Messages in this thread | | | From | Oliver Neukum <> | Subject | Re: [PATCH] add new NRP power meter USB device driver | Date | Thu, 31 May 2012 14:32:40 +0200 |
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Am Donnerstag, 31. Mai 2012, 14:04:11 schrieben Sie: > 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.
Bad gamble for the future. We will end up with an interface which would not be implementable.
Regards Oliver
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