Re: [RESEND PATCH v2 1/2] usb: serial: handle -EPROTO quietly in generic_read_bulk

[Johan Hovold]

On Sat, Jan 10, 2015 at 04:44:32PM -0800, Jeremiah Mahler wrote:
> If a USB serial device is unplugged while there is an active program
> using the device it will spam the logs with -EPROTO (71) messages as it
> attempts to retry.

Can you change this to "might spam", as which error message, and if it is
at all printed, depends on host controller and what (hub) devices are
used.

> Most serial usb drivers (metro-usb, pl2303, mos7840, ...) only output
> these messages for debugging.  The generic driver treats these as
> errors.
> 
> Change the default output for the generic serial driver from error to
> debug.

Please also correct the commit summary (Subject) so that it matches what
this revised patch now does (you silence all non-critical error
messages).

Fix this up and I'll take both patches.

Thanks,
Johan
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/