Re: [Libusb-devel] usbfs under 2.6.32 and beyond

[Reinoud K. <soc...@ho...>]

Thanks a lot for your info.This is good to know.I guess i have problems in my kernel config.I mean look:
/proc/bus/usb# ls
it's empty.I do see that usb 2 support is loaded:
Dec 31 19:00:17 info    kernel       ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) DriverDec 31 19:00:17 debug   kernel       ehci_hcd: block sizes: qh 60 qtd 96 itd 160 sitd 96Dec 31 19:00:17 info    kernel       ehci_hcd 0000:00:1d.7: PCI INT A -> GSI 23 (level, low) -> IRQ 23Dec 31 19:00:17 debug   kernel       ehci_hcd 0000:00:1d.7: setting latency timer to 64Dec 31 19:00:17 info    kernel       ehci_hcd 0000:00:1d.7: EHCI Host ControllerDec 31 19:00:17 debug   kernel       drivers/usb/core/inode.c: creating file 'devices'Dec 31 19:00:17 debug   kernel       drivers/usb/core/inode.c: creating file '001'Dec 31 19:00:17 info    kernel       ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 1Dec 31 19:00:17 debug   kernel       ehci_hcd 0000:00:1d.7: reset hcs_params 0x104208 dbg=1 cc=4 pcc=2 ordered !ppc ports=8Dec 31 19:00:17 debug   kernel       ehci_hcd 0000:00:1d.7: reset hcc_params 6871 thresh 7 uframes 1024 64 bit addrDec 31 19:00:17 info    kernel       ehci_hcd 0000:00:1d.7: using broken periodic workaroundDec 31 19:00:17 info    kernel       ehci_hcd 0000:00:1d.7: debug port 1Dec 31 19:00:17 debug   kernel       ehci_hcd 0000:00:1d.7: reset command 080022 (park)=0 ithresh=8 Async period=1024 Reset HALTDec 31 19:00:17 debug   kernel       ehci_hcd 0000:00:1d.7: cache line size of 64 is not supportedDec 31 19:00:17 debug   kernel       ehci_hcd 0000:00:1d.7: supports USB remote wakeupDec 31 19:00:17 info    kernel       ehci_hcd 0000:00:1d.7: irq 23, io mem 0xefa00000Dec 31 19:00:17 debug   kernel       ehci_hcd 0000:00:1d.7: reset command 080002 (park)=0 ithresh=8 period=1024 Reset HALTDec 31 19:00:17 debug   kernel       ehci_hcd 0000:00:1d.7: init command 010001 (park)=0 ithresh=1 period=1024 RUNDec 31 19:00:17 info    kernel       ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00Dec 31 19:00:17 debug   kernel       usb usb1: default language 0x0409Dec 31 19:00:17 debug   kernel       usb usb1: udev 1, busnum 1, minor = 0Dec 31 19:00:17 info    kernel       usb usb1: New USB device found, idVendor=1d6b, idProduct=0002etc etc etc.
Hence, i am wondering what i must be missing here, because the /proc/bus/usb dir is empyThanks,
Reinoud.



> Date: Thu, 24 Nov 2011 10:14:04 +0800
> Subject: Re: [Libusb-devel] usbfs under 2.6.32 and beyond
> From: xia...@gm...
> To: soc...@ho...
> CC: lib...@li...
> 
> On Thu, Nov 24, 2011 at 9:40 AM, Xiaofan Chen <xia...@gm...> wrote:
> > On Thu, Nov 24, 2011 at 6:39 AM, Reinoud Koornstra <soc...@ho...> wrote:
> >> Hi Everyone,
> >> Forgive my trivial question, but i am having trouble trying to mount usb on
> >> linux 2.6.34.
> >> I saw that this is no longer supported from 2.6.32 and beyond?
> >> I need this for my libusb 0.x code. :)
> >> Is there a way around this?
> >
> > You do not need this even for libusb-0.1.12 code. It already
> > supports searching for /dev/bus/usb.
> > http://libusb.svn.sourceforge.net/viewvc/libusb/trunk/libusb/linux.c?revision=661&view=markup
> 
> Just for your info, libusb-0.1.12 works fine under Ubuntu 10.04
> and 11.10 (kernel 2.6.32 and 3.0) for me. It also worked under
> Ubuntu 10.10 and 11.04 last time I tried it.
> 
> Debain and Ubuntu are still shipping with libusb-0.1.12 and
> not libusb-compat-0.1 even though majority of other distros
> are shipping the libusb-compat-0.1.
> 
> Eg: Debian sid (unstable) still has libusb-0.1.12.
> http://packages.debian.org/unstable/libs/libusb-0.1-4
> 
> Same for Ubuntu (same maintainer, Aurelien Jarno).
> https://launchpad.net/ubuntu/+source/libusb
> 
> -- 
> Xiaofan