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 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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,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 D3EBBC4BA35 for ; Thu, 27 Feb 2020 01:27:15 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A6F0324650 for ; Thu, 27 Feb 2020 01:27:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="qgC+mkFY" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A6F0324650 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=atomide.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=uqjvOu76tnnQguc6Hn+AVQFASwsb904+Uc2CbDKlZrU=; b=qgC+mkFYjW38OD jUmCYbnmFv2o33+CXdWmaHY1i8mfULfQ2naYcIrqJPSxhLTO/KBkR/GgdHzT4EoJahxwlfXGIOdqX A4dzcrauFXMBdV1VYqTyQP7ajJAbUrRVnVlH9JZnc/1l6d9/+WFE+GuNbsUrPsogYZCvpk4uYCNMQ 1eaoWo3zP4dOx7URvnifKC6le2Y7Yve7bc5wQj27awuq0Qam9kkmrp2hHC/2p6Db0+Xi3bZYbcwcH jw37NU+pHHmkSBZ07VQGrR55tN037h3mTBWwoGd1sYf0bj4nz0O1Je4Xz7eUviFtG0zPvYmW46Y4q k7EbvBtG53p4pGvlXhPg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j77xL-00076p-2y; Thu, 27 Feb 2020 01:27:15 +0000 Received: from muru.com ([72.249.23.125]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j77xI-00075X-Eb for linux-arm-kernel@lists.infradead.org; Thu, 27 Feb 2020 01:27:13 +0000 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 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-Disposition: inline In-Reply-To: <0f47de68-6b89-4219-5ff9-a9c39b6bc759@ti.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200226_172712_536466_EE8957CB X-CRM114-Status: GOOD ( 14.71 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tero Kristo , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Roger Quadros Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel