Re: Reset implementation for Zynq

From: Shubhrajyoti Datta
Date: Tue Nov 08 2016 - 01:35:03 EST


On Fri, Oct 21, 2016 at 10:34 PM, Moritz Fischer
<moritz.fischer@xxxxxxxxx> wrote:
> Iztok,
>
> On Fri, Oct 21, 2016 at 03:08:47AM -0700, iztok.jeras@xxxxxxxxxxxxx wrote:
>> Hi Moritz,
>>
>> I was looking at your reset implementation for Zynq:
>> https://github.com/Xilinx/linux-xlnx/blob/629041605b93343ad2e8971ceaac3edcef0b043b/drivers/reset/reset-zynq.c
>> I went through related mailing list posts (including earlier versions of the patch) so I kind of understand what to change in the device tree.
>
> Please look at the upstream kernel sources and use the mailing list
> (lkml) if you want to report bugs. Xilinx' vendor tree might or might
> not be up to date.
>
>> I would like to use this driver to reset the Zynq I2C controller, since we have trouble with it getting into a lock up state.

Can you explain what you are facing and what is meant by lockup state.