From: Akihiko Odaki Date: Mon, 4 Apr 2022 04:11:01 +0000 (+0900) Subject: platform/chrome: cros_ec_typec: Check for EC driver X-Git-Tag: v5.19-rc1~135^2~10 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7464ff8bf2d762251b9537863db0e1caf9b0e402;p=thirdparty%2Flinux.git platform/chrome: cros_ec_typec: Check for EC driver 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 Reviewed-by: Guenter Roeck Link: https://lore.kernel.org/r/20220404041101.6276-1-akihiko.odaki@gmail.com Signed-off-by: Prashant Malani --- diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c index 4bd2752c08238..7cb2e35c4dede 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);