From patchwork Tue Mar 3 13:28:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanislav Spassov X-Patchwork-Id: 11418045 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C733318B8 for ; Tue, 3 Mar 2020 13:30:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A72B22166E for ; Tue, 3 Mar 2020 13:30:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="vLyGIpi8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727862AbgCCNa4 (ORCPT ); Tue, 3 Mar 2020 08:30:56 -0500 Received: from smtp-fw-33001.amazon.com ([207.171.190.10]:61783 "EHLO smtp-fw-33001.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729248AbgCCNa4 (ORCPT ); Tue, 3 Mar 2020 08:30:56 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1583242256; x=1614778256; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=JNPVRg0IXhKYsKVgVhd2+6miS3vS/5AexheE4GJwtE0=; b=vLyGIpi8Q3XL5TKo2lSMWpfDwb5ZYBf4vX2NsDVAjs2U9/CNISyxf4o9 GI8aHnZD95/jtCi/b7Ch8FlomXfZcRv33mGVmZiUxvksAiPZPNHfaHeu4 3nFYa1ooQjsmHYAbH1R4BIpQOppYNB/IwRlPO0aqflFI3oojTEOBUGz4U g=; IronPort-SDR: jVg/e8oI4DlucrkV6r/lIpmtz56apX5RpLNM1aN8MgrRlvxPI1rCcCA/GZy6pyMkW/AlaA27pO sZuNxmc698gA== X-IronPort-AV: E=Sophos;i="5.70,511,1574121600"; d="scan'208";a="30249779" Received: from sea32-co-svc-lb4-vlan3.sea.corp.amazon.com (HELO email-inbound-relay-2b-4e24fd92.us-west-2.amazon.com) ([10.47.23.38]) by smtp-border-fw-out-33001.sea14.amazon.com with ESMTP; 03 Mar 2020 13:30:55 +0000 Received: from EX13MTAUEA002.ant.amazon.com (pdx4-ws-svc-p6-lb7-vlan2.pdx.amazon.com [10.170.41.162]) by email-inbound-relay-2b-4e24fd92.us-west-2.amazon.com (Postfix) with ESMTPS id 39E60A2E10; Tue, 3 Mar 2020 13:30:54 +0000 (UTC) Received: from EX13D12EUC001.ant.amazon.com (10.43.164.45) by EX13MTAUEA002.ant.amazon.com (10.43.61.77) with Microsoft SMTP Server (TLS) id 15.0.1236.3; Tue, 3 Mar 2020 13:30:27 +0000 Received: from EX13MTAUEE002.ant.amazon.com (10.43.62.24) by EX13D12EUC001.ant.amazon.com (10.43.164.45) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 3 Mar 2020 13:30:25 +0000 Received: from u961addbe640f56.ant.amazon.com (10.28.84.111) by mail-relay.amazon.com (10.43.62.224) with Microsoft SMTP Server id 15.0.1367.3 via Frontend Transport; Tue, 3 Mar 2020 13:30:23 +0000 From: Stanislav Spassov To: CC: Stanislav Spassov , , Bjorn Helgaas , Thomas Gleixner , Andrew Morton , =?utf-8?q?Jan_H_=2E_Sch=C3=B6nhe?= =?utf-8?q?rr?= , "Jonathan Corbet" , Ashok Raj , Alex Williamson , Sinan Kaya , Rajat Jain , kbuild test robot Subject: [PATCH v3 11/17] PCI: Refactor pci_dev_wait to remove timeout parameter Date: Tue, 3 Mar 2020 14:28:46 +0100 Message-ID: <20200303132852.13184-12-stanspas@amazon.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200303132852.13184-1-stanspas@amazon.com> References: <20200303132852.13184-1-stanspas@amazon.com> MIME-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org From: Stanislav Spassov Currently, all callers supply the same value, and in the future pci_dev_wait itself could determine the appropriate timeout based on values stored in struct pci_dev, and the reset type. Signed-off-by: Stanislav Spassov --- drivers/pci/pci.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 7e08c5f38190..9435e2b19f7b 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1030,8 +1030,9 @@ void pci_wakeup_bus(struct pci_bus *bus) pci_walk_bus(bus, pci_wakeup, NULL); } -static int pci_dev_wait(struct pci_dev *dev, char *reset_type, int timeout) +static int pci_dev_wait(struct pci_dev *dev, char *reset_type) { + int timeout = PCIE_RESET_READY_POLL_MS; int delay = 1; u32 id; @@ -4514,7 +4515,7 @@ int pcie_flr(struct pci_dev *dev) msleep(dev->delay[PCI_INIT_EVENT_FLR]); - return pci_dev_wait(dev, "FLR", PCIE_RESET_READY_POLL_MS); + return pci_dev_wait(dev, "FLR"); } EXPORT_SYMBOL_GPL(pcie_flr); @@ -4553,7 +4554,7 @@ static int pci_af_flr(struct pci_dev *dev, int probe) msleep(dev->delay[PCI_INIT_EVENT_FLR]); - return pci_dev_wait(dev, "AF_FLR", PCIE_RESET_READY_POLL_MS); + return pci_dev_wait(dev, "AF_FLR"); } /** @@ -4600,7 +4601,7 @@ static int pci_pm_reset(struct pci_dev *dev, int probe) pci_write_config_word(dev, dev->pm_cap + PCI_PM_CTRL, csr); pci_dev_d3_sleep(dev); - return pci_dev_wait(dev, "PM D3hot->D0", PCIE_RESET_READY_POLL_MS); + return pci_dev_wait(dev, "PM D3hot->D0"); } /** @@ -4842,7 +4843,7 @@ int pci_bridge_secondary_bus_reset(struct pci_dev *dev) { pcibios_reset_secondary_bus(dev); - return pci_dev_wait(dev, "bus reset", PCIE_RESET_READY_POLL_MS); + return pci_dev_wait(dev, "bus reset"); } EXPORT_SYMBOL_GPL(pci_bridge_secondary_bus_reset);