[U-Boot] [PATCH] imx: don't clobber reset cause

[Troy Kisky <troy.kisky@boundarydevices.com>]

On 2/5/2015 4:01 PM, Eric Nelson wrote:
> Hi Stefano,
> 
> On 02/05/2015 11:49 AM, Stefano Babic wrote:
>> Hi Eric,
>>
>> On 05/02/2015 19:22, Eric Nelson wrote:
>>
>>>
>>> Certainly, but it seems wrong to make a decision about where and how
>>> this might get passed to an O/S in code.
>>>
>>> If we want to generalize it, I'd be inclined to add commands to
>>> query (into a variable) and clear the reset cause.
>>>
>>> That would still require this patch though.
>>
>> I do not think there should be a command. The cause must be directly
>> associated to the variable, and the reset cause cleared.
>>
> 
> Okay. Here are two options:
> 
> The first one stores the value in 'reset_cause' as a hex
> value, and is generally more extensible:
> 	http://patchwork.ozlabs.org/patch/436972/
> 
> The second stores it as a human-readable string using
> roughly the same names as were previously printed.
> I changed the names slightly to avoid embedded whitespace
> so the values can be appended to bootargs without escapes:
> 	http://patchwork.ozlabs.org/patch/436974/
> 
> I prefer the first, but don't have a strong opinion
> one way or the other.
> 
> Regards,


My feelings are the same.

Troy