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=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 496C9C4338F for ; Tue, 24 Aug 2021 14:07:48 +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 152826103E for ; Tue, 24 Aug 2021 14:07:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 152826103E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Dg4kApgpwit5K1pUgyXeo6jv4skw8Md6vtEckYB5W+M=; b=1dXShBTD/FQAu5 t2UAr/tM2EZiRr3QuUIBSQUVRLitNaEJuAdaetnryAwNzumdSuRj9QntmBsoSjynVNTvjTvk9Nko6 QNARV8awOt3/fQQ2yceuYOzQZmLxBl5+nQn9Z+WB0B7jRYbfMCFk6mdGZowK9mefQmB5qz96xQHDt kghfHhTZmry6CNDLFwMB7JHYsxW/kJUo4r44PhZuHZdy5J6skp7/SaoNns95rNIjJ1UcmQEpUrtKg uycRz2be4r4XjR+hpO2CJlvjlPZyx1jTsSzqTNa26nk766a+xuQPkUBWr/xoyBgl/XKTh9l8tZXYI FRjUBk8fh8w11VADaUcA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mIX39-003Pgz-Vc; Tue, 24 Aug 2021 14:05:12 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mIWyg-003Mx5-AY for linux-arm-kernel@lists.infradead.org; Tue, 24 Aug 2021 14:00:36 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id D73B41042; Tue, 24 Aug 2021 07:00:33 -0700 (PDT) Received: from e120937-lin.home (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 2E1A33F766; Tue, 24 Aug 2021 07:00:32 -0700 (PDT) From: Cristian Marussi To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: sudeep.holla@arm.com, james.quinlan@broadcom.com, Jonathan.Cameron@Huawei.com, f.fainelli@gmail.com, etienne.carriere@linaro.org, vincent.guittot@linaro.org, souvik.chakravarty@arm.com, cristian.marussi@arm.com Subject: [PATCH v4 12/12] [RFC] firmware: arm_scmi: Make smc support atomic commands replies Date: Tue, 24 Aug 2021 14:59:41 +0100 Message-Id: <20210824135941.38656-13-cristian.marussi@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210824135941.38656-1-cristian.marussi@arm.com> References: <20210824135941.38656-1-cristian.marussi@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210824_070034_485789_DBD283B9 X-CRM114-Status: UNSURE ( 9.16 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Enable sync_cmds_atomic_replies in the SMC transport descriptor. Signed-off-by: Cristian Marussi --- NOTE THAT this flag is probably better to be also optionally settable using an optional DT property to address the fact that the same transport could expose or not this feature depending on where the SCMI server sits. (e.g. an SCMI server in S-EL1 accessed via smc dispatcher sitting in EL3) --- drivers/firmware/arm_scmi/smc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/firmware/arm_scmi/smc.c b/drivers/firmware/arm_scmi/smc.c index c13edaace8a3..479382f3cc96 100644 --- a/drivers/firmware/arm_scmi/smc.c +++ b/drivers/firmware/arm_scmi/smc.c @@ -209,4 +209,5 @@ const struct scmi_desc scmi_smc_desc = { .max_msg = 20, .max_msg_size = 128, .atomic_capable = true, + .sync_cmds_atomic_replies = true, }; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel