Re: [PATCH RESEND] dt-bindings: PCI: mediatek-gen3: Allow memory-region for restricted DMA buffer
Manivannan Sadhasivam <[email protected]>
| Newsgroups | org.infradead.lists.linux-mediatek,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-pci |
|---|---|
| Message-ID | <178455200859.22551.15072267007886622364.b4-ty@b4> |
On Mon, 20 Jul 2026 17:21:15 +0800, Chen-Yu Tsai wrote:
> On some SoCs without an IOMMU behind the PCIe controller, the PCIe
> controller memory access could be limited to a small region by the
> firmware configuring a memory protection unit. This memory region
> must be assigned to the PCIe controller so that the OS knows to
> use that region. Otherwise PCIe devices would not work properly.
>
> Allow the memory-region property with one item pointing to a
> restricted DMA buffer.
>
> [...]
Applied, thanks!
[1/1] dt-bindings: PCI: mediatek-gen3: Allow memory-region for restricted DMA buffer
commit: 7e38b7b0e0e582024e97289a3b63c201f226124d
Best regards,
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