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[Bug 598085] Can't set baud rate to 128000 on /dev/ttyUSB0 cp210x device
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Wed, 21 Apr 2010 10:53:12 +0000
  • Message-id: <20100421105312.4FC712454D6@xxxxxxxxxxxxxxxxxxxxxx>
http://bugzilla.novell.com/show_bug.cgi?id=598085

http://bugzilla.novell.com/show_bug.cgi?id=598085#c3


--- Comment #3 from Steve Ricketts <velocedge@xxxxxxxxxxx> 2010-04-21 10:53:11
UTC ---
Here's the output from 2.6.31.12, same commands

Apr 21 06:10:27 linux-nsxk kernel: [ 112.431375] usbcore: deregistering
interface driver cp210x
Apr 21 06:10:27 linux-nsxk kernel: [ 112.431638] cp210x ttyUSB0: cp210x
converter now disconnected from ttyUSB0
Apr 21 06:10:27 linux-nsxk kernel: [ 112.431700] cp210x 4-1:1.0: device
disconnected
Apr 21 06:10:27 linux-nsxk kernel: [ 112.431960] USB Serial deregistering
driver cp210x
Apr 21 06:10:35 linux-nsxk kernel: [ 121.108184] USB Serial support registered
for cp210x
Apr 21 06:10:35 linux-nsxk kernel: [ 121.108226] cp210x 4-1:1.0: cp210x
converter detected
Apr 21 06:10:36 linux-nsxk kernel: [ 121.210139] usb 4-1: reset full speed USB
device using uhci_hcd and address 2
Apr 21 06:10:36 linux-nsxk kernel: [ 121.346540] usb 4-1: cp210x converter now
attached to ttyUSB0
Apr 21 06:10:36 linux-nsxk kernel: [ 121.346620] usbcore: registered new
interface driver cp210x
Apr 21 06:10:36 linux-nsxk kernel: [ 121.346631] cp210x: v0.09:Silicon Labs
CP210x RS232 serial adaptor driver
Apr 21 06:10:48 linux-nsxk kernel: [ 133.566720]
/usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c:
cp210x_open - port 0
Apr 21 06:10:48 linux-nsxk kernel: [ 133.569641]
/usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c:
cp210x_get_termios_port - port 0
Apr 21 06:10:48 linux-nsxk kernel: [ 133.570638]
/usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c:
cp210x_get_termios_port - baud rate = 115200
Apr 21 06:10:48 linux-nsxk kernel: [ 133.571637]
/usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c:
cp210x_get_termios_port - data bits = 8
Apr 21 06:10:48 linux-nsxk kernel: [ 133.571641]
/usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c:
cp210x_get_termios_port - parity = NONE
Apr 21 06:10:48 linux-nsxk kernel: [ 133.571645]
/usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c:
cp210x_get_termios_port - stop bits = 1
Apr 21 06:10:48 linux-nsxk kernel: [ 133.572637]
/usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c:
cp210x_get_termios_port - flow control = NONE
Apr 21 06:10:48 linux-nsxk kernel: [ 133.572643]
/usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c:
cp210x_tiocmset_port - port 0
Apr 21 06:10:48 linux-nsxk kernel: [ 133.572647]
/usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c:
cp210x_tiocmset_port - control = 0x0303
Apr 21 06:10:48 linux-nsxk kernel: [ 133.574918]
/usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c:
cp210x_close - port 0
Apr 21 06:10:48 linux-nsxk kernel: [ 133.574923]
/usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c:
cp210x_close - shutting down urbs
Apr 21 06:10:48 linux-nsxk kernel: [ 133.577638]
/usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c:
cp210x_tiocmset_port - port 0
Apr 21 06:10:48 linux-nsxk kernel: [ 133.577643]
/usr/src/packages/BUILD/kernel-desktop-2.6.31.12/linux-2.6.31/drivers/usb/serial/cp210x.c:
cp210x_tiocmset_port - control = 0x0300

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