On Tue, 23 Apr 2019 17:07:14 -0300, Guilherme Costa said: > From the code, we can see that the message was printed because > clocksources == 0. This implies that there were no matching nodes on > the device tree, Right. > and that acpi_probe_device_table returned 0 (which is correct, seeing > that the kernel has no ACPI support). > This leaves me with two questions: > 1 - Is this message a problem indicator? I'm assuming it is, because > it's printed with a pr_crit... Depends. Most systems really want a clocksource of some sort. > 2 - Why is for_each_matching_node_and_match not getting any matches? I > did not find where __clksrc_of_table is initialized, so maybe it's > because it is empty? My first guess is that your hardware has a busted device tree that doesn't have an entry pointing at any actual valid hardware clock device. Could be an incorrect address, or the DT says it's a Frobozz1 clock but the actual hardware has a Frobozz2 that won't probe using the Frobozz1 driver, or something else.... _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies