I2C on 2.6

Jon Smirl jonsmirl at yahoo.com
Thu Feb 12 23:18:25 CET 2004


Alright, I'll leave this alone. I just got stuck on trying to figure out which
entry in /sys/class goes with the corresponding entry in /sys/bus.

--- Greg KH <greg at kroah.com> wrote:
> On Thu, Feb 12, 2004 at 01:12:28PM -0800, Jon Smirl wrote:
> > Would it be hard to add links like this:  /sys/class/usb_host to 
> > /sys/bus/usb/host, /sys/class/i2c_adapter to /sys/bus/i2c/adapter (or host).
> > Then move the 'host' entries out of /sys/class in 2.7? The links will make
> the
> > move transparent to user space software.
> 
> I don't think you realize what you are trying to change.
> 
> Everything under /sys/class uses a struct class and a struct
> class_device.
> 
> Everything under /sys/devices and /sys/bus are of type struct device.
> 
> This would be a big core change to try to do this.
> 
> As for your comment of "thousands of different busses", I don't quite
> understand.  We have unique directories in /sys/class for the different
> _types_ of bus hosts and classes.  If I have a box with 40,000 scsi
> devices, I still only have 1 /sys/class/scsi_host directory.
> 
> If you think this is important, hey, I'm always willing to look over
> patches :)
> 
> thanks,
> 
> greg k-h


=====
Jon Smirl
jonsmirl at yahoo.com

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