From patchwork Thu Jun 28 19:31:01 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sinan Kaya X-Patchwork-Id: 10494947 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8AD7560325 for ; Thu, 28 Jun 2018 19:33:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8CD7629B1B for ; Thu, 28 Jun 2018 19:33:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8086829B3E; Thu, 28 Jun 2018 19:33:00 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0AE8629B1B for ; Thu, 28 Jun 2018 19:33:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934907AbeF1Tbg (ORCPT ); Thu, 28 Jun 2018 15:31:36 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:53330 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934767AbeF1Tbd (ORCPT ); Thu, 28 Jun 2018 15:31:33 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id DF77360B3B; Thu, 28 Jun 2018 19:31:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1530214292; bh=nNUkfi9cPCjty4KmqTFblrE/xs7QQ6pYUajt41YIQNI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=B5YrQB0pAALNJjFYeN8OLTURnqB0xxNiI5Ywn8nnX1D/0xF1Izqgp2Ry+5tvr8MOD jMN0lxj/WCFI7VpkSRwc7DbJxHxfhwQi0tTSOzPmY3O9d56/CsjMbq1K+0XsG2TzDM L49wD3BLiBSFlJ4pwJZ8K216GF+hJ3EIm3f4EleE= Received: from drakthul.qualcomm.com (global_nat1_iad_fw.qualcomm.com [129.46.232.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: okaya@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 55061605A5; Thu, 28 Jun 2018 19:31:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1530214291; bh=nNUkfi9cPCjty4KmqTFblrE/xs7QQ6pYUajt41YIQNI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=M5KCT2cJhH0xj6+xiQIHZccD73yDzy+FFBJvOEI3Mu8hvbvx5/pb7D06xUMS/k/Ve 26dUyeib4UeaMwenjAZnu4U8o98VCGrwi7kLd7KQKxpscBrIInHS4RCa84DVNvfocG RSgR9CBpKU2XpE2OuBOb3jUAsyyLOpFsi/dj4HJU= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 55061605A5 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=okaya@codeaurora.org From: Sinan Kaya To: linux-pci@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sinan Kaya , Bjorn Helgaas , Mika Westerberg , Keith Busch , "Rafael J. Wysocki" , Oza Pawandeep , Lukas Wunner , Kees Cook , Frederick Lawler , Greg Kroah-Hartman , linux-kernel@vger.kernel.org (open list) Subject: [PATCH V4 3/7] PCI: Hide pci_reset_bridge_secondary_bus() from drivers Date: Thu, 28 Jun 2018 15:31:01 -0400 Message-Id: <1530214274-21139-3-git-send-email-okaya@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1530214274-21139-1-git-send-email-okaya@codeaurora.org> References: <1530214274-21139-1-git-send-email-okaya@codeaurora.org> MIME-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Rename pci_reset_bridge_secondary_bus() to pci_bridge_secondary_bus_reset() and move the declartation from linux/pci.h to drivers/pci.h to be used internally in PCI directory only. Signed-off-by: Sinan Kaya --- drivers/pci/hotplug/pciehp_hpc.c | 2 +- drivers/pci/pci.c | 11 +++++------ drivers/pci/pci.h | 1 + drivers/pci/pcie/aer.c | 2 +- drivers/pci/pcie/err.c | 2 +- include/linux/pci.h | 1 - 6 files changed, 9 insertions(+), 10 deletions(-) diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index bbaa211..8dae232 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -746,7 +746,7 @@ int pciehp_reset_slot(struct slot *slot, int probe) if (pciehp_poll_mode) del_timer_sync(&ctrl->poll_timer); - rc = pci_reset_bridge_secondary_bus(ctrl->pcie->port); + rc = pci_bridge_secondary_bus_reset(ctrl->pcie->port); pcie_capability_write_word(pdev, PCI_EXP_SLTSTA, stat_mask); pcie_write_cmd_nowait(ctrl, ctrl_mask, ctrl_mask); diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 