[PATCH v6 0/5] PCI: Unify ECAM constants in native PCI Express drivers

Bjorn Helgaas helgaas at kernel.org
Tue Dec 8 16:06:13 EST 2020


[+cc Qian]

On Tue, Dec 08, 2020 at 04:41:50PM +0100, Michael Walle wrote:
> Hi Lorenzo, Krzysztof,
> 
> >On Sun, 29 Nov 2020 23:07:38 +0000, Krzysztof Wilczyński wrote:
> >> Unify ECAM-related constants into a single set of standard constants
> >> defining memory address shift values for the byte-level address that can
> >> be used when accessing the PCI Express Configuration Space, and then
> >> move native PCI Express controller drivers to use newly introduced
> >> definitions retiring any driver-specific ones.
> >> 
> >> The ECAM ("Enhanced Configuration Access Mechanism") is defined by the
> >> PCI Express specification (see PCI Express Base Specification, Revision
> >> 5.0, Version 1.0, Section 7.2.2, p. 676), thus most hardware should
> >> implement it the same way.
> >> 
> >> [...]
> >
> >Applied to pci/ecam, thanks!
> >
> >[1/5] PCI: Unify ECAM constants in native PCI Express drivers
> >      https://git.kernel.org/lpieralisi/pci/c/f3c07cf692
> >[2/5] PCI: thunder-pem: Add constant for custom ".bus_shift" initialiser
> >      https://git.kernel.org/lpieralisi/pci/c/3c38579263
> >[3/5] PCI: iproc: Convert to use the new ECAM constants
> >      https://git.kernel.org/lpieralisi/pci/c/333ec9d3cc
> >[4/5] PCI: vmd: Update type of the __iomem pointers
> >      https://git.kernel.org/lpieralisi/pci/c/89094c12ea
> >[5/5] PCI: xgene: Removed unused ".bus_shift" initialisers from pci-xgene.c
> >      https://git.kernel.org/lpieralisi/pci/c/3dc62532a5
> 
> Patch 1/5 breaks LS1028A boards:

I temporarily dropped this series while we figure out what went wrong
here.

Bjorn



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