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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A0AB1C433FE for ; Mon, 29 Nov 2021 19:16:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1380162AbhK2TTw (ORCPT ); Mon, 29 Nov 2021 14:19:52 -0500 Received: from foss.arm.com ([217.140.110.172]:45638 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345237AbhK2TRs (ORCPT ); Mon, 29 Nov 2021 14:17:48 -0500 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 6214C1435; Mon, 29 Nov 2021 11:12:39 -0800 (PST) Received: from e120937-lin.home (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id A9A963F5A1; Mon, 29 Nov 2021 11:12:37 -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, etienne.carriere@linaro.org, vincent.guittot@linaro.org, souvik.chakravarty@arm.com, cristian.marussi@arm.com Subject: [PATCH v7 05/16] firmware: arm_scmi: Use new trace event scmi_xfer_response_wait Date: Mon, 29 Nov 2021 19:11:45 +0000 Message-Id: <20211129191156.29322-6-cristian.marussi@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211129191156.29322-1-cristian.marussi@arm.com> References: <20211129191156.29322-1-cristian.marussi@arm.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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); -- 2.17.1