From patchwork Mon Nov 22 23:06:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Marussi X-Patchwork-Id: 12693390 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 6439FC433FE for ; Mon, 22 Nov 2021 23:19:28 +0000 (UTC) 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=e2lSX+TolJTQGl6f1tGfY1SM642JI2KUs+q/9IYQtfE=; b=kICHSsL1d5AgJ5 68Rvt39xFyQPYtw+RTHwDVvN9QYZkAW9LMpjrHkaC3gbnbEMJzlKVrOvmqxKsoo4zPxdeDKGC3Tv6 aWC3zX1pY9qRu2ypMCevT33yOZR6e6EF1tiq/DiqEjSgx0k3SMZYSqXvWo+tDe7ibT61K0DO9/Neu +K8Vn71T+wumvw2P3zhCkjnyOnq1Q9p+2ymt7IhORLdSLUf3afC0sf28MmgW8TdV00/6UGnjAe31H vXcZrXN7oY6O6C9bH4aT4S/oVElYOz23nfgHvGRdSfdAmRHen1G8OuzDCIcLyEF5NZWVMSI8PPEzO 4nOFRNA19nfdbKn+fhWw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mpIZL-000MqZ-FU; Mon, 22 Nov 2021 23:17:52 +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 1mpIP3-000JXh-0Q for linux-arm-kernel@lists.infradead.org; Mon, 22 Nov 2021 23:07:14 +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 B0B2DED1; Mon, 22 Nov 2021 15:07:12 -0800 (PST) Received: from e120937-lin.home (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 08B433F5A1; Mon, 22 Nov 2021 15:07:10 -0800 (PST) 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, vincent.guittot@linaro.org, souvik.chakravarty@arm.com, cristian.marussi@arm.com Subject: [PATCH v6 05/16] firmware: arm_scmi: Use new trace event scmi_xfer_response_wait Date: Mon, 22 Nov 2021 23:06:29 +0000 Message-Id: <20211122230640.1345-6-cristian.marussi@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211122230640.1345-1-cristian.marussi@arm.com> References: <20211122230640.1345-1-cristian.marussi@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211122_150713_140187_6EBF07FE X-CRM114-Status: UNSURE ( 8.36 ) 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 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Use new trace event to mark start of waiting for response section. Signed-off-by: Cristian Marussi --- v5 --> v6 - removed atomic flag / poll is enough - added timeout field v4 --> v5 - consider atomic_enable flag too --- drivers/firmware/arm_scmi/driver.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index 9a8d6bfd4ebb..476b91845e40 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -757,6 +757,11 @@ static int scmi_wait_for_message_response(struct scmi_chan_info *cinfo, struct device *dev = info->dev; int ret = 0, timeout_ms = info->desc->max_rx_timeout_ms; + trace_scmi_xfer_response_wait(xfer->transfer_id, xfer->hdr.id, + xfer->hdr.protocol_id, xfer->hdr.seq, + timeout_ms, + xfer->hdr.poll_completion); + if (xfer->hdr.poll_completion) { ktime_t stop = ktime_add_ms(ktime_get(), timeout_ms);