On Tue, Jun 30, 2020 at 11:32 AM Andrzej Hajda a.hajda@samsung.com wrote:
On 29.06.2020 18:36, Andy Shevchenko wrote:
On Mon, Jun 29, 2020 at 2:22 PM Andrzej Hajda a.hajda@samsung.com 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] :)
Ah, indeed :-) Okay, as I said I'm fine with the code. Since it's debugfs, we are fine.