Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6E92C7618A for ; Mon, 20 Mar 2023 09:21:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231316AbjCTJVN (ORCPT ); Mon, 20 Mar 2023 05:21:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56256 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231266AbjCTJUm (ORCPT ); Mon, 20 Mar 2023 05:20:42 -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 A9DF618A80 for ; Mon, 20 Mar 2023 02:20:40 -0700 (PDT) Received: from ptz.office.stw.pengutronix.de ([2a0a:edc0:0:900:1d::77] helo=[127.0.0.1]) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1peBgt-0007ye-C4; Mon, 20 Mar 2023 10:20:31 +0100 Message-ID: <8ea65a63-9cb2-8e80-d5ee-429db14be6d1@pengutronix.de> Date: Mon, 20 Mar 2023 10:20:28 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.2 Subject: Re: [PATCH v1] ARM: dts: stm32: Add coprocessor detach mbox on stm32mp15xx-osd32 SoM Content-Language: en-US To: =?UTF-8?Q?Leonard_G=c3=b6hrs?= , Rob Herring , Krzysztof Kozlowski , Maxime Coquelin , Alexandre Torgue Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org References: <20230310092650.1007662-1-l.goehrs@pengutronix.de> From: Ahmad Fatoum In-Reply-To: <20230310092650.1007662-1-l.goehrs@pengutronix.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 2a0a:edc0:0:900:1d::77 X-SA-Exim-Mail-From: a.fatoum@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 On 10.03.23 10:26, Leonard Göhrs wrote: > To support the detach feature, add a new mailbox channel to inform > the remote processor on a detach. This signal allows the remote processor > firmware to stop IPC communication and to reinitialize the resources for > a re-attach. > > See 6257dfc1c412dcdbd76ca5fa92c8444222dbe5b0 for a patch that does the > same for stm32mp15x-dkx boards. > > Signed-off-by: Leonard Göhrs Reviewed-by: Ahmad Fatoum Thanks, Ahmad > --- > arch/arm/boot/dts/stm32mp15xx-osd32.dtsi | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi b/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi > index 935b7084b5a2..a43965c86fe8 100644 > --- a/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi > +++ b/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi > @@ -210,8 +210,8 @@ &ipcc { > &m4_rproc { > memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>, > <&vdev0vring1>, <&vdev0buffer>; > - mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>; > - mbox-names = "vq0", "vq1", "shutdown"; > + mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>, <&ipcc 3>; > + mbox-names = "vq0", "vq1", "shutdown", "detach"; > interrupt-parent = <&exti>; > interrupts = <68 1>; > status = "okay"; > > base-commit: fe15c26ee26efa11741a7b632e9f23b01aca4cc6 -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |