From patchwork Fri Mar 16 13:51:42 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 886861 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="sDFRd8mh"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 402njq1d86z9s1B for ; Sat, 17 Mar 2018 01:22:55 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=2ISRHLlidE79Iq804c03rFkxkuom4VJ0rdERZA/O/DM=; b=sDFRd8mhwtIfVdVKVtrQ6957VY 7wbIHHZm6Ir3sQdtlXM+lHmf+0ZxjcYy6XYRI+fGdlz13NZK6g50DrfEJukCdheP4ICAHFgRADU7F eB1WkXhEeMA7ud5oED3TgBQlccB8rv/Wb8FGgEf3soSS8zg1HMP6MEdwvZOKnGCVnjUyopsqCBK06 Rj2HnFyl0q43wp7DciSpoCNX3xqs2ayHfjb8mXwRdrAUfpA0BXJyy+afIsQwBzPVE/1vv+5oeASUq vcXwE/gMSXXwMw+3eVKmzkpiht55HjOTMz0OLdVekQcGNSo3IRojjCziuYb9uGbv7aoRH0Dy/RT/G hJuIBkdA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1ewqFt-0005Ct-KX; Fri, 16 Mar 2018 14:22:49 +0000 Received: from laurent.telenet-ops.be ([2a02:1800:110:4::f00:19]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1ewqDi-0002vc-Hy for linux-mtd@lists.infradead.org; Fri, 16 Mar 2018 14:20:53 +0000 Received: from ayla.of.borg ([84.194.111.163]) by laurent.telenet-ops.be with bizsmtp id NeKa1x00t3XaVaC01eKa7G; Fri, 16 Mar 2018 15:20:22 +0100 Received: from ramsan.of.borg ([192.168.97.29] helo=ramsan) by ayla.of.borg with esmtp (Exim 4.86_2) (envelope-from ) id 1ewpm1-0000QO-B6; Fri, 16 Mar 2018 14:51:57 +0100 Received: from geert by ramsan with local (Exim 4.86_2) (envelope-from ) id 1ewpm1-0001Gv-2l; Fri, 16 Mar 2018 14:51:57 +0100 From: Geert Uytterhoeven To: Christoph Hellwig , Marek Szyprowski , Robin Murphy , Felipe Balbi , Greg Kroah-Hartman , "James E . J . Bottomley" , "Martin K . Petersen" , Andrew Morton , Mark Brown , Liam Girdwood , Tejun Heo , Herbert Xu , "David S . Miller" , Bartlomiej Zolnierkiewicz , Stefan Richter , Alan Tull , Moritz Fischer , Wolfram Sang , Jonathan Cameron , Joerg Roedel , Matias Bjorling , Jassi Brar , Mauro Carvalho Chehab , Ulf Hansson , David Woodhouse , Brian Norris , Marek Vasut , Cyrille Pitchen , Boris Brezillon , Richard Weinberger , Kalle Valo , Ohad Ben-Cohen , Bjorn Andersson , Eric Anholt , Stefan Wahren Subject: [PATCH v2 09/21] iommu: Remove depends on HAS_DMA in case of platform dependency Date: Fri, 16 Mar 2018 14:51:42 +0100 Message-Id: <1521208314-4783-10-git-send-email-geert@linux-m68k.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1521208314-4783-1-git-send-email-geert@linux-m68k.org> References: <1521208314-4783-1-git-send-email-geert@linux-m68k.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180316_072035_213970_7C4F7C97 X-CRM114-Status: GOOD ( 13.87 ) X-Spam-Score: -0.7 (/) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-0.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [2a02:1800:110:4:0:0:f00:19 listed in] [list.dnswl.org] X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alsa-devel@alsa-project.org, linux-iio@vger.kernel.org, linux-fpga@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-ide@vger.kernel.org, linux-mtd@lists.infradead.org, linux-i2c@vger.kernel.org, linux1394-devel@lists.sourceforge.net, devel@driverdev.osuosl.org, linux-scsi@vger.kernel.org, Geert Uytterhoeven , linux-serial@vger.kernel.org, linux-media@vger.kernel.org, linux-block@vger.kernel.org, netdev@vger.kernel.org, linux-usb@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, iommu@lists.linux-foundation.org, linux-crypto@vger.kernel.org MIME-Version: 1.0 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Remove dependencies on HAS_DMA where a Kconfig symbol depends on another symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST". In most cases this other symbol is an architecture or platform specific symbol, or PCI. Generic symbols and drivers without platform dependencies keep their dependencies on HAS_DMA, to prevent compiling subsystems or drivers that cannot work anyway. This simplifies the dependencies, and allows to improve compile-testing. Signed-off-by: Geert Uytterhoeven Reviewed-by: Mark Brown Acked-by: Robin Murphy Acked-by: Joerg Roedel --- v2: - Add Reviewed-by, Acked-by, - Drop RFC state, - Split per subsystem. --- drivers/iommu/Kconfig | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index f3a21343e636a8f2..32e91398c0555272 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -23,7 +23,7 @@ config IOMMU_IO_PGTABLE config IOMMU_IO_PGTABLE_LPAE bool "ARMv7/v8 Long Descriptor Format" select IOMMU_IO_PGTABLE - depends on HAS_DMA && (ARM || ARM64 || (COMPILE_TEST && !GENERIC_ATOMIC64)) + depends on ARM || ARM64 || (COMPILE_TEST && !GENERIC_ATOMIC64) help Enable support for the ARM long descriptor pagetable format. This allocator supports 4K/2M/1G, 16K/32M and 64K/512M page @@ -42,7 +42,7 @@ config IOMMU_IO_PGTABLE_LPAE_SELFTEST config IOMMU_IO_PGTABLE_ARMV7S bool "ARMv7/v8 Short Descriptor Format" select IOMMU_IO_PGTABLE - depends on HAS_DMA && (ARM || ARM64 || COMPILE_TEST) + depends on ARM || ARM64 || COMPILE_TEST help Enable support for the ARM Short-descriptor pagetable format. This supports 32-bit virtual and physical addresses mapped using @@ -374,7 +374,6 @@ config QCOM_IOMMU # Note: iommu drivers cannot (yet?) be built as modules bool "Qualcomm IOMMU Support" depends on ARCH_QCOM || (COMPILE_TEST && !GENERIC_ATOMIC64) - depends on HAS_DMA select IOMMU_API select IOMMU_IO_PGTABLE_LPAE select ARM_DMA_USE_IOMMU