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route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508300098 Hi, >Which i2c bridge are you talking about? You mean the one created by >i2c_add_adapter() in drm_dp_aux_register()? I guess I'm confused about >why the DSI probe routine would even be looking for that adapter. The i2c bridge I was seeing was created by the drm_bridge_add() function in the ti_sn_bridge_probe() function. Without moving the ti_sn_attach_host() function out of the ti_sn_bridge_probe() function I kept getting stuck in a loop during boot where the bridge would never come up. It's possible this could be a unique interaction with the hardware I'm using and the nwl-dsi driver. >In any case, I don't _think_ your patch is valid. Specifically, if you >notice ti_sn_attach_host() can return "-EPROBE_DEFER". That's a valid >error code to return from a probe routine but I don't think it's a >valid error code to return from a bridge attach function, is it? What error code would you suggest?