From patchwork Wed Sep 16 23:48:19 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suman Anna X-Patchwork-Id: 7201541 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 333CE9F380 for ; Wed, 16 Sep 2015 23:51:17 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1AC3D2062E for ; Wed, 16 Sep 2015 23:51:16 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2758A2063F for ; Wed, 16 Sep 2015 23:51:15 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZcMRk-0007NQ-SA; Wed, 16 Sep 2015 23:49:04 +0000 Received: from comal.ext.ti.com ([198.47.26.152]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZcMRg-0007L4-M5 for linux-arm-kernel@lists.infradead.org; Wed, 16 Sep 2015 23:49:01 +0000 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id t8GNmecq001308; Wed, 16 Sep 2015 18:48:40 -0500 Received: from DLEE70.ent.ti.com (dlee70.ent.ti.com [157.170.170.113]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id t8GNmelS008625; Wed, 16 Sep 2015 18:48:40 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.224.2; Wed, 16 Sep 2015 18:48:41 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id t8GNmexC018447; Wed, 16 Sep 2015 18:48:40 -0500 Received: from localhost (irmo.am.dhcp.ti.com [128.247.9.166]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id t8GNme922306; Wed, 16 Sep 2015 18:48:40 -0500 (CDT) From: Suman Anna To: Tony Lindgren Subject: [PATCH 1/4] ARM: OMAP2+: Remove legacy device instantiation of IOMMUs Date: Wed, 16 Sep 2015 18:48:19 -0500 Message-ID: <1442447302-5246-2-git-send-email-s-anna@ti.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1442447302-5246-1-git-send-email-s-anna@ti.com> References: <1442447302-5246-1-git-send-email-s-anna@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150916_164900_843628_4BF2035D X-CRM114-Status: GOOD ( 11.17 ) X-Spam-Score: -6.9 (------) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paul Walmsley , linux-omap@vger.kernel.org, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The legacy-style IOMMU device creation is maintained currently only for OMAP3 SoC, as all other SoCs are DT-boot only, and also to ensure functionality of the OMAP3 ISP driver, the only in-kernel client user on OMAP3 that supported both modes. Commit 78c66fbcec71 ("[media] v4l: omap3isp: Drop platform data support") removed the legacy device support from the OMAP3 ISP driver, so the legacy device instantiation of OMAP IOMMU devices is no longer needed, and is cleaned up. Signed-off-by: Suman Anna --- arch/arm/mach-omap2/omap-iommu.c | 66 ---------------------------------------- 1 file changed, 66 deletions(-) delete mode 100644 arch/arm/mach-omap2/omap-iommu.c diff --git a/arch/arm/mach-omap2/omap-iommu.c b/arch/arm/mach-omap2/omap-iommu.c deleted file mode 100644 index 8867eb4025bf..000000000000 --- a/arch/arm/mach-omap2/omap-iommu.c +++ /dev/null @@ -1,66 +0,0 @@ -/* - * omap iommu: omap device registration - * - * Copyright (C) 2008-2009 Nokia Corporation - * - * Written by Hiroshi DOYU - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include -#include -#include -#include - -#include -#include "soc.h" -#include "omap_hwmod.h" -#include "omap_device.h" - -static int __init omap_iommu_dev_init(struct omap_hwmod *oh, void *unused) -{ - struct platform_device *pdev; - struct iommu_platform_data *pdata; - struct omap_mmu_dev_attr *a = (struct omap_mmu_dev_attr *)oh->dev_attr; - static int i; - - pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); - if (!pdata) - return -ENOMEM; - - pdata->name = oh->name; - pdata->nr_tlb_entries = a->nr_tlb_entries; - - if (oh->rst_lines_cnt == 1) { - pdata->reset_name = oh->rst_lines->name; - pdata->assert_reset = omap_device_assert_hardreset; - pdata->deassert_reset = omap_device_deassert_hardreset; - } - - pdev = omap_device_build("omap-iommu", i, oh, pdata, sizeof(*pdata)); - - kfree(pdata); - - if (IS_ERR(pdev)) { - pr_err("%s: device build err: %ld\n", __func__, PTR_ERR(pdev)); - return PTR_ERR(pdev); - } - - i++; - - return 0; -} - -static int __init omap_iommu_init(void) -{ - /* If dtb is there, the devices will be created dynamically */ - if (of_have_populated_dt()) - return -ENODEV; - - return omap_hwmod_for_each_by_class("mmu", omap_iommu_dev_init, NULL); -} -omap_subsys_initcall(omap_iommu_init); -/* must be ready before omap3isp is probed */