From nobody Tue Feb 10 03:37:27 2026 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 16DD91494CC; Sat, 1 Nov 2025 16:05:59 +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=1762013162; cv=none; b=oQtPaunysXszlS93BRWoCwb8elKM4uvN5gIJUlQg6tlVPFnE38jUC55Amu7il2D/XrIKxn4FgNT03Lm/8pnBJRsEehfBSg4nGmht9NQHwOCQ/B2ExhwgI8eCpwyo6tN39lFfDCJ/xjUJrlGm4D4uoG/kjr9gXdAjJ/lo9gQq6Rg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762013162; c=relaxed/simple; bh=Xz4GbbMrxXO/VGD0EMSdSfVU9wYMOZseAX78Xf98CFE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=nPFPT6S9h6TleAdTToS01ql96cyd13u0MqrdgyCwgsSe2oeJm8oLVF15i0flUjZyc1getgk55301dTUyt940aWN9pYA3/F/jIF4cCHbCdADMX4D7NzcZHvHhN07bUTQ5kGoemArdMARcomb9oBUfqCD83kNTCGtGPRV1ucX2c/g= 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=WHf4live; 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="WHf4live" 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=Ad vzvJzLxncRb/7kkrk+KLmis5Xz44JXtV/sPH0U9AQ=; b=WHf4liveF5ip+ckPzc YG2WvcGapo8eYxxe5T3ckincsjL1FUJ8lDZzCK7QRY3TP+aLaze5DQKViOIbdtEb c922f1WHvYQ3ySkhOltzNrVv6NzUgl+B4KACkj0AqRy0LYCaya2Qa8ZlEvF3xHcJ btpqC05ogKQIB3bbhw9ZKmgOk= Received: from zhb.. (unknown []) by gzga-smtp-mtada-g1-4 (Coremail) with SMTP id _____wDXL4nTLwZp3qOtAw--.844S5; 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 3/4] PCI: pciehp: Add macros for hotplug operation delays Date: Sun, 2 Nov 2025 00:05:37 +0800 Message-Id: <20251101160538.10055-4-18255117159@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--.844S5 X-Coremail-Antispam: 1Uf129KBjvJXoW7trWrZr1ruw17Ar4kJr4UCFg_yoW8JFW7p3 yfArWUtF1rKrs8Cws5Za1DWr98CasxCrZrCrWUu3s3ZF97Aw4DA3WfKa4jqFyfArW5Cr15 WFWrAFy5Ja1UAr7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07UFXdnUUUUU= X-CM-SenderInfo: rpryjkyvrrlimvzbiqqrwthudrp/xtbCwxXcgGkGL9Xu7QAA3c Content-Type: text/plain; charset="utf-8" Add WAIT_PDS_TIMEOUT_MS and POLL_CMD_TIMEOUT_MS macros for hotplug operation delays to improve code readability. Signed-off-by: Hans Zhang <18255117159@163.com> --- drivers/pci/hotplug/pciehp_hpc.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_= hpc.c index bcc51b26d03d..15b09c6a8d6b 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -28,6 +28,9 @@ #include "../pci.h" #include "pciehp.h" =20 +#define WAIT_PDS_TIMEOUT_MS 10 +#define POLL_CMD_TIMEOUT_MS 10 + static const struct dmi_system_id inband_presence_disabled_dmi_table[] =3D= { /* * Match all Dell systems, as some Dell systems have inband @@ -103,7 +106,7 @@ static int pcie_poll_cmd(struct controller *ctrl, int t= imeout) smp_mb(); return 1; } - msleep(10); + msleep(POLL_CMD_TIMEOUT_MS); timeout -=3D 10; } while (timeout >=3D 0); return 0; /* timeout */ @@ -283,7 +286,7 @@ static void pcie_wait_for_presence(struct pci_dev *pdev) pcie_capability_read_word(pdev, PCI_EXP_SLTSTA, &slot_status); if (slot_status & PCI_EXP_SLTSTA_PDS) return; - msleep(10); + msleep(WAIT_PDS_TIMEOUT_MS); timeout -=3D 10; } while (timeout > 0); } --=20 2.34.1