From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vinod Koul Subject: Re: [PATCH v3 3/5] dmaengine: mv_xor: add support for Armada 3700 SoC Date: Tue, 26 Apr 2016 22:07:58 +0530 Message-ID: <20160426163758.GP2274@localhost> References: <1460652818-14647-1-git-send-email-gregory.clement@free-electrons.com> <1460652818-14647-4-git-send-email-gregory.clement@free-electrons.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1460652818-14647-4-git-send-email-gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Gregory CLEMENT Cc: dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Rob Herring , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Nadav Haklai , Lior Amsalem , Thomas Petazzoni , Romain Perier , Omri Itach , Marcin Wojtas List-Id: devicetree@vger.kernel.org On Thu, Apr 14, 2016 at 06:53:36PM +0200, Gregory CLEMENT wrote: > From: Marcin Wojtas > > Armada 3700 SoC comprise a single XOR engine compliant with the ones used > in older Marvell SoC's like Armada XP or 38x. The only thing that needs > modification is the Mbus configuration, which has to be done on two > levels: global and in device. The first one is inherited from the > bootlader. The latter can be opened in a default way, leaving s/bootlader/bootloader > arbitration to the bus controller. Hence filled mbus_dram_target_info > structure is not needed. > > Patch "dmaengine: mv_xor: optimize performance by using a subset > of the XOR channels" introduced limitation for using XOR engines and > channels vs number of available CPU's. Those contstraints do not however s/contstraints/constraints -- ~Vinod -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html