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From: Yilun Lin <yllin@chromium.org>
To: LKML <linux-kernel@vger.kernel.org>
Cc: pihsun@chromium.org, Yilun Lin <yllin@chromium.org>,
	Enric Balletbo i Serra <enric.balletbo@collabora.com>,
	Guenter Roeck <groeck@chromium.org>,
	Benson Leung <bleung@chromium.org>
Subject: [PATCH] platform/chrome: cros_ec_rpmsg: Add host command AP sleep state support
Date: Wed, 14 Aug 2019 16:17:57 +0800	[thread overview]
Message-ID: <20190814081757.65056-1-yllin@chromium.org> (raw)

Add EC host command to inform EC of AP suspend/resume status.

Signed-off-by: Yilun Lin <yllin@chromium.org>
---

 drivers/platform/chrome/cros_ec_rpmsg.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/platform/chrome/cros_ec_rpmsg.c b/drivers/platform/chrome/cros_ec_rpmsg.c
index 5d3fb2abad1d..6f34fe629e2c 100644
--- a/drivers/platform/chrome/cros_ec_rpmsg.c
+++ b/drivers/platform/chrome/cros_ec_rpmsg.c
@@ -236,6 +236,25 @@ static void cros_ec_rpmsg_remove(struct rpmsg_device *rpdev)
 	cancel_work_sync(&ec_rpmsg->host_event_work);
 }
 
+#ifdef CONFIG_PM_SLEEP
+static int cros_ec_rpmsg_suspend(struct device *dev)
+{
+	struct cros_ec_device *ec_dev = dev_get_drvdata(dev);
+
+	return cros_ec_suspend(ec_dev);
+}
+
+static int cros_ec_rpmsg_resume(struct device *dev)
+{
+	struct cros_ec_device *ec_dev = dev_get_drvdata(dev);
+
+	return cros_ec_resume(ec_dev);
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(cros_ec_rpmsg_pm_ops, cros_ec_rpmsg_suspend,
+			 cros_ec_rpmsg_resume);
+
 static const struct of_device_id cros_ec_rpmsg_of_match[] = {
 	{ .compatible = "google,cros-ec-rpmsg", },
 	{ }
@@ -246,6 +265,7 @@ static struct rpmsg_driver cros_ec_driver_rpmsg = {
 	.drv = {
 		.name   = "cros-ec-rpmsg",
 		.of_match_table = cros_ec_rpmsg_of_match,
+		.pm	= &cros_ec_rpmsg_pm_ops,
 	},
 	.probe		= cros_ec_rpmsg_probe,
 	.remove		= cros_ec_rpmsg_remove,
-- 
2.23.0.rc1.153.gdeed80330f-goog


             reply	other threads:[~2019-08-14  8:18 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-14  8:17 Yilun Lin [this message]
2019-08-22 19:36 ` [PATCH] platform/chrome: cros_ec_rpmsg: Add host command AP sleep state support Enric Balletbo i Serra
2019-08-27  4:01   ` Pi-Hsun Shih
2019-08-28  7:54 ` Enric Balletbo i Serra

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