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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 3D786C4363A for ; Thu, 8 Oct 2020 14:38:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DE21721924 for ; Thu, 8 Oct 2020 14:38:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Y1bCIMyF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730700AbgJHOix (ORCPT ); Thu, 8 Oct 2020 10:38:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58054 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729770AbgJHOiq (ORCPT ); Thu, 8 Oct 2020 10:38:46 -0400 Received: from mail-wr1-x441.google.com (mail-wr1-x441.google.com [IPv6:2a00:1450:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A2B9FC061755 for ; Thu, 8 Oct 2020 07:38:45 -0700 (PDT) Received: by mail-wr1-x441.google.com with SMTP id n6so6595569wrm.13 for ; Thu, 08 Oct 2020 07:38:45 -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; bh=fGkjTPMi2V3zZZF0+OMF37VrvjDLPDRxTs3MRGoDMBg=; b=Y1bCIMyFDS1UY7hqJ2e5vxCxhQRE6HviXtylOjCWXSrwnTG8W5kyBwnaPSgogGxsyB TiGiZsz6UmJNxxqX9M5oQ0eoMd9fu1xxqezD/D8ckX3m/X8RUgatbmsUIUro+ahODEAu 3ItyuwY/9hLyulO704XHVVFjBz9X2tj6GMqjAPP0nhEiuU0tDGxD3JolzMesOAK1LXR3 tTSU17Om/DdKiWthuVmfuzjMuGraUTYCnSWQ3TFjX4lTgLUX8U1p21FOA2Avw7KvLM4O sI7hhYyuQyFu9SWgTytdbZ8gtyxW5NUwrEo3eUOnVhzQqRDm7cRqq6aOFUk04NI05gfY m1zg== 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; bh=fGkjTPMi2V3zZZF0+OMF37VrvjDLPDRxTs3MRGoDMBg=; b=qMf6dIsRgMv5fcCQJJxjlE/O3spI0MmUfdFeTWGzqp2GoCsXZblCFSE3Zy5jMTdb5r NXC07ND61f0LuAW30aV3iQ5+pFAJV49ZYxvHsvqwsequRciJr1U2g6N1iTXcPpa7XkJ8 6ntlHh8XUk8yTuELqPo7/M9HA5YkY+oJn6CaDUGw8xqMJw3pogk+XxxvVOkob3OUDzCj YK6NwrV2uGHQrnX4vjda8HeNFDwqz5p3zPDUMmrHt+qCQGwL72USBi+tKcW04kVF4Dys g0XQp7uQ5uVTyfnkoB3D66EXHudf6bvgR0S5hZepOWRlDBr15lpgbbfqOmf9fhIPzkV/ IV8Q== X-Gm-Message-State: AOAM533l+t9CV6NItSeYRyEdx5TbRNd2+BAPwretn66oDKhNYy3mjrJK xkPmrAH1TEs36GA6Ib13LhrZcpMi1TEk7uTDtqw= X-Google-Smtp-Source: ABdhPJyL6s+5OY5gglmH/jnSTgDyh+Lz5CLiCPryYXQ8CPd+l4JpwYWOmvdg592zQOtlwmycxHiX0g== X-Received: by 2002:a05:6000:1284:: with SMTP id f4mr9686712wrx.210.1602167924118; Thu, 08 Oct 2020 07:38:44 -0700 (PDT) Received: from lmecxl0524.lme.st.com ([2a04:cec0:11c8:908d:6533:9100:d943:8b22]) by smtp.gmail.com with ESMTPSA id y14sm6926942wma.48.2020.10.08.07.38.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Oct 2020 07:38:43 -0700 (PDT) From: Etienne Carriere To: linux-kernel@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Sudeep Holla , Cristian Marussi , Vincent Guittot , Souvik Chakravarty , Etienne Carriere , Peng Fan Subject: [PATCH 4/5] firmware: arm_scmi: smc transport supports multi-message pool Date: Thu, 8 Oct 2020 16:37:21 +0200 Message-Id: <20201008143722.21888-4-etienne.carriere@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201008143722.21888-1-etienne.carriere@linaro.org> References: <20201008143722.21888-1-etienne.carriere@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There is no reason for the smc transport to restrict itself to a 1 message pool. More can be allocated, messages are copied from/to the shared memory only on SMC exit/entry hence SCMI driver can play with several messages. Use value of 20 to mimic mailbox transport implementation. Any high value could fit. This should be something configurable. Signed-off-by: Etienne Carriere Cc: Peng Fan --- drivers/firmware/arm_scmi/smc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/firmware/arm_scmi/smc.c b/drivers/firmware/arm_scmi/smc.c index 1a03c3ec0230..82a82a5dc86a 100644 --- a/drivers/firmware/arm_scmi/smc.c +++ b/drivers/firmware/arm_scmi/smc.c @@ -149,6 +149,6 @@ static const struct scmi_transport_ops scmi_smc_ops = { const struct scmi_desc scmi_smc_desc = { .ops = &scmi_smc_ops, .max_rx_timeout_ms = 30, - .max_msg = 1, + .max_msg = 20, .max_msg_size = 128, }; -- 2.17.1