This patchset factors out duplicated code associated with parsing PCI
DT "ranges" properties across the architectures and introduces a
"ranges" parser. This parser "of_pci_range_parser" can be used directly
by ARM host bridge drivers enabling them to obtain ranges from device
trees.
Compared to the v4 (incorrectly labelled v3) sent by Andrew Murray,
the following changes have been made:
* Split the patch as suggested by Rob Herring
Compared to the v3 sent by Andrew Murray, the following changes have
been made:
* Unify and move duplicate pci_process_bridge_OF_ranges functions to
drivers/of/of_pci.c as suggested by Rob Herring
* Fix potential build errors with Microblaze/MIPS
Compared to "[PATCH v5 01/17] of/pci: Provide support for parsing PCI DT
ranges property", the following changes have been made:
* Correct use of IORESOURCE_* as suggested by Russell King
* Improved interface and naming as suggested by Thierry Reding
Compared to the v2 sent by Andrew Murray, Thomas Petazzoni did:
* Add a memset() on the struct of_pci_range_iter when starting the
for loop in for_each_pci_range(). Otherwise, with an uninitialized
of_pci_range_iter, of_pci_process_ranges() may crash.
* Add parenthesis around 'res', 'np' and 'iter' in the
for_each_of_pci_range macro definitions. Otherwise, passing
something like &foobar as 'res' didn't work.
* Rebased on top of 3.9-rc2, which required fixing a few conflicts in
the Microblaze code.
v2:
This follows on from suggestions made by Grant Likely
(marc.info/?l=linux-kernel&m=136079602806328)
Andrew Murray (3):
of/pci: Unify pci_process_bridge_OF_ranges from Microblaze and
PowerPC
of/pci: Provide support for parsing PCI DT ranges property
of/pci: mips: convert to common of_pci_range_parser
arch/microblaze/include/asm/pci-bridge.h | 5 +-
arch/microblaze/pci/pci-common.c | 192 ------------------------------
arch/mips/pci/pci.c | 50 +++------
arch/powerpc/include/asm/pci-bridge.h | 5 +-
arch/powerpc/kernel/pci-common.c | 192 ------------------------------
drivers/of/address.c | 63 ++++++++++
drivers/of/of_pci.c | 168 ++++++++++++++++++++++++++
include/linux/of_address.h | 42 +++++++
include/linux/of_pci.h | 3 +
9 files changed, 294 insertions(+), 426 deletions(-)
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