[PATCH v2] PCI: mediatek-gen3: Fix translation window

Krzysztof Wilczyński kw at linux.com
Mon Jan 8 20:37:21 PST 2024


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



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