[PATCH rc v2] iommu/arm-smmu-v3: Fix iommu_device_probe bug due to duplicated stream ids

[Will Deacon]

On Tue, 15 Apr 2025 11:56:20 -0700, Nicolin Chen wrote:
> ASPEED VGA card has two built-in devices:
>  0008:06:00.0 PCI bridge: ASPEED Technology, Inc. AST1150 PCI-to-PCI Bridge (rev 06)
>  0008:07:00.0 VGA compatible controller: ASPEED Technology, Inc. ASPEED Graphics Family (rev 52)
> 
> Its toplogy looks like this:
>  +-[0008:00]---00.0-[01-09]--+-00.0-[02-09]--+-00.0-[03]----00.0  Sandisk Corp Device 5017
>                              |               +-01.0-[04]--
>                              |               +-02.0-[05]----00.0  NVIDIA Corporation Device
>                              |               +-03.0-[06-07]----00.0-[07]----00.0  ASPEED Technology, Inc. ASPEED Graphics Family
>                              |               +-04.0-[08]----00.0  Renesas Technology Corp. uPD720201 USB 3.0 Host Controller
>                              |               \-05.0-[09]----00.0  Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
>                              \-00.1  PMC-Sierra Inc. Device 4028
> 
> [...]

Applied to iommu (arm/smmu/fixes), thanks!

[1/1] iommu/arm-smmu-v3: Fix iommu_device_probe bug due to duplicated stream ids
      https://git.kernel.org/iommu/c/b00d24997a11

Cheers,
-- 
Will

https://fixes.arm64.dev
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