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Message-ID: <20240702164350.GA24498@bhelgaas>
Date: Tue, 2 Jul 2024 11:43:50 -0500
From: Bjorn Helgaas <helgaas@...nel.org>
To: Frank Li <Frank.Li@....com>
Cc: Will Deacon <will@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Krzysztof WilczyĆski <kw@...ux.com>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
"open list:PCI DRIVER FOR GENERIC OF HOSTS" <linux-pci@...r.kernel.org>,
"moderated list:PCI DRIVER FOR GENERIC OF HOSTS" <linux-arm-kernel@...ts.infradead.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" <devicetree@...r.kernel.org>,
open list <linux-kernel@...r.kernel.org>, imx@...ts.linux.dev
Subject: Re: [PATCH 1/1] dt-bindings: PCI: host-generic-pci: Increase
maxItems to 8 of ranges
On Tue, Jul 02, 2024 at 11:37:02AM -0400, Frank Li wrote:
> IEEE Std 1275-1994 is Inactive-Withdrawn Standard according to
> https://standards.ieee.org/ieee/1275/1932/.
I'm not quite sure what the connection is? Is the sentence below a
quote from the spec above? Perhaps include the section number it came
from?
> "require at least one non-prefetchable memory and One or both of
> prefetchable Memory and IO Space may also be provided". But it does not
> limit maximum ranges number is 3.
"But IEEE Std 1275-1994 does not limit maximum ranges to 3"?
> Inscrease maximum to 8 because freescale ls1028 and iMX95 use more than
> 3 ranges.
s/Inscrease/Increase/
> Fix below CHECK_DTBS warning.
> arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dtb: pcie@...000000: ranges: [[2181038080, 1, 4160749568, 1, 4160749568, 0, 1441792], [3254779904, 1, 4162191360, 1, 4162191360, 0, 458752], [2181038080, 1, 4162650112, 1, 4162650112, 0, 131072], [3254779904, 1, 4162781184, 1, 4162781184, 0, 131072], [2181038080, 1, 4162912256, 1, 4162912256, 0, 131072], [3254779904, 1, 4163043328, 1, 4163043328, 0, 131072], [2181038080, 1, 4227858432, 1, 4227858432, 0, 4194304]] is too long
>
> Signed-off-by: Frank Li <Frank.Li@....com>
> ---
> Documentation/devicetree/bindings/pci/host-generic-pci.yaml | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/pci/host-generic-pci.yaml b/Documentation/devicetree/bindings/pci/host-generic-pci.yaml
> index 3484e0b4b412e..506eed7f6c63d 100644
> --- a/Documentation/devicetree/bindings/pci/host-generic-pci.yaml
> +++ b/Documentation/devicetree/bindings/pci/host-generic-pci.yaml
> @@ -103,7 +103,7 @@ properties:
> definition of non-prefetchable memory. One or both of prefetchable Memory
> and IO Space may also be provided.
> minItems: 1
> - maxItems: 3
> + maxItems: 8
>
> dma-coherent: true
> iommu-map: true
> --
> 2.34.1
>
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