[PATCH v6 08/14] ACPI: ARM64: IORT: rework iort_node_get_id()

Hanjun Guo hanjun.guo at linaro.org
Thu Jan 5 00:19:58 PST 2017

Hi Lorenzo,

On 2017/1/5 1:58, Lorenzo Pieralisi wrote:
> On Mon, Jan 02, 2017 at 09:31:39PM +0800, Hanjun Guo wrote:
>> iort_node_get_id() has two output, one is the mapped ids,
>> the other is the referenced parent node which is returned
>> from the function.
>> For now we need a API just return its parent node for
>> single mapping, so just update this function slightly then
>> reuse it later.
> I think we need to fix iort_node_get_id() first though, I am referring
> to the index usage in relation to acpi_iort_id_mapping.output_reference
> and related parent pointer retrieval as you reported to me, I am happy
> to send it upstream independently.

Sure, please.

> As for this patch it is ok even though we can create an API that
> just retrieve a node parent without fiddling about with passing
> a NULL pointer for the id_out to achieve the same.

Since you commented "[PATCH v6 05/14] ACPI: platform-msi: retrieve dev
id from IORT" which also refer to this API, I will reply in that


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