On Wed, Mar 23, 2011 at 09:31:57PM -0700, Guenter Roeck wrote: > On Wed, Mar 23, 2011 at 11:31:15AM -0400, Greg KH wrote: > > 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. > > > Converting the driver to a line discipline as Alan suggested would mean to add > a new line discipline to linux/tty.h. > > Doing this would be purely for the benefit of the community, since the driver > works just fine for my purpose. > > So before I spend any more time on it, I'll need to know ... is there any > interest in an i2c bus driver for this device, and would a new line discipline > be accepted into the kernel ? If people need/want it, a new line discipline will be accepted, no problems with that. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
