From nobody Tue Feb 10 03:37:18 2026 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.4]) (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 280B21DB15F; Sat, 1 Nov 2025 16:06:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.4 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762013166; cv=none; b=uCRswh3D64T8H/godcNBxP38MCrVgGJHjs5IwZaJUh/m0QlmMm65HkrYhvrnyBtIojZzWXlucm821k9yAEGuluYrAZSrcz457mwqIdzrI3oXryY122j8Fi2Elg9pUHk7pZSsPGB5890lYcStr8JGTrAh7K7ZU6shQZrq+rW6u+c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762013166; c=relaxed/simple; bh=oySVf4RfPa2vXHPErjAr0CU4P6G5QgDj6kyzEyfWp7M=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=exqjYOGDaUISdcHHkxbIv7BcTWveVQJlOYIZrjGXABbI+1CzwlecvvM5+X5trSVnszf+V0LsJzVwwbPQkqLnhUmfPL5RmtO0b8hzVgBSyDYb4dDb+YQbrdZGIP2LTsDO+T3HKkKrK8zC/Tsvb1JDaByM9j9VAhdyersfqQ8uYos= 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=XUFeZZ7w; arc=none smtp.client-ip=117.135.210.4 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="XUFeZZ7w" 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=nq kIChBp/koBb9FvVZulRsypHQj7vJiGKJ2pQmxhvOQ=; b=XUFeZZ7wr9v/hCYM5N Jtq77obhK/piFtTg0b3MJI4WryoPGg1/9AbtB9ShNujz4L1/BPberIszb0eop7k3 ilHqjrSkiNvkFISyu7m0WLWVHNp4s7O2jf1O1O9oaXWd8RbHf52QcpY4U5OPhd6e IaFUhhDFPcMvsecoCDcruBNu4= Received: from zhb.. (unknown []) by gzga-smtp-mtada-g1-4 (Coremail) with SMTP id _____wDXL4nTLwZp3qOtAw--.844S4; Sun, 02 Nov 2025 00:05:41 +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 v4 2/4] PCI: Add macro for link status check delay Date: Sun, 2 Nov 2025 00:05:36 +0800 Message-Id: <20251101160538.10055-3-18255117159@163.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251101160538.10055-1-18255117159@163.com> References: <20251101160538.10055-1-18255117159@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: _____wDXL4nTLwZp3qOtAw--.844S4 X-Coremail-Antispam: 1Uf129KBjvdXoW7GF1UKw1xur1fAFWkKw17ZFb_yoWDJrX_u3 42vFWxWrW0kF9xA3y2kr1fZrZ293ZxWF4xuFn3tFySyFy7Gry5uryqvrn8Ja13WayrJF1q q3srKF4Fkwn2kjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7xREmiiDUUUUU== X-CM-SenderInfo: rpryjkyvrrlimvzbiqqrwthudrp/xtbCwxXcgGkGL9Xu6AAA3Z 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 86449f2d627b..b57d8e4c3a48 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); @@ -4632,7 +4634,7 @@ 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 2.34.1