From patchwork Tue Jul 30 14:47:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Marussi X-Patchwork-Id: 13747506 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 96A56C3DA49 for ; Tue, 30 Jul 2024 14:50:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=+DG6WYMlyYv5nW19MqjwkLPFk+h8kKYaXfLjHaQE+lY=; b=jY38YPopk2AHv6ySAmZt8/mM4K MKJIncHXEVohSRjZvy0UHHkiIeC3oSnuDi2LUkY10FvXyOvjNPRBUTkcs9myND1iI5ETpFOlXffOG lwWcg17m+kTaZzo2Th5CCXX/yE2KxTFLr+43kRIBDomauYDzvjbMTJ7xkFepWJDjSaGbih4zJJoAv LU+8WJwzyVUULhzNWAOAmaccdVAcsY3e2PiiHK2UKtMOPQL2VUdnWLoVr8c39Y02oVo/IdmZ7f3Ps ZfZ+J/WPVXcEy0Gpp5doABzHFj9HsKJhGCQLupS8ePiBal1mgOqbtu8yN/z6EyxVKkKwpwpUT0ihf ncK2ekpA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sYoBZ-0000000FX3b-0VLe; Tue, 30 Jul 2024 14:50:45 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sYo93-0000000FWEC-2aDz for linux-arm-kernel@lists.infradead.org; Tue, 30 Jul 2024 14:48:10 +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 D6F041007; Tue, 30 Jul 2024 07:48:34 -0700 (PDT) Received: from pluto.guestnet.cambridge.arm.com (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 807D53F766; Tue, 30 Jul 2024 07:48:06 -0700 (PDT) From: Cristian Marussi To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, arm-scmi@vger.kernel.org, devicetree@vger.kernel.org Cc: sudeep.holla@arm.com, james.quinlan@broadcom.com, f.fainelli@gmail.com, vincent.guittot@linaro.org, etienne.carriere@st.com, peng.fan@oss.nxp.com, michal.simek@amd.com, quic_sibis@quicinc.com, quic_nkela@quicinc.com, dan.carpenter@linaro.org, souvik.chakravarty@arm.com, robh@kernel.org, krzk+dt@kernel.org, Cristian Marussi Subject: [PATCH v1 5/6] firmware: arm_scmi: Use max_msg and max_msg_size from devicetree Date: Tue, 30 Jul 2024 15:47:06 +0100 Message-ID: <20240730144707.1647025-6-cristian.marussi@arm.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240730144707.1647025-1-cristian.marussi@arm.com> References: <20240730144707.1647025-1-cristian.marussi@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240730_074809_715223_77CDBF3D X-CRM114-Status: UNSURE ( 8.92 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Override max_msg and max_msg_size transport properties when corresponding devicetree properties are available. Signed-off-by: Cristian Marussi --- drivers/firmware/arm_scmi/driver.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index e7dab0eea540..8295e63be38e 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -2986,8 +2986,20 @@ static const struct scmi_desc *scmi_transport_setup(struct device *dev) if (ret && ret != -EINVAL) dev_err(dev, "Malformed max-rx-timeout-ms DT property.\n"); - dev_info(dev, "SCMI max-rx-timeout: %dms\n", - trans->desc->max_rx_timeout_ms); + ret = of_property_read_u32(dev->of_node, "max-msg-size", + &trans->desc->max_msg_size); + if (ret && ret != -EINVAL) + dev_err(dev, "Malformed max-msg-size DT property.\n"); + + ret = of_property_read_u32(dev->of_node, "max-msg", + &trans->desc->max_msg); + if (ret && ret != -EINVAL) + dev_err(dev, "Malformed max-msg DT property.\n"); + + dev_info(dev, + "SCMI max-rx-timeout: %dms / max-msg-size: %dbytes / max-msg: %d\n", + trans->desc->max_rx_timeout_ms, trans->desc->max_msg_size, + trans->desc->max_msg); return trans->desc; }