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Opened 9 years ago

Closed 8 years ago

Last modified 6 years ago

#120 closed enhancement (fixed)

Please add kernel support for usbserial

Reported by: jasw@… Owned by: stappers
Priority: major Milestone: milestone:
Component: openwrt Version: 2.0
Severity: Keywords:
Cc:

Description (last modified by stappers)

Hello,

Please add kernel support for usbserial.

I would like to attach PL2303 usb-serial device to ASUS 500G Premium.

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Change History (9)

comment:1 Changed 9 years ago by stappers

  • Component changed from buildsystem to openwrt
  • Description modified (diff)
  • Owner changed from amain to stappers
  • Status changed from new to accepted
  • Summary changed from Pleaes add kernel support for usbserial to Please add kernel support for usbserial

comment:2 Changed 8 years ago by stappers

Reporting some progress:

Debian GNU/Linux 6.0 debwrt ttyUSB0

debwrt login: root
Password: 
Linux debwrt 2.6.37.6 #2 Mon Apr 25 23:03:02 CEST 2011 mips

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
-bash: no job control in this shell                                             
root@debwrt:~#                                                                  
root@debwrt:~# tty                                                              
/dev/ttyUSB0                                                                    
root@debwrt:~# dmesg | grep diag                                                
diag: Detected 'ASUS WL-500g Premium V2'     
root@debwrt:~# who                                                              
debwrt   pts/0        Jan  1 00:00 (hq.lan)                                     
root     ttyUSB0      Jan  1 00:04                                              
root@debwrt:~# 

comment:3 follow-up: Changed 8 years ago by amain

nice....by default serial modules are already compiled as kernel modules ( see config/openwrt.defconfig ). Please make it an option in the menuconfig and don't include these modules into the kernel by default. There are some devices with problems with kernels coming to big.

comment:4 follow-up: Changed 8 years ago by jasw@…

Very nice indeed. if kernel size is a issue, can it be implemented like kmod on openwrt. Let user decide what to load, without doing menuconfig, and make.

comment:5 in reply to: ↑ 3 Changed 8 years ago by stappers

Replying to amain:

by default serial modules are already compiled as kernel modules

That explains why I do get

usbserial: exports duplicate symbol usb_serial_resume (owned by kernel)

in dmesg

comment:6 in reply to: ↑ 4 Changed 8 years ago by amain

Replying to jasw@…:

Very nice indeed. if kernel size is a issue, can it be implemented like kmod on openwrt. Let user decide what to load, without doing menuconfig, and make.

In fact that is somewhat already the case for coming releases(>2.0). When building from SVN serial modules are compiled into the modules package which should be installed on the root fs. A simple modprobe or even connecting the serial adapter will load it automatically.

comment:7 Changed 8 years ago by amain

  • Resolution set to fixed
  • Status changed from accepted to closed

comment:8 Changed 6 years ago by anonymous

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