diff mbox series

[v10,3/3] dt-bindings: PCI: microchip,pcie-host: allow dma-noncoherent

Message ID 20241011140043.1250030-4-daire.mcnamara@microchip.com (mailing list archive)
State Handled Elsewhere
Headers show
Series Fix address translations on MPFS PCIe controller | expand

Checks

Context Check Description
conchuod/vmtest-for-next-PR fail PR summary
conchuod/patch-3-test-1 success .github/scripts/patches/tests/build_rv32_defconfig.sh took 112.77s
conchuod/patch-3-test-2 success .github/scripts/patches/tests/build_rv64_clang_allmodconfig.sh took 979.71s
conchuod/patch-3-test-3 success .github/scripts/patches/tests/build_rv64_gcc_allmodconfig.sh took 1152.37s
conchuod/patch-3-test-4 success .github/scripts/patches/tests/build_rv64_nommu_k210_defconfig.sh took 17.00s
conchuod/patch-3-test-5 success .github/scripts/patches/tests/build_rv64_nommu_virt_defconfig.sh took 19.02s
conchuod/patch-3-test-6 success .github/scripts/patches/tests/checkpatch.sh took 0.34s
conchuod/patch-3-test-7 success .github/scripts/patches/tests/dtb_warn_rv64.sh took 37.82s
conchuod/patch-3-test-8 success .github/scripts/patches/tests/header_inline.sh took 0.00s
conchuod/patch-3-test-9 success .github/scripts/patches/tests/kdoc.sh took 0.51s
conchuod/patch-3-test-10 success .github/scripts/patches/tests/module_param.sh took 0.01s
conchuod/patch-3-test-11 success .github/scripts/patches/tests/verify_fixes.sh took 0.00s
conchuod/patch-3-test-12 success .github/scripts/patches/tests/verify_signedoff.sh took 0.02s

Commit Message

Daire McNamara Oct. 11, 2024, 2 p.m. UTC 
From: Conor Dooley <conor.dooley@microchip.com>

PolarFire SoC may be configured in a way that requires non-coherent DMA
handling. On RISC-V, buses are coherent by default & the dma-noncoherent
property is required to denote buses or devices that are non-coherent.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Daire McNamara <daire.mcnamara@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
---
 Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml b/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml
index 612633ba59e2..5f5f2b25d797 100644
--- a/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml
+++ b/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml
@@ -44,6 +44,8 @@  properties:
     items:
       pattern: '^fic[0-3]$'
 
+  dma-coherent: true
+
   ranges:
     minItems: 1
     maxItems: 3