How to enable IIO driver in 3.18 kernel

[Munagala Naresh]

Thanks for the response.

>From the "cat /proc/devices", I could see "iio" listed like this.

/ # cat /proc/devices
cat /proc/devices
Character devices:
  1 mem
  4 /dev/vc/0
  4 tty
  5 /dev/tty
  5 /dev/console
  5 /dev/ptmx
 ------
*250 iio*
251 pps
 -----

I could see few other deices @ /dev/xxxx. CONFIG_DEVTMPFS is not set in the
def config. I will try it by adding "CONFIG_DEVTMPFS=y" and
"CONFIG_DEVTMPFS_MOUNT=y".












Thanks,
Naresh

On Wed, Jun 1, 2016 at 9:41 AM, <Valdis.Kletnieks at vt.edu> wrote:

> On Wed, 01 Jun 2016 08:19:20 +0530, Munagala Naresh said:
>
> > We are integrating one sensor driver in to LE platform. After adding
> sensor
> > driver, it is creating device @ /sys/bus/iio/devices/iio:device0,1,2.
>
> > Sensor driver makes use of IIO subsystem framework. We are not seeing iio
> > device creation @ */dev/iio:device0*,1,2
>
> The kernel is creating your device in /sys.  You need to either get udev
> knowing what
> to do to mknod the /dev entry,  or check if your kernel config has:
>
> CONFIG_DEVTMPFS=y
> CONFIG_DEVTMPFS_MOUNT=y
>
> so the kernel takes care of it for you.
>



-- 
Regards
Naresh Babu
09900139337
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