diff options
| author | Akihiko Odaki <akihiko.odaki@gmail.com> | 2022-04-04 13:11:01 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-01 18:24:01 +0100 |
| commit | 84adb88c802750a09aa7cd11587efc6a78814825 (patch) | |
| tree | 3bf2ca9c291ce0118f4058cd2fce1736bfacc621 | |
| parent | 542532afe249588ae88d8409d4bf861c315f8862 (diff) | |
platform/chrome: cros_ec_typec: Check for EC driver
commit 7464ff8bf2d762251b9537863db0e1caf9b0e402 upstream.
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>
Signed-off-by: Laura Nao <laura.nao@collabora.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/platform/chrome/cros_ec_typec.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c index 2b8bef0d7ee5..c065963b9a42 100644 --- a/drivers/platform/chrome/cros_ec_typec.c +++ b/drivers/platform/chrome/cros_ec_typec.c @@ -1123,6 +1123,9 @@ 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); |