Re: [PATCH] arm64: dts: qcom: Remove "iommus" property from PCIe nodes
From: Bjorn Andersson
Date: Fri Apr 07 2023 - 13:39:07 EST
On Wed, 8 Mar 2023 13:26:48 +0530, Manivannan Sadhasivam wrote:
> Currently, most of the Qualcomm SoCs specify both "iommus" and "iommu-map"
> properties for the PCIe nodes. First one passes the SMR mask to the iommu
> driver and the latter specifies the SID for each PCIe device.
>
> But with "iommus" property, the PCIe controller will be added to the
> iommu group along with the devices. This makes no sense because the
> controller will not initiate any DMA transaction on its own. And moreover,
> it is not strictly required to pass the SMR mask to the iommu driver. If
> the "iommus" property is not present, then the default mask of "0" would be
> used which should work for all PCIe devices.
>
> [...]
Applied, thanks!
[1/1] arm64: dts: qcom: Remove "iommus" property from PCIe nodes
commit: 6340b391e15094575911ab0d96bfff09deadafba
Best regards,
--
Bjorn Andersson <andersson@xxxxxxxxxx>