From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH 27/44] sparc: remove leon_dma_ops Date: Fri, 16 Jun 2017 10:45:42 +0200 Message-ID: <20170616084542.GD10582@lst.de> References: <20170608132609.32662-1-hch@lst.de> <20170608132609.32662-28-hch@lst.de> <593E4B82.70306@gaisler.com> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <593E4B82.70306@gaisler.com> Sender: netdev-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Andreas Larsson Cc: Christoph Hellwig , x86@kernel.org, linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-c6x-dev@linux-c6x.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-mips@linux-mips.org, openrisc@lists.librecores.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, dmaengine@vger.kernel.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, iommu@lists.linux-foundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org On Mon, Jun 12, 2017 at 10:06:26AM +0200, Andreas Larsson wrote: > Yes, it is needed. LEON systems are AMBA bus based. The common case here is > DMA over AMBA buses. Some LEON systems have PCI bridges, but in general > CONFIG_PCI is not a given. Ok, and even for AMBA we use the pci ops, so I'll leave it in and drop the comment from the commit.