From patchwork Thu Jun 28 19:31:03 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sinan Kaya X-Patchwork-Id: 10494933 X-Patchwork-Delegate: agross@codeaurora.org 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 A43DA60325 for ; Thu, 28 Jun 2018 19:32:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A666329B18 for ; Thu, 28 Jun 2018 19:32:38 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9A18529B32; Thu, 28 Jun 2018 19:32:38 +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 35B3A29B18 for ; Thu, 28 Jun 2018 19:32:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935467AbeF1Tbt (ORCPT ); Thu, 28 Jun 2018 15:31:49 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:54396 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934767AbeF1Tbo (ORCPT ); Thu, 28 Jun 2018 15:31:44 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 817EE60791; Thu, 28 Jun 2018 19:31:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1530214303; bh=yzowvntBUDaV3G8x809xkVFE3DgfPOtCfmXvwSKbs14=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=I54/li3NHq3m92ItBOkuCVICKYV3MJqWjdNKbFNOS4EIHXndT8tJ7xNa58Udug5ti 7V+QpLcVz4B0NyOm94pAmfubIyE6zLRcq2eQnjPrxtwDz/0XeZ9iF9DqWKf4+kfKe/ r6sUFrWvoBzD9D4SisZ206f2NmucjJQUW8aKj8H4= 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 6BF8560B71; Thu, 28 Jun 2018 19:31:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1530214297; bh=yzowvntBUDaV3G8x809xkVFE3DgfPOtCfmXvwSKbs14=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Vo96H39YZSoGB9+YPP2sVHgKUMTVFO/2L5tOOAnd344ibs3VABqVk2VTsSoEY5RGj XaRDvyw/MjFL9sCTIGACfNe/n+8b1NkVeP6XQGUJtd1h6Ee9y1inBr0NcDBM9ud+KU jqiJTKgurJ3hzUTwr9Log2MSAC04etIcMHMzQukw= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 6BF8560B71 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 , linux-kernel@vger.kernel.org (open list) Subject: [PATCH V4 5/7] PCI: Deprecate pci_reset_bus() and pci_reset_slot() functions Date: Thu, 28 Jun 2018 15:31:03 -0400 Message-Id: <1530214274-21139-5-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-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP pci_reset_bus() and pci_reset_slot() functions are not being used by any code. Remove them from the kernel in favor of pci_try_reset_bus() and pci_try_reset_slot() functions. Signed-off-by: Sinan Kaya --- drivers/pci/pci.c | 55 ++--------------------------------------------------- include/linux/pci.h | 2 -- 2 files changed, 2 insertions(+), 55 deletions(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 79a1566..6cec722 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4784,9 +4784,9 @@ int pci_probe_reset_slot(struct pci_slot *slot) EXPORT_SYMBOL_GPL(pci_probe_reset_slot); /** - * pci_reset_slot - reset a PCI slot + * __pci_try_reset_slot - Try to reset a PCI slot * @slot: PCI slot to reset - * + *` * A PCI bus may host multiple slots, each slot may support a reset mechanism * independent of other slots. For instance, some slots may support slot power * control. In the case of a 1:1 bus to slot architecture, this function may @@ -4796,30 +4796,6 @@ EXPORT_SYMBOL_GPL(pci_probe_reset_slot); * through this function. PCI config space of all devices in the slot and * behind the slot is saved before and restored after reset. * - * Return 0 on success, non-zero on error. - */ -int pci_reset_slot(struct pci_slot *slot) -{ - int rc; - - rc = pci_slot_reset(slot, 1); - if (rc) - return rc; - - pci_slot_save_and_disable(slot); - - rc = pci_slot_reset(slot, 0); - - pci_slot_restore(slot); - - return rc; -} -EXPORT_SYMBOL_GPL(pci_reset_slot); - -/** - * __pci_try_reset_slot - Try to reset a PCI slot - * @slot: PCI slot to reset - * * Same as above except return -EAGAIN if the slot cannot be locked */ static int __pci_try_reset_slot(struct pci_slot *slot) @@ -4878,33 +4854,6 @@ int pci_probe_reset_bus(struct pci_bus *bus) EXPORT_SYMBOL_GPL(pci_probe_reset_bus); /** - * pci_reset_bus - reset a PCI bus - * @bus: top level PCI bus to reset - * - * Do a bus reset on the given bus and any subordinate buses, saving - * and restoring state of all devices. - * - * Return 0 on success, non-zero on error. - */ -int pci_reset_bus(struct pci_bus *bus) -{ - int rc; - - rc = pci_bus_reset(bus, 1); - if (rc) - return rc; - - pci_bus_save_and_disable(bus); - - rc = pci_bus_reset(bus, 0); - - pci_bus_restore(bus); - - return rc; -} -EXPORT_SYMBOL_GPL(pci_reset_bus); - -/** * __pci_try_reset_bus - Try to reset a PCI bus * @bus: top level PCI bus to reset * diff --git a/include/linux/pci.h b/include/linux/pci.h index f5c85b6..ad0c89a 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1095,9 +1095,7 @@ int pci_reset_function(struct pci_dev *dev); int pci_reset_function_locked(struct pci_dev *dev); int pci_try_reset_function(struct pci_dev *dev); int pci_probe_reset_slot(struct pci_slot *slot); -int pci_reset_slot(struct pci_slot *slot); int pci_probe_reset_bus(struct pci_bus *bus); -int pci_reset_bus(struct pci_bus *bus); int pci_try_reset_bus(struct pci_dev *dev); void pci_reset_secondary_bus(struct pci_dev *dev); void pcibios_reset_secondary_bus(struct pci_dev *dev);