linux-kernel - [PATCH 1/1] dt-bindings: PCI: host-generic-pci: Increase maxItems to 8 of ranges

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Message-Id: <20240702153702.3827386-1-Frank.Li@nxp.com>
Date: Tue,  2 Jul 2024 11:37:02 -0400
From: Frank Li <Frank.Li@....com>
To: Will Deacon <will@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	linux-pci@...r.kernel.org (open list:PCI DRIVER FOR GENERIC OF HOSTS),
	linux-arm-kernel@...ts.infradead.org (moderated list:PCI DRIVER FOR GENERIC OF HOSTS),
	devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS),
	linux-kernel@...r.kernel.org (open list)
Cc: imx@...ts.linux.dev
Subject: [PATCH 1/1] dt-bindings: PCI: host-generic-pci: Increase maxItems to 8 of ranges

IEEE Std 1275-1994 is Inactive-Withdrawn Standard according to
https://standards.ieee.org/ieee/1275/1932/.

"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.

Inscrease maximum to 8 because freescale ls1028 and iMX95 use more than
3 ranges.

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