From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 72D065CAB for ; Sun, 9 Oct 2022 23:55:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4EE05C43148; Sun, 9 Oct 2022 23:55:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1665359705; bh=JG4zpURXQKIe8yvupxxFcpZJr66Oes7UwY5ObWUaDP4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=D3uLByhaG7elr72Rw2TDhfznqCKuwsQ03+jx2lSxv9iOm58nLYOEqVrajwd/MZGoI Oj87YvVpfw2YspoUFP+PjVcoMSlDLtiEVoU+SUoSC6XGHDD/bKmoKDkdlFyzISDT+H 3P2ac/7v6BfX7LhaviCAwIHsBW5L5TKSlayZRdSs/VuxOZuDFWazcbe9o7wuEHYsPW KXqXRvGw39jYheclZd5KZXtdWGNT6lIQLn4B3eh1Sj4Xi2W9Yr5IL0MfgNTXn4oIoT CZKV8HuJk1GQxOuuwzLs+NCHpbWcshUSoBEVgFuvpSu1McVWb07yvxdF4L0jWJ7T1F nxFnHj7qszOxg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jameson Thies , Prashant Malani , Benson Leung , Tzung-Bi Shih , Sasha Levin , chrome-platform@lists.linux.dev Subject: [PATCH AUTOSEL 5.15 15/25] platform/chrome: cros_ec: Notify the PM of wake events during resume Date: Sun, 9 Oct 2022 19:54:15 -0400 Message-Id: <20221009235426.1231313-15-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221009235426.1231313-1-sashal@kernel.org> References: <20221009235426.1231313-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Jameson Thies [ Upstream commit 8edd2752b0aa498b3a61f3caee8f79f7e0567fad ] cros_ec_handle_event in the cros_ec driver can notify the PM of wake events. When a device is suspended, cros_ec_handle_event will not check MKBP events. Instead, received MKBP events are checked during resume by cros_ec_report_events_during_suspend. But cros_ec_report_events_during_suspend cannot notify the PM if received events are wake events, causing wake events to not be reported if received while the device is suspended. Update cros_ec_report_events_during_suspend to notify the PM of wake events during resume by calling pm_wakeup_event. Signed-off-by: Jameson Thies Reviewed-by: Prashant Malani Reviewed-by: Benson Leung Signed-off-by: Tzung-Bi Shih Link: https://lore.kernel.org/r/20220913204954.2931042-1-jthies@google.com Signed-off-by: Sasha Levin --- drivers/platform/chrome/cros_ec.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/platform/chrome/cros_ec.c b/drivers/platform/chrome/cros_ec.c index 4f0390b10cd3..9664e13ded59 100644 --- a/drivers/platform/chrome/cros_ec.c +++ b/drivers/platform/chrome/cros_ec.c @@ -353,10 +353,16 @@ EXPORT_SYMBOL(cros_ec_suspend); static void cros_ec_report_events_during_suspend(struct cros_ec_device *ec_dev) { + bool wake_event; + while (ec_dev->mkbp_event_supported && - cros_ec_get_next_event(ec_dev, NULL, NULL) > 0) + cros_ec_get_next_event(ec_dev, &wake_event, NULL) > 0) { blocking_notifier_call_chain(&ec_dev->event_notifier, 1, ec_dev); + + if (wake_event && device_may_wakeup(ec_dev->dev)) + pm_wakeup_event(ec_dev->dev, 0); + } } /** -- 2.35.1