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=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 8BC70C4338F for ; Wed, 25 Aug 2021 10:46:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 75DEB610D0 for ; Wed, 25 Aug 2021 10:46:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239735AbhHYKrk convert rfc822-to-8bit (ORCPT ); Wed, 25 Aug 2021 06:47:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45782 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239180AbhHYKri (ORCPT ); Wed, 25 Aug 2021 06:47:38 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A413AC061757 for ; Wed, 25 Aug 2021 03:46:52 -0700 (PDT) Received: from lupine.hi.pengutronix.de ([2001:67c:670:100:3ad5:47ff:feaf:1a17] helo=lupine) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mIqQf-0007JP-JD; Wed, 25 Aug 2021 12:46:45 +0200 Received: from pza by lupine with local (Exim 4.92) (envelope-from ) id 1mIqQe-0002C4-QA; Wed, 25 Aug 2021 12:46:44 +0200 Message-ID: <0cdce7a43a0b74fabc110730d2b2ec9dce5cbbff.camel@pengutronix.de> Subject: Re: [PATCH v4 10/17] soc: mediatek: mmsys: Add reset controller support for MT8195 vdosys1 From: Philipp Zabel To: "Nancy.Lin" , CK Hu , Enric Balletbo i Serra Cc: Chun-Kuang Hu , David Airlie , Daniel Vetter , Rob Herring , Matthias Brugger , "jason-jh . lin" , Yongqiang Niu , dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, singo.chang@mediatek.com, srv_heupstream@mediatek.com Date: Wed, 25 Aug 2021 12:46:44 +0200 In-Reply-To: <20210825100531.5653-11-nancy.lin@mediatek.com> References: <20210825100531.5653-1-nancy.lin@mediatek.com> <20210825100531.5653-11-nancy.lin@mediatek.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT User-Agent: Evolution 3.30.5-1.1 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:3ad5:47ff:feaf:1a17 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Wed, 2021-08-25 at 18:05 +0800, Nancy.Lin wrote: > Among other features the mmsys driver should implement a reset > controller to be able to reset different bits from their space. > > For MT8195 vdosys1, many async modules need to reset after > the display pipe stops and restart. > > Signed-off-by: Nancy.Lin > --- > drivers/soc/mediatek/mt8195-mmsys.h | 1 + > drivers/soc/mediatek/mtk-mmsys.c | 76 +++++++++++++++++++++++++++++ Cc: Enric - this patch clashes with [1], please coordinate. [1] https://lore.kernel.org/linux-arm-kernel/20210825122613.v3.6.I15e2419141a69b2e5c7e700c34d92a69df47e04d@changeid/ regards Philipp