From patchwork Thu Jun 2 22:27:41 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ohad Ben Cohen X-Patchwork-Id: 845122 X-Patchwork-Delegate: tony@atomide.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p52MVpOb007337 for ; Thu, 2 Jun 2011 22:31:51 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755173Ab1FBWbN (ORCPT ); Thu, 2 Jun 2011 18:31:13 -0400 Received: from mail-wy0-f174.google.com ([74.125.82.174]:36061 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752851Ab1FBWbK (ORCPT ); Thu, 2 Jun 2011 18:31:10 -0400 Received: by wya21 with SMTP id 21so1007554wya.19 for ; Thu, 02 Jun 2011 15:31:08 -0700 (PDT) Received: by 10.227.207.144 with SMTP id fy16mr1224933wbb.46.1307053868533; Thu, 02 Jun 2011 15:31:08 -0700 (PDT) Received: from localhost.localdomain (109-186-65-238.bb.netvision.net.il [109.186.65.238]) by mx.google.com with ESMTPS id et5sm658510wbb.33.2011.06.02.15.31.06 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 02 Jun 2011 15:31:08 -0700 (PDT) From: Ohad Ben-Cohen To: , , , Cc: , , , , , Ohad Ben-Cohen Subject: [RFC 4/6] drivers: iommu: move to a dedicated folder Date: Fri, 3 Jun 2011 01:27:41 +0300 Message-Id: <1307053663-24572-5-git-send-email-ohad@wizery.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1307053663-24572-1-git-send-email-ohad@wizery.com> References: <1307053663-24572-1-git-send-email-ohad@wizery.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Thu, 02 Jun 2011 22:31:51 +0000 (UTC) Create a dedicated folder for iommu drivers, and move the base iommu implementation over there. Grouping the varius iommu drivers in a single location will help finding similar problems shared by different platforms, so they could be solved once, in the iommu framework, instead of solved diff --git a/drivers/base/iommu.c b/drivers/iommu/iommu.c similarity index 100% rename from drivers/base/iommu.c rename to drivers/iommu/iommu.c differently (or duplicated) in each driver. Signed-off-by: Ohad Ben-Cohen --- arch/arm/mach-msm/Kconfig | 3 --- arch/arm/plat-omap/Kconfig | 3 --- arch/x86/Kconfig | 5 ++--- drivers/Kconfig | 2 ++ drivers/Makefile | 1 + drivers/base/Makefile | 1 - drivers/iommu/Kconfig | 3 +++ drivers/iommu/Makefile | 1 + drivers/{base => iommu}/iommu.c | 0 9 files changed, 9 insertions(+), 10 deletions(-) create mode 100644 drivers/iommu/Kconfig create mode 100644 drivers/iommu/Makefile rename drivers/{base => iommu}/iommu.c (100%) diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig index 1516896..efb7b7d 100644 --- a/arch/arm/mach-msm/Kconfig +++ b/arch/arm/mach-msm/Kconfig @@ -205,9 +205,6 @@ config MSM_GPIOMUX config MSM_V2_TLMM bool -config IOMMU_API - bool - config MSM_SCM bool endif diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index 1c3acb5..1bb1981 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -131,9 +131,6 @@ config OMAP_MBOX_KFIFO_SIZE This can also be changed at runtime (via the mbox_kfifo_size module parameter). -config IOMMU_API - bool - #can't be tristate; iommu api doesn't support un-registration config OMAP_IOMMU bool diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index da34972..460d573 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -685,6 +685,7 @@ config AMD_IOMMU select SWIOTLB select PCI_MSI select PCI_IOV + select IOMMU_API depends on X86_64 && PCI && ACPI ---help--- With this option you can enable support for AMD IOMMU hardware in @@ -720,9 +721,6 @@ config SWIOTLB config IOMMU_HELPER def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU) -config IOMMU_API - def_bool (AMD_IOMMU || DMAR) - config MAXSMP bool "Enable Maximum number of SMP Processors and NUMA Nodes" depends on X86_64 && SMP && DEBUG_KERNEL && EXPERIMENTAL @@ -1945,6 +1943,7 @@ config PCI_CNB20LE_QUIRK config DMAR bool "Support for DMA Remapping Devices (EXPERIMENTAL)" depends on PCI_MSI && ACPI && EXPERIMENTAL + select IOMMU_API help DMA remapping (DMAR) devices support enables independent address translations for Direct Memory Access (DMA) from devices. diff --git a/drivers/Kconfig b/drivers/Kconfig index 3bb154d..9d51318 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -126,4 +126,6 @@ source "drivers/hwspinlock/Kconfig" source "drivers/clocksource/Kconfig" +source "drivers/iommu/Kconfig" + endmenu diff --git a/drivers/Makefile b/drivers/Makefile index 09f3232..2f7a71a 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -122,3 +122,4 @@ obj-y += ieee802154/ obj-y += clk/ obj-$(CONFIG_HWSPINLOCK) += hwspinlock/ +obj-$(CONFIG_IOMMU_API) += iommu/ diff --git a/drivers/base/Makefile b/drivers/base/Makefile index 4c5701c..5ab0d07 100644 --- a/drivers/base/Makefile +++ b/drivers/base/Makefile @@ -13,7 +13,6 @@ obj-$(CONFIG_FW_LOADER) += firmware_class.o obj-$(CONFIG_NUMA) += node.o obj-$(CONFIG_MEMORY_HOTPLUG_SPARSE) += memory.o obj-$(CONFIG_SMP) += topology.o -obj-$(CONFIG_IOMMU_API) += iommu.o ifeq ($(CONFIG_SYSFS),y) obj-$(CONFIG_MODULES) += module.o endif diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig new file mode 100644 index 0000000..2c5dfb4 --- /dev/null +++ b/drivers/iommu/Kconfig @@ -0,0 +1,3 @@ +# IOMMU_API always gets selected by whoever wants it. +config IOMMU_API + bool diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile new file mode 100644 index 0000000..241ba4c --- /dev/null +++ b/drivers/iommu/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_IOMMU_API) += iommu.o