On Mon, 2018-01-22 at 13:01 +0100, Marcel Holtmann wrote: > > > > Anyways it looks like this will be really hard to do without > > > > access > > > > to the hardware. > > > > > > I can do a BAT. > > > > Right, sorry I was not clear, when I was talking about hardware > > access I was not (not only) referring to testing. > > > > The problem is that to figure out how to hook all this together > > will require poking around on the hardware, looking in sysfs, > > finding > > some id we can use in a pci_serdev_register_devices() to add to > > drivers/tty/serdev/core.c so that it only turns the serial port on > > the Edison into a serdev and not somewhere else, etc. > > > > But thinking about this more, I too have higher priority items on > > my TODO list, so as much as I would like to see this cleaned up, > > lets shelf this for now until you have time to look into this. > > > > When you do find time, if you've any questions I'm happy to help. > > so in theory the Edison board has SFI. Problem is just that I am not > sure the SFI on the board is fully correct and contains enough > information to identify the serial port correctly. Unfortunately SFI was so badly designed that board (hard coded) data is needed. > If no one is willing to help port this over to serdev, then one option > is just to rip it out and see who complains. Me in the first place. + I guess at least couple of users as of my knowledge. + Undefined amount of swindled users of Edison who is trying or already did a switch to vanilla kernel. > Or include a version that is trying its best and see who reports > issues and who helps to fix it. I am now regretting that I accepted > the Edison support in the first place, but sadly serdev was not yet > fully baked at that point. +Cc: Ferry, who might be interested in the helping with it. -- Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Intel Finland Oy -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html