From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Subject: Re: [PATCH] i2c/busses: Driver for Devantech USB-ISS I2C adapter Date: Wed, 23 Mar 2011 08:31:15 -0700 Message-ID: <20110323153115.GB7106@kroah.com> References: <1300851827-13627-1-git-send-email-guenter.roeck@ericsson.com> <20110323034524.GA11675@kroah.com> <20110323042507.GA9173@ericsson.com> <20110323045058.GA13606@kroah.com> <20110323054153.GA10275@regiomontanus> <20110323060746.GA9673@ericsson.com> <20110323150014.GB6284@kroah.com> <20110323151021.53e187bb@lxorguk.ukuu.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <20110323151021.53e187bb-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Alan Cox Cc: Guenter Roeck , Bernhard Walle , Jean Delvare , Ben Dooks , Randy Dunlap , "linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-i2c@vger.kernel.org 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 li= ke it > > does, I don't think you need a kernel driver at all for it. Just u= se > > userspace commands to the serial port, like you do on Windows, and = all > > should be fine, right? >=20 > You want a kernel driver because you've got kernel I=B2C drivers want= ing to > talk to the devices down the link in question. Just needs to be an ld= isc > 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 hav= e an I2C driver subsystem. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html