On Fri, Jan 22, 2016 at 1:44 AM, Uwe Kleine-König
<u.kleine-koe...@pengutronix.de> wrote:
> Hello Roger,
>
> On Fri, Jan 22, 2016 at 12:11:12AM +0900, Roger Shimizu wrote:
>> On Mon, Jan 11, 2016 at 2:23 PM, Martin Michlmayr <t...@cyrius.com> wrote:
>> > Package: linux
>> > Version: 4.3.3-5
>> > Severity: wishlist
>> > Tags: patch
>> >
>> > It would be nice to include the Device Tree model in the reportbug
>> > output. On DT based platforms, /proc/cpuinfo only includes quite
>> > generic information.
>> >
>> > Please note that the strange "echo ... $(cat ..)" construct is
>> > intentional. 'cat /proc/device-tree/model' leads to a strange
>> > character at the end because there's no newline and using echo
>> > gets rid of it.
>> >
>> > diff --git a/debian/templates/image.plain.bug/include-model
>> > b/debian/templates/image.plain.bug/include-model
>> > index 60a7112..9c6aedd 100644
>> > --- a/debian/templates/image.plain.bug/include-model
>> > +++ b/debian/templates/image.plain.bug/include-model
>> > @@ -39,6 +39,11 @@ grep_model() {
>> > false
>> > ;;
>> > esac
>> > +
>> > + # Device Tree model
>> > + if [ -r /proc/device-tree/model ]; then
>> > + echo "Device Tree model:" $(cat /proc/device-tree/model)
>> > + fi
>> > }
>> >
>> > add_model() {
>>
>> Above patch seems only report the model from dts.
>> How about user uses a modified dts, other than the one ships with the kernel?
>>
>> So I suggest to add a hash-code of the dts used currently.
>> Is there any method to find the file location of dts used currently?
> The location is not available, because it's put in memory by the
> bootloader before jumping into the kernel image. So the best thing you
> can do is to extract it from /sys. I don't know off-hand how this works,
> but I know who to ask if needed.
According to: http://xillybus.com/tutorials/device-tree-zynq-1
the DTS can be extracted by:
scripts/dtc/dtc -I fs -O dts -o ~/effective.dts /proc/device-tree/
I haven't tried this, but if so and we need to add the dependency of
dtc command, then we can append the DTS to bugreport.
Cheers,
Roger
