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Subject[PATCH] platform/chrome: cros_ec: Send host event for prepare/complete
From
Update cros_ec_lpc_pm_ops to call cros_ec_lpc_suspend() during PM
.prepare() and cros_ec_lpc_resume() during .complete. This allows the
EC to log entry/exit of AP's suspend/resume more accurately.

Signed-off-by: Tim Van Patten <timvp@google.com>
---

drivers/platform/chrome/cros_ec_lpc.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/platform/chrome/cros_ec_lpc.c b/drivers/platform/chrome/cros_ec_lpc.c
index 7677ab3c0ead9..783a0e56bf5f3 100644
--- a/drivers/platform/chrome/cros_ec_lpc.c
+++ b/drivers/platform/chrome/cros_ec_lpc.c
@@ -534,19 +534,24 @@ static int cros_ec_lpc_suspend(struct device *dev)
{
struct cros_ec_device *ec_dev = dev_get_drvdata(dev);

+ dev_info(dev, "Prepare EC suspend\n");
+
return cros_ec_suspend(ec_dev);
}

-static int cros_ec_lpc_resume(struct device *dev)
+static void cros_ec_lpc_resume(struct device *dev)
{
struct cros_ec_device *ec_dev = dev_get_drvdata(dev);

- return cros_ec_resume(ec_dev);
+ cros_ec_resume(ec_dev);
+
+ dev_info(dev, "EC resume completed\n");
}
#endif

static const struct dev_pm_ops cros_ec_lpc_pm_ops = {
- SET_LATE_SYSTEM_SLEEP_PM_OPS(cros_ec_lpc_suspend, cros_ec_lpc_resume)
+ .prepare = cros_ec_lpc_suspend,
+ .complete = cros_ec_lpc_resume
};

static struct platform_driver cros_ec_lpc_driver = {
--
2.37.0.rc0.161.g10f37bed90-goog
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