On Wed, Jun 20, 2018 at 1:51 AM, Greg Kroah-Hartman <[email protected]> wrote: > On Tue, Jun 19, 2018 at 10:59:14PM +0200, Javier Martinez Canillas wrote: >> For debugging purposes it may be useful to know what are the devices whose >> probe function was deferred. Add a debugfs entry showing that information. >> >> $ cat /sys/kernel/debug/deferred_devices >> 48070000.i2c:twl@48:bci >> musb-hdrc.0.auto >> omapdrm.0
> And what is the use of this file? What can you do with this > information? Who is going to use it? Don't we have other deferred > probe debugging somewhere else? Indeed. Javier, have you tried to add 'initcall_debug' to a kernel command line followed by 'dyndbg="file drivers/base/dd.c +p"'? -- With Best Regards, Andy Shevchenko
