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Thu, 20 Feb 2020 02:57:55 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 30074C447A2; Thu, 20 Feb 2020 02:57:55 +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 4A719C4479F; Thu, 20 Feb 2020 02:57:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 4A719C4479F 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 3/6] remoteproc: sysmon: Inform current rproc about all active rprocs Date: Wed, 19 Feb 2020 18:57:42 -0800 Message-Id: <1582167465-2549-4-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_358402_676E39E9 X-CRM114-Status: GOOD ( 13.79 ) 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 A remoteproc that has just recovered from a crash will not be aware of the state of other remoteprocs. Send sysmon notifications on behalf of all the active/online remoteprocs to the one that just booted up. Signed-off-by: Siddharth Gupta --- drivers/remoteproc/qcom_sysmon.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/remoteproc/qcom_sysmon.c b/drivers/remoteproc/qcom_sysmon.c index 851664e..d0d59d5 100644 --- a/drivers/remoteproc/qcom_sysmon.c +++ b/drivers/remoteproc/qcom_sysmon.c @@ -457,6 +457,7 @@ static int sysmon_start(struct rproc_subdev *subdev) { struct qcom_sysmon *sysmon = container_of(subdev, struct qcom_sysmon, subdev); + struct qcom_sysmon *target; struct sysmon_event event = { .subsys_name = sysmon->name, .ssr_event = SSCTL_SSR_EVENT_AFTER_POWERUP @@ -464,6 +465,17 @@ static int sysmon_start(struct rproc_subdev *subdev) blocking_notifier_call_chain(&sysmon_notifiers, 0, (void *)&event); + mutex_lock(&sysmon_lock); + list_for_each_entry(target, &sysmon_list, node) { + if (target == sysmon || + target->rproc->state != RPROC_RUNNING) + continue; + + event.subsys_name = target->name; + ssctl_send_event(sysmon, &event); + } + mutex_unlock(&sysmon_lock); + return 0; } -- 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