Re: [PATCH v8 5/5] arm64: dts: qcom: x1e80100: Add support for PCIe3 on x1e80100

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On 11/13/2024 1:29 AM, Johan Hovold wrote:
On Mon, Nov 11, 2024 at 11:44:17AM +0800, Qiang Yu wrote:
On 11/5/2024 1:28 PM, Qiang Yu wrote:
On 11/4/2024 10:35 PM, Johan Hovold wrote:
On Thu, Oct 31, 2024 at 08:09:02PM -0700, Qiang Yu wrote:
+            ranges = <0x01000000 0x0 0x00000000 0x0 0x78200000 0x0
0x100000>,
+                 <0x02000000 0x0 0x78300000 0x0 0x78300000 0x0
0x3d00000>,
Can you double check the size here so that it is indeed correct and not
just copied from the other nodes which initially got it wrong:

     https://lore.kernel.org/lkml/20240710-topic-barman-v1-1-5f63fca8d0fc@xxxxxxxxxx/
BTW, regions of PCIe6a, PCIe4, PCIe5 are 64MB, 32MB, 32MB, respectively.
Why range size is set to 0x1d00000 for PCIe6a, any issue is reported on
PCIe6a?
Thanks for checking. It seems the patch linked to above was broken for
PCIe6a then.

We did see PCIe5 probe breaking due to the overlap with PCIe4 but the
patch predates PCIe5 support being posted and merged so it was probably
just based on inspection.

Could you send a fix for PCIe6a?
Sure, will send the fix.

Thanks,
Qiang Yu

Johan




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