From patchwork Mon Jan 28 18:56:13 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Petazzoni X-Patchwork-Id: 2057341 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id B4DC73FD1A for ; Mon, 28 Jan 2013 18:56:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751638Ab3A1S4t (ORCPT ); Mon, 28 Jan 2013 13:56:49 -0500 Received: from mail.free-electrons.com ([94.23.35.102]:58163 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751705Ab3A1S4s (ORCPT ); Mon, 28 Jan 2013 13:56:48 -0500 Received: by mail.free-electrons.com (Postfix, from userid 106) id 260235EE8; Mon, 28 Jan 2013 19:56:50 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on mail.free-electrons.com X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT shortcircuit=ham autolearn=disabled version=3.3.2 Received: from localhost (humanoidz.org [82.247.183.72]) by mail.free-electrons.com (Postfix) with ESMTPSA id 792AF5ED4; Mon, 28 Jan 2013 19:56:49 +0100 (CET) From: Thomas Petazzoni To: Bjorn Helgaas , linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Jason Cooper , Andrew Lunn , Gregory Clement , Arnd Bergmann , Maen Suleiman , Lior Amsalem , Thierry Reding , Eran Ben-Avi , Nadav Haklai , Shadi Ammouri , Tawfik Bayouk , Stephen Warren , Jason Gunthorpe , Russell King - ARM Linux Subject: [PATCH v2 04/27] ARM: pci: Allow passing per-controller private data Date: Mon, 28 Jan 2013 19:56:13 +0100 Message-Id: <1359399397-29729-5-git-send-email-thomas.petazzoni@free-electrons.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1359399397-29729-1-git-send-email-thomas.petazzoni@free-electrons.com> References: <1359399397-29729-1-git-send-email-thomas.petazzoni@free-electrons.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org From: Thierry Reding In order to allow drivers to specify private data for each controller, this commit adds a private_data field to the struct hw_pci. This field is an array of nr_controllers pointers that will be used to initialize the private_data field of the corresponding controller's pci_sys_data structure. Signed-off-by: Thierry Reding --- arch/arm/include/asm/mach/pci.h | 1 + arch/arm/kernel/bios32.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h index db9fedb..5cf2e97 100644 --- a/arch/arm/include/asm/mach/pci.h +++ b/arch/arm/include/asm/mach/pci.h @@ -23,6 +23,7 @@ struct hw_pci { #endif struct pci_ops *ops; int nr_controllers; + void **private_data; int (*setup)(int nr, struct pci_sys_data *); struct pci_bus *(*scan)(int nr, struct pci_sys_data *); void (*preinit)(void); diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index 379cf32..5401645 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -464,6 +464,9 @@ static void __init pcibios_init_hw(struct hw_pci *hw, struct list_head *head) sys->map_irq = hw->map_irq; INIT_LIST_HEAD(&sys->resources); + if (hw->private_data) + sys->private_data = hw->private_data[nr]; + ret = hw->setup(nr, sys); if (ret > 0) {