On Tue, Jun 30, 2020 at 11:32 AM Andrzej Hajda <a.hajda@xxxxxxxxxxx> wrote: > On 29.06.2020 18:36, Andy Shevchenko wrote: > > On Mon, Jun 29, 2020 at 2:22 PM Andrzej Hajda <a.hajda@xxxxxxxxxxx> wrote: > >> /sys/kernel/debug/devices_deferred property contains list of deferred devices. > >> This list does not contain reason why the driver deferred probe, the patch > >> improves it. > >> The natural place to set the reason is dev_err_probe function introduced recently, > >> ie. if dev_err_probe will be called with -EPROBE_DEFER instead of printk the message > >> will be attached to deferred device and printed when user read devices_deferred > > to a deferred > > > > reads > OK, thx. > > > >> property. ... > >> list_for_each_entry(curr, &deferred_probe_pending_list, deferred_probe) > >> - seq_printf(s, "%s\n", dev_name(curr->device)); > >> + seq_printf(s, "%s\t%s", dev_name(curr->device), > >> + curr->device->p->deferred_probe_reason ?: "\n"); > > Hmm... "\t" will be dangling in the latter case > > > Hmm, I followed your advice [1] :) > > [1]: > https://www.mail-archive.com/linux-kernel@xxxxxxxxxxxxxxx/msg1787370.html Ah, indeed :-) Okay, as I said I'm fine with the code. Since it's debugfs, we are fine. -- With Best Regards, Andy Shevchenko _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
