[PATCH v2] PCI: rockchip: Use 64-bit mask on MSI 64-bit PCI address

Krzysztof Wilczyński kw at linux.com
Mon Jul 3 05:08:25 PDT 2023


Hello,

> > A 32-bit mask was used on the 64-bit PCI address used for mapping MSIs.
> > This would result in the upper 32 bits being unintentionally zeroed and
> > MSIs getting mapped to incorrect PCI addresses if the address had any
> > of the upper bits set.
> > 
> > Replace 32-bit mask by appropriate 64-bit mask.

[...]
> > +#define PCIE_ADDR_MASK			GENMASK(63, MIN_AXI_ADDR_BITS_PASSED)
> 
> Nit: this probably wants to be GENMASK_ULL(), otherwise it might throw a
> warning if compile-tested for 32-bit.

I can change this to GENMASK_ULL() when I apply the patch.  Unless Rick
wants to send v3 - either way would be fine. :)

	Krzysztof



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