[Skiboot] [PATCH] opal/hmi: Catch NPU2 HMIs for opencapi

Frederic Barrat fbarrat at linux.ibm.com
Fri Aug 10 18:26:49 AEST 2018



Le 10/08/2018 à 06:41, Andrew Donnellan a écrit :
> On 10/08/18 14:02, Andrew Donnellan wrote:
>>>               p = phb_to_npu(phb);
>>
>> This is broken - in fact, afaict it's currently broken for NVLink, 
>> because this is using the NPU1 accessor function.
>>
>> You want something like this for NVLink (which might need to go to 
>> stable?):
>>
>> if (dt_node_is_compatible(phb->dt_node, "ibm,power9-npu-pciex") &&
>>      (dt_get_chip_id(phb->dt_node) == flat_chip_id)) {
>>      p = phb_to_npu2_nvlink(phb);
>>      break;
>> }
>>
>> And this for OpenCAPI:
>>
>> if (dt_node_is_compatible(phb->dt_node, 
>> "ibm,power9-npu-pciex-opencapi") &&
>>      (dt_get_chip_id(phb->dt_node) == flat_chip_id)) {
>>      p = phb_to_npu2_dev_ocapi(phb)->npu;
>>      break;
>> }
> 
> Looking at this more closely - it's inconsequential as we don't 
> reference p again after this point.
> 
> It should really be just a boolean "found" or something.


Yeah, it doesn't really matter, but I'll clean it up. Thanks!

   Fred



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