On Thu, Apr 7, 2016 at 11:38 AM, Robert Nelson <[email protected]>
wrote:

>
>
> On Thu, Apr 7, 2016 at 11:30 AM, William Hermans <[email protected]>
> wrote:
>
>> *I was taking a look at chapter 13 yesterday with (v4.1.x-bone), which
>>> has uio_pruss however the uio class doesn't match up 100% either..*
>>>
>>
>> Robert, what do you mean by this ? I've had 4.1.*bone* working with uio
>> seemingly fine. Which is to say I do not doubt you, just wondering if there
>> is something I'm missing ?
>>
>
> So uio may work fine in 4.1.x-bone, but it's not matching up with the
> directions here:
>
> http://exploringbeaglebone.com/chapter13/#The_Programs
>
> Specifically Step 2 "/sys/class/uio/uio0/maps/map1"
>
> I think that's where all the new users are getting confused..
>

debian@beaglebone:~$ uname -r
4.1.20-bone-rt-r20

debian@beaglebone:~$ lsmod | grep uio
uio_pdrv_genirq         3309  0
uio                     8311  1 uio_pdrv_genirq

debian@beaglebone:~$ sudo modprobe uio_pruss extram_pool_sz=0x1E8480

debian@beaglebone:~$ lsmod | grep uio
uio_pruss               4582  0
uio_pdrv_genirq         3309  0
uio                     8311  2 uio_pruss,uio_pdrv_genirq

debian@beaglebone:~$ cd /sys/class/uio/
debian@beaglebone:/sys/class/uio$ tree
.

0 directories, 0 files

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

-- 
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