[U-Boot] Reprobe devices at run time

Jean-Jacques Hiblot jjhiblot at ti.com
Thu Jun 21 14:46:00 UTC 2018



On 21/06/2018 12:04, Michal Simek wrote:
> Hi Simon,
>
> On 21.6.2018 04:02, Simon Glass wrote:
>> Hi Michal,
>>
>> On 20 June 2018 at 00:31, Michal Simek <michal.simek at xilinx.com> wrote:
>>> Hi Simon and other,
>>>
>>> do we have a way to remove device and probe it again via u-boot prompt?
>>> I was grepping u-boot and I didn't find any command for that. I see
>>> functionality in the code and several tests but nothing what it is
>>> available via command.
>> No we do not. But see the recent patch to allow bind/unbind from the
>> command line. That might point the way.
I agree with Simon.
I'll send an updated version soon which does remove the device before 
unbinding.
Unbind/rebinding would work in this case to re-trigger a probe.
Alternatively one could add probe/remove commands with kind of the same 
UI as bind/unbind (minus the driver name).

JJ
> Thanks for pointer. I have commented that series and let's have
> discussion there.
>
> Thanks,
> Michal
>
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