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
next 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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