98d1490..236220c 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4224,19 +4224,18 @@ void __weak pcibios_reset_secondary_bus(struct pci_dev *dev) } /** - * pci_reset_bridge_secondary_bus - Reset the secondary bus on a PCI bridge. + * pci_bridge_secondary_bus_reset - Reset the secondary bus on a PCI bridge. * @dev: Bridge device * * Use the bridge control register to assert reset on the secondary bus. * Devices on the secondary bus are left in power-on state. */ -int pci_reset_bridge_secondary_bus(struct pci_dev *dev) +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); } -EXPORT_SYMBOL_GPL(pci_reset_bridge_secondary_bus); static int pci_parent_bus_reset(struct pci_dev *dev, int probe) { @@ -4253,7 +4252,7 @@ static int pci_parent_bus_reset(struct pci_dev *dev, int probe) if (probe) return 0; - return pci_reset_bridge_secondary_bus(dev->bus->self); + return pci_bridge_secondary_bus_reset(dev->bus->self); } static int pci_reset_hotplug_slot(struct hotplug_slot *hotplug, int probe) @@ -4860,7 +4859,7 @@ static int pci_bus_reset(struct pci_bus *bus, int probe) might_sleep(); - ret = pci_reset_bridge_secondary_bus(bus->self); + ret = pci_bridge_secondary_bus_reset(bus->self); pci_bus_unlock(bus); @@ -4924,7 +4923,7 @@ int pci_try_reset_bus(struct pci_bus *bus) if (pci_bus_trylock(bus)) { might_sleep(); - rc = pci_reset_bridge_secondary_bus(bus->self); + rc = pci_bridge_secondary_bus_reset(bus->self); pci_bus_unlock(bus); } else rc = -EAGAIN; diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index c358e7a0..f784263 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -33,6 +33,7 @@ int pci_mmap_fits(struct pci_dev *pdev, int resno, struct vm_area_struct *vmai, enum pci_mmap_api mmap_api); int pci_probe_reset_function(struct pci_dev *dev); +int pci_bridge_secondary_bus_reset(struct pci_dev *dev); /** * struct pci_platform_pm_ops - Firmware PM callbacks diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c index f1d0f3e..74ea6ec 100644 --- a/drivers/pci/pcie/aer.c +++ b/drivers/pci/pcie/aer.c @@ -1314,7 +1314,7 @@ static pci_ers_result_t aer_root_reset(struct pci_dev *dev) reg32 &= ~ROOT_PORT_INTR_ON_MESG_MASK; pci_write_config_dword(dev, pos + PCI_ERR_ROOT_COMMAND, reg32); - rc = pci_reset_bridge_secondary_bus(dev); + rc = pci_bridge_secondary_bus_reset(dev); pci_printk(KERN_DEBUG, dev, "Root Port link has been reset\n"); /* Clear Root Error Status */ diff --git a/drivers/pci/pcie/err.c b/drivers/pci/pcie/err.c index 3a62a2e..a3a26f1 100644 --- a/drivers/pci/pcie/err.c +++ b/drivers/pci/pcie/err.c @@ -177,7 +177,7 @@ static pci_ers_result_t default_reset_link(struct pci_dev *dev) { int rc; - rc = pci_reset_bridge_secondary_bus(dev); + rc = pci_bridge_secondary_bus_reset(dev); pci_printk(KERN_DEBUG, dev, "downstream link has been reset\n"); return !rc ? PCI_ERS_RESULT_RECOVERED : PCI_ERS_RESULT_DISCONNECT; } diff --git a/include/linux/pci.h b/include/linux/pci.h index 340029b..6b12ce2 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1102,7 +1102,6 @@ int pci_reset_bus(struct pci_bus *bus); int pci_try_reset_bus(struct pci_bus *bus); void pci_reset_secondary_bus(struct pci_dev *dev); void pcibios_reset_secondary_bus(struct pci_dev *dev); -int pci_reset_bridge_secondary_bus(struct pci_dev *dev); void pci_update_resource(struct pci_dev *dev, int resno); int __must_check pci_assign_resource(struct pci_dev *dev, int i); int __must_check pci_reassign_resource(struct pci_dev *dev, int i, resource_size_t add_size, resource_size_t align);