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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Sb202bnMpR2L+FueL+OZRlSFJ9ClUCwQhcovgXlWEIE=; b=ONoSaSTUkSGmnCUAVYVrkfzdBPS11D4AGefarqFJIMtVIJUpLr4wND3B++oGYMz+ME CqSgk56IwWNAeszZFSyNp+U5pes8ovv7wyWKxAFAy+gv1TwcSx8bFeUYztO8UIEHzsdb npv8XOmgRAQECHTyXblQnT57xpBsCrbbVVA1PFecZhMCwL2vvRdrQ/fbXyQQAeRFcPdt e7Ml5SQXpgA4KA89Gl05EMcegyyJZ571MYHq5hCUQGWycAidhf6G8Nk4rMkzWLLjk57S 7KQKvletc5CMVdZVF8k9QjZsvcP24xBwedVLQSyzUM1E+QiCTfwHFQHttbRt0zfMH62M P2Yw== X-Gm-Message-State: AOAM530SdwPgOrDHktUJuBqdUFLOR/HZtxBj5GrfBS1ejfXwoUOlbG9h pVjdMeCa4v41q7IW+VkkcemoTzxs/tvpujfRD84= X-Google-Smtp-Source: ABdhPJx70BD/CO0Vg0/CK048ltr5UHKj/YXBwSS65IPYtXx9dkPIK4ydIyOWjTTlEOG5K0KawrCFDvV9iFR6l8mAYf8= X-Received: by 2002:a92:4810:: with SMTP id v16mr3470348ila.75.1594887271665; Thu, 16 Jul 2020 01:14:31 -0700 (PDT) MIME-Version: 1.0 References: <20200715160209.652-1-linux.amoon@gmail.com> <455f5dcc-3be3-45cd-4947-50f261a502a4@baylibre.com> In-Reply-To: <455f5dcc-3be3-45cd-4947-50f261a502a4@baylibre.com> From: Anand Moon Date: Thu, 16 Jul 2020 13:44:21 +0530 Message-ID: Subject: Re: [PATCHv1 0/3] Enable RTC on Odroid N2 To: Neil Armstrong X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200716_041433_541912_0DDB5C1C X-CRM114-Status: GOOD ( 10.15 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree , Martin Blumenstingl , Kevin Hilman , Rob Herring , linux-amlogic@lists.infradead.org, linux-arm-kernel , Jerome Brunet Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Hi Neil, Thanks for your review comments. On Thu, 16 Jul 2020 at 12:35, Neil Armstrong wrote: > > Hi Anand, > > Only the vrtc is able to wakeup the device from suspend, > the external RTC is not capable. > > Neil Now I have two RTC driver registered $ dmesg | grep rtc [ 4.737315] rtc-pcf8563 0-0051: registered as rtc0 [ 4.738763] rtc-pcf8563 0-0051: setting system clock to 2020-07-16T08:00:46 UTC (1594886446) [ 4.790206] meson-vrtc ff8000a8.rtc: registered as rtc1 And there are two nodes # ls /dev/rtc* /dev/rtc /dev/rtc0 /dev/rtc1 So it seames an issue that /dev/rtc0 is not able to handle wakeup events. How can we resolve this issue? # time rtcwake -s 30 -m mem rtcwake: /dev/rtc0 not enabled for wakeup events real 0m0.002s user 0m0.001s sys 0m0.002s -Anand _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic