[PATCH] 8250_pci: Prevent Exar/RTD Boards from binding.

Rob Groner rgroner at RTD.com
Thu Nov 12 08:28:20 EST 2015


> -----Original Message-----
> From: Greg KH [mailto:greg at kroah.com]
> Sent: Wednesday, November 11, 2015 5:13 PM
> To: Rob Groner <rgroner at RTD.com>
> Cc: Sudip Mukherjee <sudipm.mukherjee at gmail.com>;
> kernelnewbies at kernelnewbies.org
> Subject: Re: [PATCH] 8250_pci: Prevent Exar/RTD Boards from binding.
> 
> On Wed, Nov 11, 2015 at 09:49:11PM +0000, Rob Groner wrote:
> > > > We all know you are busy. If you want I can try the cleanup and
> > > > send it to Rob for testing.
> > >
> > > Yes please, it should just require a change to the existing 8250
> > > driver code for this platform, it should not be a stand-alone driver.
> > >
> > > thanks,
> > >
> > > greg k-h
> >
> > I'm a little confused by that, but I'm happily standing by, ready to
> > test the result, or any other way I can help.
> >
> > As long as our boards that use the Exar chip aren't sucked up by the
> > kernel 8250 driver, then mission accomplished!
> 
> It should be sucked up by the 8250 driver, the driver they posted is just a fork
> of the existing driver with a few small, odd, modifications.
> the 8250 framework is _so_ flexible that I'm sure it can support this hardware
> as-is, the hardware just needs to be properly described to the driver.
> 
> The last time I did this, it took 2 days of reading the driver and figuring it all
> out, and then only 16 new lines of code/tables added to the driver to support
> a new device that was a bit "odd" from a normal uart.  I expect the same
> thing would be needed here, but maybe more lines of code :)
> 
> thanks,
> 
> greg k-h

Oooo, ok.  Fantastic!  Testing is standing by.

Rob G




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