Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754040AbcJDNCw (ORCPT ); Tue, 4 Oct 2016 09:02:52 -0400 Received: from mail-pf0-f174.google.com ([209.85.192.174]:35605 "EHLO mail-pf0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751498AbcJDNCu (ORCPT ); Tue, 4 Oct 2016 09:02:50 -0400 From: Kevin Hilman To: Peter Ujfalusi Cc: Sekhar Nori , Bartosz Golaszewski , Michael Turquette , Rob Herring , Mark Rutland , Russell King , LKML , arm-soc Subject: Re: [PATCH 6/6] ARM: da850: adjust memory settings for tilcdc Organization: BayLibre References: <1475166715-7857-1-git-send-email-bgolaszewski@baylibre.com> <1475166715-7857-7-git-send-email-bgolaszewski@baylibre.com> <4e089d20-d00f-ff54-7c54-85aa061e23c2@ti.com> <91db8934-bfd6-8fc4-74e3-4844ef3bd3e7@ti.com> <948c3f9e-f11b-092c-e002-e2ef4436197f@ti.com> <0125defa-5c34-85d0-f62a-133235c5094c@ti.com> Date: Tue, 04 Oct 2016 06:02:48 -0700 In-Reply-To: <0125defa-5c34-85d0-f62a-133235c5094c@ti.com> (Peter Ujfalusi's message of "Mon, 3 Oct 2016 10:13:25 +0300") Message-ID: <7hvax8ferr.fsf@baylibre.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 713 Lines: 21 Peter Ujfalusi writes: > On 10/01/16 12:24, Sekhar Nori wrote: [...] >> In any case, to configure the PBBR, you will have to introduce a driver >> for it in drivers/memory. Then you can set it up per board using a DT >> parameter. > > and we can reuse the introduced bindings for am335x and OMAP1/2 as well. On > OMAP the legacy DMA API provided a call to raise the priority of the sDMA in > EMIF :o That needs to be removed and replaced. Can you point us to the bindings you're referring to? Also, a new driver in drivers/memory is fine for setting the PBBR, but what about the SYSCFG0 registers. Are you OK with leaving those in the init code as proposed in $SUBJECT patch? Kevin