On Tue, Apr 16, 2019 at 09:27:03AM +0300, Heikki Krogerus wrote: > On Tue, Apr 16, 2019 at 12:45:12AM +0000, Ajay Gupta wrote: > > Hi Heikki, > > > > > -----Original Message----- > > > From: linux-usb-owner@xxxxxxxxxxxxxxx <linux-usb-owner@xxxxxxxxxxxxxxx> On > > > Behalf Of Heikki Krogerus > > > Sent: Monday, April 15, 2019 5:10 AM > > > To: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > > Cc: Ajay Gupta <ajayg@xxxxxxxxxx>; linux-usb@xxxxxxxxxxxxxxx > > > Subject: [PATCH v2 6/7] usb: typec: displayport: Export probe and remove > > > functions > > > > > > From: Ajay Gupta <ajayg@xxxxxxxxxx> > > > > > > VirtualLink standard extends the DisplayPort Alt Mode by utilizing also the USB 2 > > > pins on the USB Type-C connector. > > > It uses the same messages as DisplayPort, but not the DP SVID. At the time of > > > writing, USB IF has not assigned a Standard ID (SID) for VirtualLink, so the > > > manufacturers of VirtualLink adapters use their Vendor IDs as the SVID. > > > > > > Since the SVID specific communication is exactly the same as with DisplayPort > > > alternate mode, there is no need to implement separate driver for VirtualLink. > > > We'll handle the current VirtualLink adapters with probe drivers, and once there > > > is SVID assigned for it, we add it to the displayport alt mode driver. > > > > > > To support probing drivers, exporting the probe and remove functions, and also > > > changing the DP_HEADER helper macro to use the SVID of the alternate mode > > > device instead of the DisplayPort alt mode SVID. > > > > > > Suggested-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> > > > Signed-off-by: Ajay Gupta <ajayg@xxxxxxxxxx> > > > Signed-off-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> > > > --- > > > drivers/usb/typec/altmodes/displayport.c | 12 +++++++----- > > > 1 file changed, 7 insertions(+), 5 deletions(-) > > Looks like you missed adding displayport.h file. It is available in original patch below, > > https://marc.info/?l=linux-usb&m=155492587224379&w=2 > > That's the one I picked, and I did compile the driver as well.. I'm > not sure what I've done, but I'll resend the series. It looks like I broke the patch after I did a small modification to it. I had changed your "From" address so it matches your singed-of-by address. My compile test passed because the header was an untracked file :-) Sorry again. Let's do one more test round, and resend. thanks, -- heikki