Re: pl2303 usb serial - bad tty numbers starting at 2.6.20-git3

On Sat, 3 Mar 2007 08:24:00 +0100, Oliver Neukum wrote:
>Am Freitag, 2. März 2007 22:12 schrieb Adam J. Richter:
>> 	When I plug in a pl2303-based usb serial device, the device is
>> supposed to appear as /dev/tts/USB0 (character device 188, 0).
>> However, under kernels that I have tried from 2.6.20-git3 through
>> 2.6.21-rc2-git1, /dev/tts/USB<some-random-number> is created, [...]

>Please try this patch. It is needed in any case and it may be your problem's
>cause.

>	Regards
>		Oliver

>--- linux-2.6.21-rc1/drivers/usb/serial/usb-serial.c.alt	2007-02-21 05:32:30.000000000 +0100
>+++ linux-2.6.21-rc1/drivers/usb/serial/usb-serial.c	2007-02-26 15:32:50.000000000 +0100
>@@ -826,7 +826,6 @@
> 			num_ports = type->num_ports;
> 	}
> 
>-	serial->minor = minor;
> 	serial->num_ports = num_ports;
> 	serial->num_bulk_in = num_bulk_in;
> 	serial->num_bulk_out = num_bulk_out;
>@@ -980,6 +979,7 @@
> 		dev_err(&interface->dev, "No more free serial devices\n");
> 		goto probe_error;
> 	}
>+	serial->minor = minor;
> 
> 	/* register all of the individual ports with the driver core */
> 	for (i = 0; i < num_ports; ++i) {


	I tried your patch on 2.6.21-rc2-git1, and it fixed my
problem.  Thank you!

Adam Richter

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