-18255117159@163.com/mbox/","series":[{"id":502340,"url":"http://patchwork.ozlabs.org/api/series/502340/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/list/?series=502340","date":"2026-04-30T16:24:06","name":"PCI: Use FIELD_MODIFY() to simplify bitfield operations","version":1,"mbox":"http://patchwork.ozlabs.org/series/502340/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2231391/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2231391/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-pci@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=163.com header.i=@163.com header.a=rsa-sha256\n header.s=s110527 header.b=QgNIAESw;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; helo=sea.lore.kernel.org;\n envelope-from=linux-pci+bounces-53518-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (1024-bit key) header.d=163.com header.i=@163.com\n header.b=\"QgNIAESw\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=220.197.31.5","smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=163.com","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=163.com"],"Received":["from sea.lore.kernel.org (sea.lore.kernel.org\n [IPv6:2600:3c0a:e001:db::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g604T1GRFz1yHZ\n\tfor ; Fri, 01 May 2026 02:29:29 +1000 (AEST)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sea.lore.kernel.org (Postfix) with ESMTP id 7650D3095746\n\tfor ; Thu, 30 Apr 2026 16:25:18 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 87797477E4C;\n\tThu, 30 Apr 2026 16:25:00 +0000 (UTC)","from m16.mail.163.com (m16.mail.163.com [220.197.31.5])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id ED1D3472793;\n\tThu, 30 Apr 2026 16:24:55 +0000 (UTC)","from zhb.. (unknown [])\n\tby gzga-smtp-mtada-g1-2 (Coremail) with SMTP id\n _____wA3Df0_gvNpcypXCg--.51103S9;\n\tFri, 01 May 2026 00:24:36 +0800 (CST)"],"ARC-Seal":"i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1777566299; cv=none;\n b=Iv0lGOod5UySRsEm7NT8c2ZwU166Mzq6Y/y7Wkv/lZk6XU9xC3LUOZ7opup/XY1tU6F9vyZL95HJY2MaSzaYSEjWpL2mqnT8yCe2sZeF7XH3u5y7GLX6/y9o1WTqoXBfMLWwPFOmOmIHilGeq6SvfA3bk9mmRNW6hZ5w4rAJL5k=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1777566299; c=relaxed/simple;\n\tbh=Dn8fTsOZ9GOWIt3xVVd8EqvKuV6qq4me2FvrTvXlIio=;\n\th=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References:\n\t MIME-Version;\n b=g2btZRr+dCQcFK4+nnhkF9Mzp7xxebhJ22oOD8UYq7Eajl/Onk26BrYl08jcxrAsr11HZ496axvcP0heCZnUJ1lq+L/U0+MLBUxxvFF++E9xWHMsubLOQycUu1BR2Z6zGgo3lulY4OH7fCg1wo9auXlZsvgeFmC1boctZWDTy6g=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=163.com;\n spf=pass smtp.mailfrom=163.com;\n dkim=pass (1024-bit key) header.d=163.com header.i=@163.com\n header.b=QgNIAESw; arc=none smtp.client-ip=220.197.31.5","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com;\n\ts=s110527; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=TA\n\t2PDtzRtI+kBQoqeedPsIvWorvQfdP/9rl8VrEEZwY=; b=QgNIAESwSwnr0w4I7l\n\tBa5zKXw8xpWzZbCYOOr/0c5vk+GNNptFlBGaL3b4CHWpD0xIAeymuf4cYduZ0XKu\n\tcLxr/DS0V+I5lvmFmQkUNOfsvrWNXYVhA0KXolWM3T+qiLgUo0Ir6gADPCYK/gQs\n\t1mW7XmE5SQMbcxmCKZuCDEjM4=","From":"Hans Zhang <18255117159@163.com>","To":"bhelgaas@google.com,\n\tlpieralisi@kernel.org,\n\tkwilczynski@kernel.org,\n\tmani@kernel.org,\n\tjingoohan1@gmail.com","Cc":"robh@kernel.org,\n\ts32@nxp.com,\n\tlinux-pci@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\tHans Zhang <18255117159@163.com>","Subject":"[RESEND PATCH 15/16] PCI: mvebu: Use FIELD_MODIFY()","Date":"Fri, 1 May 2026 00:24:19 +0800","Message-Id":"<20260430162420.42839-16-18255117159@163.com>","X-Mailer":"git-send-email 2.34.1","In-Reply-To":"<20260430162420.42839-1-18255117159@163.com>","References":"<20260430162420.42839-1-18255117159@163.com>","Precedence":"bulk","X-Mailing-List":"linux-pci@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-CM-TRANSID":"_____wA3Df0_gvNpcypXCg--.51103S9","X-Coremail-Antispam":"1Uf129KBjvdXoWrur17Kr1UAw15uFyDuw1DAwb_yoWDCrX_ua\n\t4rJanFkrWqgryIkas2ya18AF90ya47Zw4j93WFqF1fZFy8Ar1Fqrn7X398tryDCF43XrnI\n\tyr1DCrWFk3sFyjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT\n\t9fnUUvcSsGvfC2KfnxnUUI43ZEXa7sRiD73PUUUUU==","X-CM-SenderInfo":"rpryjkyvrrlimvzbiqqrwthudrp/xtbC7AQJrGnzgkROhwAA3Y"},"content":"Use FIELD_MODIFY() to remove open-coded bit manipulation.\nNo functional change intended.\n\nSigned-off-by: Hans Zhang <18255117159@163.com>\n---\n drivers/pci/controller/pci-mvebu.c | 3 +--\n 1 file changed, 1 insertion(+), 2 deletions(-)","diff":"diff --git a/drivers/pci/controller/pci-mvebu.c b/drivers/pci/controller/pci-mvebu.c\nindex a72aa57591c0..d6eb65b8cd7f 100644\n--- a/drivers/pci/controller/pci-mvebu.c\n+++ b/drivers/pci/controller/pci-mvebu.c\n@@ -263,8 +263,7 @@ static void mvebu_pcie_setup_hw(struct mvebu_pcie_port *port)\n \t * not set correctly then link with endpoint card is not established.\n \t */\n \tlnkcap = mvebu_readl(port, PCIE_CAP_PCIEXP + PCI_EXP_LNKCAP);\n-\tlnkcap &= ~PCI_EXP_LNKCAP_MLW;\n-\tlnkcap |= FIELD_PREP(PCI_EXP_LNKCAP_MLW, port->is_x4 ? 4 : 1);\n+\tFIELD_MODIFY(PCI_EXP_LNKCAP_MLW, &lnkcap, port->is_x4 ? 4 : 1);\n \tmvebu_writel(port, lnkcap, PCIE_CAP_PCIEXP + PCI_EXP_LNKCAP);\n \n \t/* Disable Root Bridge I/O space, memory space and bus mastering. */\n","prefixes":["RESEND","15/16"]}