Messages in this thread | | | Subject | Re: [PATCH 1/2] pci: Add IORESOURCE_BIT entry for PCIe ECAM resources. | From | Kumar Gala <> | Date | Mon, 2 Jun 2014 10:40:30 -0500 |
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On Jun 2, 2014, at 10:09 AM, Grant Likely <grant.likely@linaro.org> wrote:
> On Sat, 31 May 2014 20:41:04 +0200, Arnd Bergmann <arnd@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.Dudau@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
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