From patchwork Fri Oct 18 08:06:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Marussi X-Patchwork-Id: 13841366 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 3FDA4D2127B for ; Fri, 18 Oct 2024 08:14:57 +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=xOgwJ3dBuDPeN4biBO7QebivGNZ/wr+qC+8OvqjoyoA=; b=H71hz1Mtoikv3t8+qPth0k+sND PqoNukLwVB1Z7HgxNrjVNy/cfYzXqZCiwBPTLtw5CtsB7obJL5LZuaD4cM7tfsJhNfoT5X8QZEpty wLCxzcnyMli+EONseNJOiTbxAM3HKNoB92ftbtA8tZcYTdIUDaEDCQmZZ2VI6ZJpEWG8k5JVdIox7 cbQieB1gZdqsFPKnRfMw0LMtLY5WnVu2Cjiddx7f8mLGYVMpyOB8ovTkHQSCkUfzTXNL+uWMqXRqr 9xO9aOpwVMmxCrqo+y3z08mJI79/TMAELhE0yGIqpT5pk40CPgKCz038T4QbQsxKfwwmnxdKiyrkb CKjTS9tQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t1i8D-0000000HTAo-1gvF; Fri, 18 Oct 2024 08:14:45 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t1i0j-0000000HRMC-0Zl6 for linux-arm-kernel@lists.infradead.org; Fri, 18 Oct 2024 08:07:08 +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 3536BFEC; Fri, 18 Oct 2024 01:07:30 -0700 (PDT) Received: from pluto.. (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 798653F528; Fri, 18 Oct 2024 01:06:58 -0700 (PDT) From: Cristian Marussi To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, arm-scmi@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, Cristian Marussi Subject: [PATCH 4/5] firmware: arm_scmi: Use max_msg and max_msg_size devicetree properties Date: Fri, 18 Oct 2024 09:06:01 +0100 Message-ID: <20241018080602.3952869-5-cristian.marussi@arm.com> X-Mailer: git-send-email 2.46.1 In-Reply-To: <20241018080602.3952869-1-cristian.marussi@arm.com> References: <20241018080602.3952869-1-cristian.marussi@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241018_010701_479100_3FB08A39 X-CRM114-Status: UNSURE ( 9.44 ) 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 the default built-in max_msg and max_msg_size transport properties when the corresponding properties were found to be described in the devicetree. 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 015a4d52ae37..09eb0713d91c 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -3056,8 +3056,20 @@ 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; }