From patchwork Thu Feb 20 02:57:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Siddharth Gupta X-Patchwork-Id: 11393101 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A7A57139A for ; Thu, 20 Feb 2020 02:58:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 883A724672 for ; Thu, 20 Feb 2020 02:58:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="eNr+lxZO" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727211AbgBTC6F (ORCPT ); Wed, 19 Feb 2020 21:58:05 -0500 Received: from mail27.static.mailgun.info ([104.130.122.27]:15335 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727506AbgBTC6F (ORCPT ); Wed, 19 Feb 2020 21:58:05 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1582167484; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=sd4ovfJpZhdxAUPqCMdrQUjnd3KMRkpIg+xta7RYHBA=; b=eNr+lxZOV5vI7kw9xC/FBYFUCRNWXWv5lAEn7dqkmsxWQRXWG8rxNgadErsXydghy57ZhlDA 6vOsKNIUM0v4yMwoFYeJ8YwZiogz7GvcFuvM/P1pCLsZXI8hCUXfiZMDoxy8cY97Nl+2ct1k R4zPtUTWLEAN+9P/nc38ZjMDvgA= X-Mailgun-Sending-Ip: 104.130.122.27 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e4df5b2.7fd9595194c8-smtp-out-n02; Thu, 20 Feb 2020 02:57:54 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 97DD3C43383; Thu, 20 Feb 2020 02:57:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 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 Cc: Siddharth Gupta , linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, tsoni@codeaurora.org, psodagud@codeaurora.org, rishabhb@codeaurora.org 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> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.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);