[PATCH] soc: qcom: pmic_glink: disable UCSI on sc8280xp

From: Johan Hovold
Date: Fri Dec 08 2023 - 07:57:00 EST


Enabling UCSI on sc8280xp and the Lenovo ThinkPad X13s in particular
results in a number of errors and timeouts during boot:

[ 9.012421] ucsi_glink.pmic_glink_ucsi pmic_glink.ucsi.0: GET_CONNECTOR_STATUS failed (-95)
[ 14.047379] ucsi_glink.pmic_glink_ucsi pmic_glink.ucsi.0: timeout waiting for UCSI sync write response
[ 14.050708] ucsi_glink.pmic_glink_ucsi pmic_glink.ucsi.0: GET_CONNECTOR_STATUS failed (-110)
[ 20.192382] ucsi_glink.pmic_glink_ucsi pmic_glink.ucsi.0: timeout waiting for UCSI sync write response
[ 20.192542] ucsi_glink.pmic_glink_ucsi pmic_glink.ucsi.0: GET_CONNECTOR_STATUS failed (-110)

Disable UCSI on sc8280xp until this has been resolved.

Fixes: 4db09e7b967b ("soc: qcom: pmic_glink: enable UCSI by default)
Link: https://lore.kernel.org/r/ZXL5jvDHr-MuxMoz@xxxxxxxxxxxxxxxxxxxx
Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
---
drivers/soc/qcom/pmic_glink.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/soc/qcom/pmic_glink.c b/drivers/soc/qcom/pmic_glink.c
index 71d8901a9389..511aa40842a1 100644
--- a/drivers/soc/qcom/pmic_glink.c
+++ b/drivers/soc/qcom/pmic_glink.c
@@ -342,6 +342,7 @@ static const unsigned long pmic_glink_sm8450_client_mask = BIT(PMIC_GLINK_CLIENT

static const struct of_device_id pmic_glink_of_match[] = {
{ .compatible = "qcom,sc8180x-pmic-glink", .data = &pmic_glink_sc8180x_client_mask },
+ { .compatible = "qcom,sc8280xp-pmic-glink", .data = &pmic_glink_sc8180x_client_mask },
{ .compatible = "qcom,pmic-glink", .data = &pmic_glink_sm8450_client_mask },
{}
};
--
2.41.0