From patchwork Wed Aug 28 14:14:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11119229 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 45B9114DE for ; Wed, 28 Aug 2019 14:15:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2412E2339E for ; Wed, 28 Aug 2019 14:15:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="PySZeX7C" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726911AbfH1OPF (ORCPT ); Wed, 28 Aug 2019 10:15:05 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:34178 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726315AbfH1OPF (ORCPT ); Wed, 28 Aug 2019 10:15:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=dcNoVkLcOFSpqEkta3afgycql03d8kNzZhx1x576b6A=; b=PySZeX7Cm0TijaFvshcMXuwXM4 uSy06EUr1VCggQ3gtbVTUi3M7BbJEuDt71eW09ylELoOXzKw/uA4ly37SFkn40z6oi7FzmOiDEfwZ ZQQaXd0hkW4BbbKcxiqT1HS/u5XpTxHqNpWGMzQY/YCTszPFh1VIAFMw6azNmraoawT7lpbC1+ipj KsS4DdpkfqHnoIXiWYIh2ZqaCMoSAzSTDynsTd+sh9Boax3avimOLzgOn/NA2UnOUANRIC2Natm0D WdzkKfQ4kQxuHi8WyDB13hlgjNbXzYTPe8ZG+2VdINBrC5tLUtgwwfmZ0K0Rv1n2liLKBDP64Tcot JfxdSzZQ==; Received: from [2001:4bb8:180:3f4c:863:2ead:e9d4:da9f] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1i2yj1-0000WZ-88; Wed, 28 Aug 2019 14:15:03 +0000 From: Christoph Hellwig To: Keith Busch , "Derrick, Jonathan" Cc: x86@kernel.org, joro@8bytes.org, linux-pci@vger.kernel.org, bhelgaas@google.com, dwmw2@infradead.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [PATCH 5/5] x86/pci: Remove X86_DEV_DMA_OPS Date: Wed, 28 Aug 2019 16:14:43 +0200 Message-Id: <20190828141443.5253-6-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190828141443.5253-1-hch@lst.de> References: <20190828141443.5253-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org There are no users of X86_DEV_DMA_OPS left, so remove the code. Signed-off-by: Christoph Hellwig --- arch/x86/Kconfig | 3 --- arch/x86/include/asm/device.h | 10 --------- arch/x86/pci/common.c | 38 ----------------------------------- 3 files changed, 51 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 222855cc0158..35597dae38b7 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2905,9 +2905,6 @@ config HAVE_ATOMIC_IOMAP def_bool y depends on X86_32 -config X86_DEV_DMA_OPS - bool - source "drivers/firmware/Kconfig" source "arch/x86/kvm/Kconfig" diff --git a/arch/x86/include/asm/device.h b/arch/x86/include/asm/device.h index a8f6c809d9b1..3e6c75a6d070 100644 --- a/arch/x86/include/asm/device.h +++ b/arch/x86/include/asm/device.h @@ -11,16 +11,6 @@ struct dev_archdata { #endif }; -#if defined(CONFIG_X86_DEV_DMA_OPS) && defined(CONFIG_PCI_DOMAINS) -struct dma_domain { - struct list_head node; - const struct dma_map_ops *dma_ops; - int domain_nr; -}; -void add_dma_domain(struct dma_domain *domain); -void del_dma_domain(struct dma_domain *domain); -#endif - struct pdev_archdata { }; diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index 9acab6ac28f5..d2ac803b6c00 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -625,43 +625,6 @@ unsigned int pcibios_assign_all_busses(void) return (pci_probe & PCI_ASSIGN_ALL_BUSSES) ? 1 : 0; } -#if defined(CONFIG_X86_DEV_DMA_OPS) && defined(CONFIG_PCI_DOMAINS) -static LIST_HEAD(dma_domain_list); -static DEFINE_SPINLOCK(dma_domain_list_lock); - -void add_dma_domain(struct dma_domain *domain) -{ - spin_lock(&dma_domain_list_lock); - list_add(&domain->node, &dma_domain_list); - spin_unlock(&dma_domain_list_lock); -} -EXPORT_SYMBOL_GPL(add_dma_domain); - -void del_dma_domain(struct dma_domain *domain) -{ - spin_lock(&dma_domain_list_lock); - list_del(&domain->node); - spin_unlock(&dma_domain_list_lock); -} -EXPORT_SYMBOL_GPL(del_dma_domain); - -static void set_dma_domain_ops(struct pci_dev *pdev) -{ - struct dma_domain *domain; - - spin_lock(&dma_domain_list_lock); - list_for_each_entry(domain, &dma_domain_list, node) { - if (pci_domain_nr(pdev->bus) == domain->domain_nr) { - pdev->dev.dma_ops = domain->dma_ops; - break; - } - } - spin_unlock(&dma_domain_list_lock); -} -#else -static void set_dma_domain_ops(struct pci_dev *pdev) {} -#endif - static void set_dev_domain_options(struct pci_dev *pdev) { if (is_vmd(pdev->bus)) @@ -697,7 +660,6 @@ int pcibios_add_device(struct pci_dev *dev) pa_data = data->next; memunmap(data); } - set_dma_domain_ops(dev); set_dev_domain_options(dev); return 0; }