From nobody Fri Oct 3 19:07:14 2025 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.3]) by smtp.subspace.kernel.org (Postfix) with ESMTP id F1C9A2E285B; Tue, 26 Aug 2025 17:03:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.3 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756227838; cv=none; b=H2pwXsxW5ArKOyq4E5QZSj3z3VKPbYKxEIpouSF42W/6+0ShP9I1kbrsDISIwvH+QFxu4FN+8ag2pP1BtxGvPh+rbpCr+yc2QADDV4t1pn0NzIcWE+wiEw0UYXSW8aLc24LF27oubj0aYF1lbxlL/PGBl83OCZCVZpwISih/TXs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756227838; c=relaxed/simple; bh=/WFpPBskMWBkdGVSacMhxhni4z2VHYUPoxSJMhvCRps=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=RApVZNHukpF78U9VqbAjawTp0jJWbJ/jGz+cdaBs6CRgbIhd2EL0Wz/Z5TAIjdQWqFAjiEVhMSJ1UlM+PEZvjmpM78tjtE9hruKu1vJn009VNklcZ1OBon4gqsUH2vxax9ZYkJy0lyPtbSlC5OkyZfi2uMupvmjnYQeTx9zgdyU= 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=MuECljJ9; arc=none smtp.client-ip=220.197.31.3 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="MuECljJ9" 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=k9 vi2+U0ISlZpQf9ZsfxllqYwUzu1si7Y3nLS7lJb8g=; b=MuECljJ9l463ApcpWq oh1Ut2twyhVL3ktcTc5N4XUFpxCeea8KJ5bYwn0cbtSGniMlUizohCBB1xICvls2 JbngcfFBE0Vui8vk81vmaGRWOqfSnvErvqqBGIcthb72k17ExCeO6UbqidcKGAnF S9VDFT1zpL9r2eI1tckc3RDQU= Received: from localhost.localdomain (unknown []) by gzga-smtp-mtada-g1-2 (Coremail) with SMTP id _____wAH5Svt6K1o9DIiEg--.25085S5; Wed, 27 Aug 2025 01:03:43 +0800 (CST) From: Hans Zhang <18255117159@163.com> To: bhelgaas@google.com, helgaas@kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Hans Zhang <18255117159@163.com> Subject: [PATCH v3 3/8] PCI: Add macro for link status check delay Date: Wed, 27 Aug 2025 01:03:10 +0800 Message-Id: <20250826170315.721551-4-18255117159@163.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250826170315.721551-1-18255117159@163.com> References: <20250826170315.721551-1-18255117159@163.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: _____wAH5Svt6K1o9DIiEg--.25085S5 X-Coremail-Antispam: 1Uf129KBjvdXoW7GF1UKw1xur1fCF13trW8WFg_yoWDJrX_u3 sFvF4xWrW0kF9xK3y29r1fZrya93Z3WF4xuF97tFyfAFy7GryY9Fyjvr1DJa13WayrAF12 v3srtF1rCrn2kjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUUxR67UUUUU== X-CM-SenderInfo: rpryjkyvrrlimvzbiqqrwthudrp/1tbiQxi1o2it56YcgAAAsV Content-Type: text/plain; charset="utf-8" Add PCIE_LINK_STATUS_CHECK_MS macro for link status check delay. Signed-off-by: Hans Zhang <18255117159@163.com> --- drivers/pci/pci.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 81105dfc2f62..f5f5474d9aba 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -77,6 +77,8 @@ struct pci_pme_device { */ #define PCIE_RESET_READY_POLL_MS 60000 /* msec */ =20 +#define PCIE_LINK_STATUS_CHECK_MS 1 + static void pci_dev_d3_sleep(struct pci_dev *dev) { unsigned int delay_ms =3D max(dev->d3hot_delay, pci_pm_d3hot_delay); @@ -4683,7 +4685,7 @@ static int pcie_wait_for_link_status(struct pci_dev *= pdev, pcie_capability_read_word(pdev, PCI_EXP_LNKSTA, &lnksta); if ((lnksta & lnksta_mask) =3D=3D lnksta_match) return 0; - msleep(1); + msleep(PCIE_LINK_STATUS_CHECK_MS); } while (time_before(jiffies, end_jiffies)); =20 return -ETIMEDOUT; --=20 2.25.1