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Thu, 20 Feb 2020 02:57:54 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 9ED23C447A0; Thu, 20 Feb 2020 02:57:54 +0000 (UTC) Received: from sidgup-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: sidgup) by smtp.codeaurora.org (Postfix) with ESMTPSA id A0C0FC433A2; Thu, 20 Feb 2020 02:57:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org A0C0FC433A2 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=sidgup@codeaurora.org From: Siddharth Gupta To: agross@kernel.org, bjorn.andersson@linaro.org, ohad@wizery.com Subject: [PATCH 2/6] remoteproc: sysmon: Add notifications for events Date: Wed, 19 Feb 2020 18:57:41 -0800 Message-Id: <1582167465-2549-3-git-send-email-sidgup@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582167465-2549-1-git-send-email-sidgup@codeaurora.org> References: <1582167465-2549-1-git-send-email-sidgup@codeaurora.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200219_185805_512339_D90B9C81 X-CRM114-Status: GOOD ( 13.12 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: tsoni@codeaurora.org, linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, rishabhb@codeaurora.org, Siddharth Gupta , psodagud@codeaurora.org, linux-arm-kernel@lists.infradead.org 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+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add notification for other stages of remoteproc boot and shutdown. This includes adding callback functions for the prepare and unprepare events, and fleshing out the callback function for start. Signed-off-by: Siddharth Gupta --- drivers/remoteproc/qcom_sysmon.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/drivers/remoteproc/qcom_sysmon.c b/drivers/remoteproc/qcom_sysmon.c index 1366050..851664e 100644 --- a/drivers/remoteproc/qcom_sysmon.c +++ b/drivers/remoteproc/qcom_sysmon.c @@ -439,8 +439,31 @@ static const struct qmi_ops ssctl_ops = { .del_server = ssctl_del_server, }; +static int sysmon_prepare(struct rproc_subdev *subdev) +{ + struct qcom_sysmon *sysmon = container_of(subdev, struct qcom_sysmon, + subdev); + struct sysmon_event event = { + .subsys_name = sysmon->name, + .ssr_event = SSCTL_SSR_EVENT_BEFORE_POWERUP + }; + + blocking_notifier_call_chain(&sysmon_notifiers, 0, (void *)&event); + + return 0; +} + static int sysmon_start(struct rproc_subdev *subdev) { + struct qcom_sysmon *sysmon = container_of(subdev, struct qcom_sysmon, + subdev); + struct sysmon_event event = { + .subsys_name = sysmon->name, + .ssr_event = SSCTL_SSR_EVENT_AFTER_POWERUP + }; + + blocking_notifier_call_chain(&sysmon_notifiers, 0, (void *)&event); + return 0; } @@ -464,6 +487,18 @@ static void sysmon_stop(struct rproc_subdev *subdev, bool crashed) sysmon_request_shutdown(sysmon); } +static void sysmon_unprepare(struct rproc_subdev *subdev) +{ + struct qcom_sysmon *sysmon = container_of(subdev, struct qcom_sysmon, + subdev); + struct sysmon_event event = { + .subsys_name = sysmon->name, + .ssr_event = SSCTL_SSR_EVENT_AFTER_SHUTDOWN + }; + + blocking_notifier_call_chain(&sysmon_notifiers, 0, (void *)&event); +} + /** * sysmon_notify() - notify sysmon target of another's SSR * @nb: notifier_block associated with sysmon instance @@ -563,8 +598,10 @@ struct qcom_sysmon *qcom_add_sysmon_subdev(struct rproc *rproc, qmi_add_lookup(&sysmon->qmi, 43, 0, 0); + sysmon->subdev.prepare = sysmon_prepare; sysmon->subdev.start = sysmon_start; sysmon->subdev.stop = sysmon_stop; + sysmon->subdev.unprepare = sysmon_unprepare; rproc_add_subdev(rproc, &sysmon->subdev); -- Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel