From patchwork Fri Apr 24 20:25:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mathieu Poirier X-Patchwork-Id: 11509235 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6542214DD for ; Fri, 24 Apr 2020 20:25:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4D45D2166E for ; Fri, 24 Apr 2020 20:25:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Gp0+Zj2A" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729522AbgDXUZT (ORCPT ); Fri, 24 Apr 2020 16:25:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42926 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729513AbgDXUZS (ORCPT ); Fri, 24 Apr 2020 16:25:18 -0400 Received: from mail-pj1-x1044.google.com (mail-pj1-x1044.google.com [IPv6:2607:f8b0:4864:20::1044]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4478AC09B049 for ; Fri, 24 Apr 2020 13:25:17 -0700 (PDT) Received: by mail-pj1-x1044.google.com with SMTP id e6so4335103pjt.4 for ; Fri, 24 Apr 2020 13:25:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=KQbiUnUIr9QFPfrMWtrls9xYCut1DTLsNUPTpZeLJzM=; b=Gp0+Zj2AsVqjmrkROdpibc9WVlvp7tcdcOdZdQHBsR3UgKeec463gD/gEO3BwUfxId 4qs80FR5WSpzNR1SqjnslyncQsgieuO8FYOSgr5hwqOfCi41IVUjNNC5q5Zzr6j2I3yi KJjHDvIlGO48gwfAIbEwO3n5i2jge5R4cWWMaHUprhq/I4laBl8nmafuy317N+fyZmX8 gy/EOSGWad5Rt3pnr1KQ/DTkoocO+75wrBOQXlXeVt7zb1LIqqCqbavhbNh3j+XucUBk YEIf7REW3jwi9Nf2//7v64N+cSG95iVoOExMctUIfyLuDu0h5IOb/KzEZb2XNtq0cgZZ 9ypg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=KQbiUnUIr9QFPfrMWtrls9xYCut1DTLsNUPTpZeLJzM=; b=WzJh90KCGlAdiD66pZbPOIrueIWJMrAXAY3RYIC8HajW/hnsusU/NmXFxZUCtEQjgl O45XS/VpyO0+BzreGSlzC7/PX0NKqRnT/E6xeVBecS2VhyFvwoDIiPh1qrhgLxFEQ/u/ XZxplUTpK9WwrZVW4f2+hur/bcCNlde5JUA5xHYcy3GNpojuyOhRJSS3zC4fC9l4s3HX v87HPSnGq1sRr31KbhUCbBgY5ng9GmrXG0jXoiDPWVgyZZGVQm0TyBk39Fyjuao67HrG eVlGuSkXFKDqnTjV8hSGAI9c7Y11APHGh7hxevoL7TvJv6NFKJz455EJ+sr1vM+u73kU iwXA== X-Gm-Message-State: AGi0PuaNvbT1k6hmItDl/N1zONdo77YiT8hzbBQauEJAlIAxWvIbchkJ yaF3LOu/pVfVmdQoSUz4xvjWkA== X-Google-Smtp-Source: APiQypIv6YWdkGqDXxYu9zKGxgTIDNuyx5qK9TgKQ6Q3MhTchnZhEiINgsaF5cc/+xunWfpXSGwU1A== X-Received: by 2002:a17:90a:1a46:: with SMTP id 6mr8190985pjl.111.1587759916801; Fri, 24 Apr 2020 13:25:16 -0700 (PDT) Received: from xps15.cg.shawcable.net (S0106002369de4dac.cg.shawcable.net. [68.147.8.254]) by smtp.gmail.com with ESMTPSA id c1sm6553245pfc.94.2020.04.24.13.25.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Apr 2020 13:25:16 -0700 (PDT) From: Mathieu Poirier To: bjorn.andersson@linaro.org, ohad@wizery.com, mcoquelin.stm32@gmail.com, alexandre.torgue@st.com Cc: loic.pallardy@st.com, arnaud.pouliquen@st.com, linux-remoteproc@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 08/12] remoteproc: stm32: Introduce new start ops for synchronisation Date: Fri, 24 Apr 2020 14:25:01 -0600 Message-Id: <20200424202505.29562-9-mathieu.poirier@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200424202505.29562-1-mathieu.poirier@linaro.org> References: <20200424202505.29562-1-mathieu.poirier@linaro.org> MIME-Version: 1.0 Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org Introduce new start functions to be used when synchonising with an MCU. Mainly based on the work published by Arnaud Pouliquen [1]. [1]. https://patchwork.kernel.org/project/linux-remoteproc/list/?series=239877 Signed-off-by: Mathieu Poirier Reviewed-by: Arnaud Pouliquen --- drivers/remoteproc/stm32_rproc.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c index 8ba69e903851..404f17a97095 100644 --- a/drivers/remoteproc/stm32_rproc.c +++ b/drivers/remoteproc/stm32_rproc.c @@ -449,6 +449,13 @@ static int stm32_rproc_start(struct rproc *rproc) return stm32_rproc_set_hold_boot(rproc, true); } +static int stm32_rproc_sync_start(struct rproc *rproc) +{ + stm32_rproc_add_coredump_trace(rproc); + + return stm32_rproc_set_hold_boot(rproc, true); +} + static int stm32_rproc_stop(struct rproc *rproc) { struct stm32_rproc *ddata = rproc->priv; @@ -522,6 +529,10 @@ static struct rproc_ops st_rproc_ops = { .get_boot_addr = rproc_elf_get_boot_addr, }; +static __maybe_unused struct rproc_ops st_rproc_sync_ops = { + .start = stm32_rproc_sync_start, +}; + static const struct of_device_id stm32_rproc_match[] = { { .compatible = "st,stm32mp1-m4" }, {},