[PATCH] usb: usb251xb: remove duplicate status line on probe success

Marco Felsch m.felsch at pengutronix.de
Mon May 23 03:11:06 PDT 2022


On 22-05-23, Ahmad Fatoum wrote:
> On 23.05.22 10:22, Marco Felsch wrote:
> > On 22-05-23, Ahmad Fatoum wrote:
> >> Hello Marco,
> >>
> >> On 23.05.22 10:00, Marco Felsch wrote:
> >>> Hi Ahmad,
> >>>
> >>> On 22-05-23, Ahmad Fatoum wrote:
> >>>> A successful probe results in two lines logged:
> >>>>
> >>>>   usb251xb usb2514b0: Hub configuration was successful.
> >>>
> >>> The configuration (and this line) can be skipped if you specify
> >>> "skip-config".
> >>>
> >>>>   usb251xb usb2514b0: Hub probed successfully
> >>>>
> >>>> There is no case where the first line is printed, but not the other and
> >>>> they say about the same thing anyway, so drop the latter.
> >>>
> >>> The config step can fail. What about lower down the log level for the
> >>> config step to dev_dbg() instead?
> >>
> >> If the config step fails we will get an error message from driver core.
> >> A driver with skip-config doesn't do anything useful that warrants
> >> a probed successfully message, so I think it's safe to drop it.
> > 
> > Hm.. with skip-config the driver still brings the hub out of reset and
> > into a working state. Anyway just wanted to pointed out, that there are
> > use-cases where the message is not printed twice.
> 
> Would you prefer I consolidate the logs messages into a single line instead?

Still think that the easiest would be to lower the hub configuration
print to dbg.  So one can enbale the debug on demand if needed. But a
single line info() seems fine for me as well.

Regards,
  Marco



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