From patchwork Mon Nov 27 16:57:53 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sinan Kaya X-Patchwork-Id: 10077525 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 A914C6028E for ; Mon, 27 Nov 2017 17:04:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 97EFF28F7A for ; Mon, 27 Nov 2017 17:04:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8CF8A28F8C; Mon, 27 Nov 2017 17:04:31 +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=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, 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 0E92C28F7A for ; Mon, 27 Nov 2017 17:04:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932212AbdK0Q7H (ORCPT ); Mon, 27 Nov 2017 11:59:07 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:57378 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932201AbdK0Q7F (ORCPT ); Mon, 27 Nov 2017 11:59:05 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id B71696A4A8; Mon, 27 Nov 2017 16:59:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1511801944; bh=qTnktusNN2SxGe39HE57Y+9cfTdIdfBXUeuPqeDErsQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ve22rJU72FNndXxXA0QbQrwxl0UTI6x6uR6Zw/0DplB9DjZctp1LLsFfOn18WirJk CCBNj8dZCmlHrH3Qa2/ODkU4bjvXrj0UOdzpFh7lhN5NiaSIepM5BbKZG2/g/xPLy7 mxdT9RckFSq0ydaO+DyWERZqHIRYB+M60Sbof+pE= 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 891E26A4A8; Mon, 27 Nov 2017 16:59:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1511801943; bh=qTnktusNN2SxGe39HE57Y+9cfTdIdfBXUeuPqeDErsQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=S+f7qZ9oNTcH5QN9rKaBBxWnZTpvzFDE4SFOH4nYOnL7TokCqxFfU5cS4vZL5/Xvi L5Yq1VJwdJhytjj6bgmDPeZ/J/dMPGUfeNgHtNiMpmdxPNrnKu3iQoHRpPvF6NWVNy nMuYSwkebHuneMarA2igE2QSnqsQYR3YMo/1b2kI= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 891E26A4A8 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, timur@codeaurora.org Cc: linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, intel-gfx@lists.freedesktop.org, Sinan Kaya , Bjorn Helgaas , linux-kernel@vger.kernel.org (open list) Subject: [PATCH V3 16/29] PCI: cpqhp: deprecate pci_get_bus_and_slot() Date: Mon, 27 Nov 2017 11:57:53 -0500 Message-Id: <1511801886-6753-17-git-send-email-okaya@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1511801886-6753-1-git-send-email-okaya@codeaurora.org> References: <1511801886-6753-1-git-send-email-okaya@codeaurora.org> 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 pci_get_bus_and_slot() is restrictive such that it assumes domain=0 as where a PCI device is present. This restricts the device drivers to be reused for other domain numbers. Getting ready to remove pci_get_bus_and_slot() function in favor of pci_get_domain_bus_and_slot(). Hard-coding the domain number as 0. The code doesn't seem to be ready for multiple domains. Signed-off-by: Sinan Kaya --- drivers/pci/hotplug/cpqphp_pci.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/drivers/pci/hotplug/cpqphp_pci.c b/drivers/pci/hotplug/cpqphp_pci.c index e220d49..8897a77 100644 --- a/drivers/pci/hotplug/cpqphp_pci.c +++ b/drivers/pci/hotplug/cpqphp_pci.c @@ -89,7 +89,9 @@ int cpqhp_configure_device(struct controller *ctrl, struct pci_func *func) pci_lock_rescan_remove(); if (func->pci_dev == NULL) - func->pci_dev = pci_get_bus_and_slot(func->bus, PCI_DEVFN(func->device, func->function)); + func->pci_dev = pci_get_domain_bus_and_slot(0, func->bus, + PCI_DEVFN(func->device, + func->function)); /* No pci device, we need to create it then */ if (func->pci_dev == NULL) { @@ -99,7 +101,9 @@ int cpqhp_configure_device(struct controller *ctrl, struct pci_func *func) if (num) pci_bus_add_devices(ctrl->pci_dev->bus); - func->pci_dev = pci_get_bus_and_slot(func->bus, PCI_DEVFN(func->device, func->function)); + func->pci_dev = pci_get_domain_bus_and_slot(0, func->bus, + PCI_DEVFN(func->device, + func->function)); if (func->pci_dev == NULL) { dbg("ERROR: pci_dev still null\n"); goto out; @@ -129,7 +133,10 @@ int cpqhp_unconfigure_device(struct pci_func *func) pci_lock_rescan_remove(); for (j = 0; j < 8 ; j++) { - struct pci_dev *temp = pci_get_bus_and_slot(func->bus, PCI_DEVFN(func->device, j)); + struct pci_dev *temp = pci_get_domain_bus_and_slot(0, + func->bus, + PCI_DEVFN(func->device, + j)); if (temp) { pci_dev_put(temp); pci_stop_and_remove_bus_device(temp); @@ -319,6 +326,7 @@ int cpqhp_save_config(struct controller *ctrl, int busnumber, int is_hot_plug) int cloop = 0; int stop_it; int index; + u16 devfn; /* Decide which slots are supported */ @@ -416,7 +424,9 @@ int cpqhp_save_config(struct controller *ctrl, int busnumber, int is_hot_plug) new_slot->switch_save = 0x10; /* In case of unsupported board */ new_slot->status = DevError; - new_slot->pci_dev = pci_get_bus_and_slot(new_slot->bus, (new_slot->device << 3) | new_slot->function); + devfn = (new_slot->device << 3) | new_slot->function; + new_slot->pci_dev = pci_get_domain_bus_and_slot(0, + new_slot->bus, devfn); for (cloop = 0; cloop < 0x20; cloop++) { rc = pci_bus_read_config_dword(ctrl->pci_bus, PCI_DEVFN(device, function), cloop << 2, (u32 *) &(new_slot->config_space[cloop]));