linux-kernel - Re: [PATCH v4 1/2] New driver: Xillybus generic interface for FPGA (programmable logic)

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Message-ID: <20130520183906.GA14851@kroah.com>
Date:	Mon, 20 May 2013 11:39:06 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Eli Billauer <eli.billauer@...il.com>
Cc:	linux-kernel@...r.kernel.org, arnd@...db.de, hjk@...sjkoch.de
Subject: Re: [PATCH v4 1/2] New driver: Xillybus generic interface for FPGA
 (programmable logic)

On Fri, May 17, 2013 at 05:53:39PM +0300, Eli Billauer wrote:
> This is the documentation for the Xillybus driver. It's intended for kernel
> maintainers, since actual users will most likely rely on other documentation.
> 
> It has turned out somewhat tricky to put Xillybus in one of the existing
> categories of device drivers. I placed it under drivers/uio, mainly because it
> shares the spirit of a generic driver allowing userspace programs to talk
> directly with hardware. Unlike the classic UIO devices, Xillybus' char files
> shouldn't be memory mapped, but rather used in the regular manner as streams
> of data.

Because of that, this isn't a UIO driver at all.  It doesn't use the UIO
interfaces, so it shouldn't be in this directory, sorry.

thanks

greg k-h
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