On Jun 2, 2014, at 10:09 AM, Grant Likely <grant.lik...@linaro.org> wrote:

> On Sat, 31 May 2014 20:41:04 +0200, Arnd Bergmann <a...@arndb.de> wrote:
>> On Saturday 31 May 2014 01:36:40 Liviu Dudau wrote:
>>> We would like to be able to describe PCIe ECAM resources as
>>> IORESOURCE_MEM blocks while distinguish them from standard
>>> memory resources. Add an IORESOURCE_BIT entry for this case.
>>> 
>>> Signed-off-by: Liviu Dudau <liviu.du...@arm.com>
>> 
>> I still don't see any value in this at all. What is the advantage
>> of doing this opposed to just having a standardized 'reg' property
>> for a particular compatible string?
> 
> I'm inclined to agree. It doesn't seem appropriate to put config space
> in ranges, and the host controller binding is responsible for
> identifying how config space is memory mapped.
> 
> g.

I don’t agree when it comes to ECAM, but we can drop this for now until someone 
really does that.

However, what do we do with the 2 cases that exist in upstream that are using 
ranges for cfg space?

- k

-- 
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by 
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