[PATCH] platform/chrome: cros_ec_typec: Check for EC driver

[Akihiko Odaki]

The EC driver may not be initialized when cros_typec_probe is called,
particulary when CONFIG_CROS_EC_CHARDEV=m.

Signed-off-by: Akihiko Odaki <akihiko.odaki@xxxxxxxxx>
---
 drivers/platform/chrome/cros_ec_typec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
index 4bd2752c0823..7cb2e35c4ded 100644
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c
@@ -1084,6 +1084,9 @@ static int cros_typec_probe(struct platform_device *pdev)
 	}
 
 	ec_dev = dev_get_drvdata(&typec->ec->ec->dev);
+	if (!ec_dev)
+		return -EPROBE_DEFER;
+
 	typec->typec_cmd_supported = cros_ec_check_features(ec_dev, EC_FEATURE_TYPEC_CMD);
 	typec->needs_mux_ack = cros_ec_check_features(ec_dev, EC_FEATURE_TYPEC_MUX_REQUIRE_AP_ACK);
 
-- 
2.35.1