Re: [RFC] asm-generic/pci_iomap.h: make custom PCI BAR requirements explicit

From: Luis R. Rodriguez
Date: Mon Oct 05 2015 - 12:59:08 EST


On Sat, Oct 03, 2015 at 05:14:20PM -0700, Randy Dunlap wrote:
> On 10/02/15 16:17, Luis R. Rodriguez wrote:
> > On Fri, Aug 28, 2015 at 07:13:08PM -0700, Randy Dunlap wrote:
> >> On 08/28/15 17:17, Luis R. Rodriguez wrote:
> >>>
> >>> arch/s390/Kconfig | 8 +++++
> >>> arch/s390/include/asm/io.h | 11 -------
> >>> arch/s390/include/asm/pci.h | 2 --
> >>> arch/s390/include/asm/pci_iomap.h | 33 +++++++++++++++++++++
> >>> arch/s390/pci/pci.c | 2 ++
> >>> include/asm-generic/io.h | 12 --------
> >>> include/asm-generic/iomap.h | 10 -------
> >>> include/asm-generic/pci_iomap.h | 62 +++++++++++++++++++++++++++++++++++----
> >>> lib/Kconfig | 1 +
> >>> lib/pci_iomap.c | 5 ++++
> >>> 10 files changed, 105 insertions(+), 41 deletions(-)
> >>> create mode 100644 arch/s390/include/asm/pci_iomap.h
> >>>
> >>> diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
> >>> index 1d57000b1b24..1217b7db4265 100644
> >>> --- a/arch/s390/Kconfig
> >>> +++ b/arch/s390/Kconfig
> >>> @@ -614,6 +614,14 @@ endif # PCI
> >>> config PCI_DOMAINS
> >>> def_bool PCI
> >>>
> >>> +config ARCH_PCI_NON_DISJUNCTIVE
> >>> + def_bool PCI
> >>> + help
> >>> + On the S390 architecture PCI BAR spaces are not disjunctive, as such
> >>
> >> are not disjoint? may be overlapping?
> >>
> >>> + the PCI bar is required on a series of otherwise asm generic PCI
> >>> + routines, as such S390 requires itw own implemention for these
> >>
> >> its own implementation
> >
> > Thanks, I've re-written this as:
> >
> > mcgrof@ergon ~/linux-next (git::(no branch, rebasing 20150805-pend-all))$ git diff
> > diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
> > index f4725d1af438..8ba5826ed13b 100644
> > --- a/arch/s390/Kconfig
> > +++ b/arch/s390/Kconfig
> > @@ -618,10 +618,10 @@ config PCI_DOMAINS
> > config ARCH_PCI_NON_DISJUNCTIVE
> > def_bool PCI
> > help
> > - On the S390 architecture PCI BAR spaces are not disjunctive, as such
> > - the PCI bar is required on a series of otherwise asm generic PCI
> > - routines, as such S390 requires itw own implemention for these
> > - routines.
> > + On the S390 architecture PCI BAR spaces may overlap with each other,
>
> That "other," should not end with a comma. Either use a semi-colon or use a
> period and begin the next sentence with Because.

Amended, thanks.

Luis
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