Re: [PATCH v2] PCI: mediatek-gen3: Fix translation window
From: Krzysztof Wilczyński
Date: Mon Jan 08 2024 - 23:37:43 EST
Hello,
> The size of translation table should be a power of 2, using fls()
> cannot get the proper value when the size is not a power of 2. For
> example, fls(0x3e00000) - 1 = 25, hence the PCIe translation window
> size will be set to 0x2000000 instead of the expected size 0x3e00000.
>
> Fix translation window by splitting the MMIO space to multiple tables if
> its size is not a power of 2.
Applied to controller/mediatek, thank you!
[1/1] PCI: mediatek-gen3: Fix translation window size calculation
https://git.kernel.org/pci/pci/c/8b7b89ef507c
Krzysztof