Re: [PATCH] i2c/busses: Driver for Devantech USB-ISS I2C adapter

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On Wed, Mar 23, 2011 at 03:10:21PM +0000, Alan Cox wrote:
> > But, if this just duplicates the cdc-acm interface, and it looks like it
> > does, I don't think you need a kernel driver at all for it.  Just use
> > userspace commands to the serial port, like you do on Windows, and all
> > should be fine, right?
> 
> You want a kernel driver because you've got kernel I²C drivers wanting to
> talk to the devices down the link in question. Just needs to be an ldisc
> and then it call comes together nicely.

Ah, ok, that makes more sense.

Odd that windows does it all from userspace, but I guess it doesn't have
an I2C driver subsystem.

thanks,

greg k-h
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