soc: qcom: pmic_glink: Avoid losing early rpmsg probe

The PMIC GLINK rpmsg device can appear before the platform device has
finished probing. In that case pmic_glink_rpmsg_probe() sees
__pmic_glink as NULL and returns -ENODEV, which is treated as a fatal
probe failure for the rpmsg endpoint.

If this race is hit, pg->ept is never installed and PMIC GLINK clients
never receive the service-up notification. This may leave the system
with no Type-C functionality and without battery/power supply
management.

Return -EPROBE_DEFER when the rpmsg endpoint arrives before the platform
device is ready.

Fixes: 58ef4ece1e41 ("soc: qcom: pmic_glink: Introduce base PMIC GLINK driver")
Assisted-by: Codex:GPT-5.5
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://patch.msgid.link/20260720-topic-pmic_glink_defer-v1-1-94c0f233f2f7@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@oss.qualcomm.com>

0 files changed, 0 insertions, 0 deletions