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platform/chrome: cros_ec_typec: Check for EC driver

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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@gmail.com>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20220404041101.6276-1-akihiko.odaki@gmail.com
Signed-off-by: Prashant Malani <pmalani@chromium.org>
This commit is contained in:
Akihiko Odaki 2022-04-04 13:11:01 +09:00 committed by Prashant Malani
parent c9bc1a0ef9
commit 7464ff8bf2
1 changed files with 3 additions and 0 deletions
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3
drivers/platform/chrome/cros_ec_typec.c
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@ -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);