When using OF_LIVE, the debug UART driver won't be probed if it's a subnode of the geni-se-qup controller. Add a NOP driver for the controller to correctly discover its child nodes.
Reviewed-by: Neil Armstrong neil.armstrong@linaro.org Reviewed-by: Sumit Garg sumit.garg@linaro.org Signed-off-by: Caleb Connolly caleb.connolly@linaro.org --- drivers/serial/serial_msm_geni.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/drivers/serial/serial_msm_geni.c b/drivers/serial/serial_msm_geni.c index 4aa0bc8c72bc..5260474fb9a4 100644 --- a/drivers/serial/serial_msm_geni.c +++ b/drivers/serial/serial_msm_geni.c @@ -605,8 +605,21 @@ U_BOOT_DRIVER(serial_msm_geni) = { .ops = &msm_serial_ops, .flags = DM_FLAG_PRE_RELOC | DM_FLAG_DEFAULT_PD_CTRL_OFF, };
+static const struct udevice_id geniqup_ids[] = { + { .compatible = "qcom,geni-se-qup" }, + { } +}; + +U_BOOT_DRIVER(geni_se_qup) = { + .name = "geni-se-qup", + .id = UCLASS_NOP, + .of_match = geniqup_ids, + .bind = dm_scan_fdt_dev, + .flags = DM_FLAG_PRE_RELOC | DM_FLAG_DEFAULT_PD_CTRL_OFF, +}; + #ifdef CONFIG_DEBUG_UART_MSM_GENI
static struct msm_serial_data init_serial_data = { .base = CONFIG_VAL(DEBUG_UART_BASE)