lkml.org 
[lkml]   [2012]   [May]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] add new NRP power meter USB device driver
On Thu, May 31, 2012 at 12:17:11PM +0200, Oliver Neukum wrote:
> Am Donnerstag, 31. Mai 2012, 11:53:04 schrieb Greg KH:
> > > So it is a chicken and egg problem. A lot of software is now out with
> > > depends on this driver and a lot of embedded development environments
> > > doesn't provide libudev, libsysfs und libusb. It will also increase the
> > > size of the image and adds additional dependencies to the application.
> >
> > You don't need any of those libraries to do this. What's wrong with
> > using "raw" usbfs interactions?
>
> SPI is not limited to USB. If we can get a unified subsystem then the
> drivers need to be in kernel space, as some hardware does not allow
> a solution in user space.

Ok, now that is a valid reason for a kernel driver.

But, I think it should use the IIO interface, as that should handle
these types of devices.

thanks,

greg k-h


\
 
 \ /
  Last update: 2012-05-31 14:41    [from the cache]
©2003-2011 Jasper Spaans