From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AG47ELuIJQdgLby7UXlscGs46OgVc7sOtWk68iuLFFxY1otrhhdiQmhyO/TsGBB38alN3JjpHG7W ARC-Seal: i=1; a=rsa-sha256; t=1521211878; cv=none; d=google.com; s=arc-20160816; b=If5ttHTuoz9xiGpqWaiZij4uxmtyFHCHy6fp6US/sV9hbjaKeGyr4EQpuQF9eVdR21 u5VvDZOvy1R5MvXvnfA+jbhLNlrIH0joE3ozEkgQR+yZJFaGbzQlr/t7XW6IWlWmIU4y CJXYTO5f8zH1Xp/4U+QITkUMxZYjKyUDriQ2cBlJcPLVbDvKbepqUl3EQrmAuFCiOytu 3B58CAzoohIR02+SRvzvUL3y0wcNiyW2emepplAPiLsM75lncvZ6y19gFO5PP1MZG6rt m29+mNM2vp7MiIGOXZXOrvv+5tG3z5s5XzjFEzIPqIPa26U8BEdSYg5mciAXu5MQ8iq9 /reA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=user-agent:in-reply-to:content-disposition:mime-version:references :message-id:subject:cc:to:from:date:dkim-signature :arc-authentication-results; bh=O2m/KnDvvzi6hfU3Rh9fZRC3pcjapNrM5qfUZi00Mwo=; b=P0fv+P5WJy0fva2jsnEYyTCT/Pe6s4fCVSqschXOrvbUnm7r4+bcdRD+DfjmcHrLB0 5Kr0rTLpCQF45330Au3YzUPZ3YiKyb/cHGNqJpBhXmy/hP2f7vWZTPMuIJMH74TWCBvR ClJWlXlsuxi5aEbOvE1zWlbrcH+0OO/9jRv9lQn5E+VqEo4syfustA2vJxfmpPoDxmOM +9PXKzzcu2Z1NjZJ7NvLnB8eezDQOUfpS292wecdjgxOKrSMu/+jPe+BKixyKfCca3Ou PFKADCm54WObV9x5BOHoPoECw+EsasH1h9QS6bPvQ6Q7jd+lKyxkmgKCYh+ZIh/RINoJ nlnA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass (test mode) header.i=@8bytes.org header.s=mail-1 header.b=OdojO69X; spf=pass (google.com: domain of joro@8bytes.org designates 2a01:238:4383:600:38bc:a715:4b6d:a889 as permitted sender) smtp.mailfrom=joro@8bytes.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Authentication-Results: mx.google.com; dkim=pass (test mode) header.i=@8bytes.org header.s=mail-1 header.b=OdojO69X; spf=pass (google.com: domain of joro@8bytes.org designates 2a01:238:4383:600:38bc:a715:4b6d:a889 as permitted sender) smtp.mailfrom=joro@8bytes.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Date: Fri, 16 Mar 2018 15:51:16 +0100 From: Joerg Roedel To: Geert Uytterhoeven Cc: 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 , 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 , iommu@lists.linux-foundation.org, linux-usb@vger.kernel.org, linux-scsi@vger.kernel.org, alsa-devel@alsa-project.org, linux-ide@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fbdev@vger.kernel.org, linux1394-devel@lists.sourceforge.net, linux-fpga@vger.kernel.org, linux-i2c@vger.kernel.org, linux-iio@vger.kernel.org, linux-block@vger.kernel.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-serial@vger.kernel.org, linux-spi@vger.kernel.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 09/21] iommu: Remove depends on HAS_DMA in case of platform dependency Message-ID: <20180316145116.GE11365@8bytes.org> References: <1521208314-4783-1-git-send-email-geert@linux-m68k.org> <1521208314-4783-10-git-send-email-geert@linux-m68k.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1521208314-4783-10-git-send-email-geert@linux-m68k.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1595104321000579025?= X-GMAIL-MSGID: =?utf-8?q?1595106266719614971?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Fri, Mar 16, 2018 at 02:51:42PM +0100, Geert Uytterhoeven wrote: > 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