On Wed, Sep 04, 2024 at 05:00:13PM +0800, Chen-Yu Tsai wrote: > diff --git a/drivers/platform/chrome/chromeos_of_hw_prober.c b/drivers/platform/chrome/chromeos_of_hw_prober.c [...] > +static int chromeos_of_hw_prober_probe(struct platform_device *pdev) > +{ > + for (size_t i = 0; i < ARRAY_SIZE(hw_prober_platforms); i++) { > + int ret; > + > + if (!of_machine_is_compatible(hw_prober_platforms[i].compatible)) > + continue; > + > + ret = hw_prober_platforms[i].prober(&pdev->dev, hw_prober_platforms[i].data); > + /* Ignore unrecoverable errors and keep going through other probers */ > + if (ret == -EPROBE_DEFER) > + return ret; Is it harmless if some of the components get probed multiple times? E.g.: comp1 probed -> comp2 probed -> comp3 returned -EPROBE_DEFER -> some time later, chromeos_of_hw_prober_probe() gets called again.