From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E124B466B6E; Thu, 30 Apr 2026 16:24:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.5 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777566293; cv=none; b=LwsqwVZTyXVvVQ7TyC8HpscUzzZqA6vsVihGph1LRNyEH/iAbOOd+740eK8P0NcH1OcE8h3GVBM+mrIvuS/+0IcaavLVwJ53Wpht+eQk9k0YtQghlUJil04XI7FycDsw6zx3AiHUu10s8zNOpywCLtHDAueVWr0IoL09/4v6Q+E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777566293; c=relaxed/simple; bh=HG6wMmNzqQr/vAz/9YVXg/XRCGn+6x3TvxKDdZcRqNI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=mpGi8W7ZfDVtBbzOfh68SndgbwDJjBYlQPbZk1myjDV8Q11WmVXGbpKBEXwnwM7eHCRUalagsqXcBqAneZKC7XLP2F/vh3ndrQ9zFOW2sj9idaf03aeH72vdR2QKd3/hqZlVjiGdSPBGo+Fv7qzVs+8polWf0VGOumYdBMvc4Lg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=RxOL757R; arc=none smtp.client-ip=117.135.210.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="RxOL757R" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=/i SkfsxQrBPqbPvZDhBTwfrh6nYXLR6KjN3mR6Z7XlI=; b=RxOL757R5fu3Ik6Rsh Bs8O0SaG65SjQpDqrwSJ2mwsE85szY+MATI8y2QADWCBft0SnNncx02tp7nwD+wL UUQkbVQKfThbRSNK1u8Jm1vU1S6SkyCAE09Hypv1riAiNzvacLNUXJE1tlhURiBk XBbz0bgaNJy0Zk3TJh341dsAM= Received: from zhb.. (unknown []) by gzga-smtp-mtada-g0-3 (Coremail) with SMTP id _____wAHJXM2gvNpY8PXCg--.48992S4; Fri, 01 May 2026 00:24:24 +0800 (CST) From: Hans Zhang <18255117159@163.com> To: bhelgaas@google.com, lpieralisi@kernel.org, kwilczynski@kernel.org, mani@kernel.org, jingoohan1@gmail.com Cc: robh@kernel.org, s32@nxp.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Hans Zhang <18255117159@163.com> Subject: [RESEND PATCH 02/16] PCI/PTM: Use FIELD_MODIFY() Date: Fri, 1 May 2026 00:24:06 +0800 Message-Id: <20260430162420.42839-3-18255117159@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:_____wAHJXM2gvNpY8PXCg--.48992S4 X-Coremail-Antispam: 1Uf129KBjvdXoWrur17tw4fAr17Aw4rJr1fWFg_yoW3Krb_WF 18Zr13Ar1UJrn8Cw45Can7X3s0k3WqgFs7ZFs29F15CFy7Zrn8Wa9Yv34kJr15uF43GryF kasFqrykCFySkjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7sR_O6pDUUUUU== X-CM-SenderInfo: rpryjkyvrrlimvzbiqqrwthudrp/xtbC6xgGqWnzgjhChQAA37 Use FIELD_MODIFY() to remove open-coded bit manipulation. No functional change intended. Signed-off-by: Hans Zhang <18255117159@163.com> --- drivers/pci/pcie/ptm.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/pci/pcie/ptm.c b/drivers/pci/pcie/ptm.c index a41ffd1914de..bd3bd39f6372 100644 --- a/drivers/pci/pcie/ptm.c +++ b/drivers/pci/pcie/ptm.c @@ -152,8 +152,7 @@ static int __pci_enable_ptm(struct pci_dev *dev) pci_read_config_dword(dev, ptm + PCI_PTM_CTRL, &ctrl); ctrl |= PCI_PTM_CTRL_ENABLE; - ctrl &= ~PCI_PTM_GRANULARITY_MASK; - ctrl |= FIELD_PREP(PCI_PTM_GRANULARITY_MASK, dev->ptm_granularity); + FIELD_MODIFY(PCI_PTM_GRANULARITY_MASK, &ctrl, dev->ptm_granularity); if (dev->ptm_root) ctrl |= PCI_PTM_CTRL_ROOT; -- 2.34.1