From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE7ECC4BA24 for ; Thu, 27 Feb 2020 01:27:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BC7EE24670 for ; Thu, 27 Feb 2020 01:27:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728135AbgB0B1J (ORCPT ); Wed, 26 Feb 2020 20:27:09 -0500 Received: from muru.com ([72.249.23.125]:57948 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728133AbgB0B1J (ORCPT ); Wed, 26 Feb 2020 20:27:09 -0500 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 478558022; Thu, 27 Feb 2020 01:27:53 +0000 (UTC) Date: Wed, 26 Feb 2020 17:27:05 -0800 From: Tony Lindgren To: Suman Anna Cc: Tero Kristo , Roger Quadros , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 0/3] Drop PRUSS and OMAP4 IPU/DSP hwmod data Message-ID: <20200227012705.GD37466@atomide.com> References: <20200224232152.25562-1-s-anna@ti.com> <20200226182603.GT37466@atomide.com> <0f47de68-6b89-4219-5ff9-a9c39b6bc759@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0f47de68-6b89-4219-5ff9-a9c39b6bc759@ti.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org * Suman Anna [200226 20:31]: > On 2/26/20 12:26 PM, Tony Lindgren wrote: > > * Suman Anna [200224 15:22]: > >> Hi Tony, > >> > >> The following patches drop the hwmod data for PRUSS on AM33xx and AM437x > >> SoCs, and for the IPU and DSP processors on OMAP4 SoC. Patches are based > >> on 5.6-rc1. Please consider these for the 5.7 merge window. > >> > >> I will be submitting another series tomorrow to add the ti-sysc support > >> for PRUSS. Nevertheless, the PRUSS hwmods will not be used going forward > >> and can be dropped independently. > >> > >> The IPU and DSP hwmods were never added for OMAP5 and DRA7xx/AM57xx SoCs, > >> and the MMU data was already dropped for 5.6-rc1, as it has all been > >> converted to ti-sysc and omap-prm. The DT nodes for these will follow > >> for the next merge window once the current OMAP remoteproc DT support > >> is accepted [1]. > > > > Well we still need the hwmod data until dts data is in place to reset > > and idle these modules. So I'll wait with this set until we have the > > dts changes in place. > > Not really, you cannot just idle these processors devices by themselves > without the cores running. The hwmod code actually keeps these in the > default reset asserted state itself, so no harm done in dropping the > data. The remoteproc bindings are acked, so for next merge window, we > can post the dts nodes once those get merged. OK if they are in reset from the bootloader.. I'll try to check. Regards, Tony