From mboxrd@z Thu Jan 1 00:00:00 1970 From: greg@kroah.com (Greg KH) Date: Fri, 25 Sep 2015 11:37:29 -0700 Subject: [PATCH] 8250_pci: Prevent Exar/RTD Boards from binding. In-Reply-To: References: <20150925154629.GA2603@kernel-dev> <67224.1443199660@turing-police.cc.vt.edu> Message-ID: <20150925183729.GA3269@kroah.com> To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org On Fri, Sep 25, 2015 at 05:37:03PM +0000, Rob Groner wrote: > > > -----Original Message----- > > From: Valdis.Kletnieks at vt.edu [mailto:Valdis.Kletnieks at vt.edu] > > Sent: Friday, September 25, 2015 12:48 PM > > To: Rob Groner > > Cc: kernelnewbies at kernelnewbies.org > > Subject: Re: [PATCH] 8250_pci: Prevent Exar/RTD Boards from binding. > > > > On Fri, 25 Sep 2015 11:46:29 -0400, Rob Groner said: > > > Serial boards made by RTD using the Exar XR17V358 chip rely on the > > > extra capabilities of the Exar-provided driver to allow configuration > > > of the board. When support for the Exar chip was added to the kernel > > > 8250_pci driver, this then prevented easy use of the board by > > > customers for anything other than standard serial usage in RS232 mode. > > > > Was it your intent to also prevent the use of this board in standard serial > > usage in RS232 mode (which I'd expect is the most common use case)? > > That is a byproduct of giving the non-average user the ability to > reconfigure their board. This will basically move us back to pre-3.8, > where the customer would simply have to insmod the provided Exar > driver. The small inconvenience to that more common user seems (to us > in Tech Support) outweighed by the much greater inconvenience to the > user who wants to reconfigure. Where is the exar driver, in the kernel already? confused, greg k-h