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authorLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2014-11-21 11:29:26 +0000
committerBjorn Helgaas <bhelgaas@google.com>2014-12-27 18:19:18 -0700
commit8c7d14746abce601b768533c3ccb3f3e64f98551 (patch)
tree2eeafa69ca4d3cf053890d62dbc81c19dcc2d1fe /arch/arm/include/asm/pci.h
parentc88d54ba0c3d89b925bfb8e98b13a3f55b55cde4 (diff)
ARM/PCI: Move to generic PCI domains
Most if not all ARM PCI host controller device drivers either ignore the domain field in the pci_sys_data structure or just increment it every time a host controller is probed, using it as a domain counter. Therefore, instead of relying on pci_sys_data to stash the domain number in a standard location, ARM pcibios code can be moved to the newly introduced generic PCI domains code, implemented in commits: 41e5c0f81d3e ("of/pci: Add pci_get_new_domain_nr() and of_get_pci_domain_nr()") 670ba0c8883b ("PCI: Add generic domain handling") ARM code is made to select PCI_DOMAINS_GENERIC by default, which builds core PCI code that assigns the domain number through the generic function: void pci_bus_assign_domain_nr(...) that relies on a DT property to define the domain number or falls back to a counter according to a predefined logic; its usage replaces the current domain assignment code in PCI host controllers present in the kernel. Tested-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Yijing Wang <wangyijing@huawei.com> Reviewed-By: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> # mvebu Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Lucas Stach <l.stach@pengutronix.de> Acked-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Phil Edworthy <phil.edworthy@renesas.com> Acked-by: Arnd Bergmann <arnd@arndb.de> CC: Mohit Kumar <mohit.kumar@st.com>
Diffstat (limited to 'arch/arm/include/asm/pci.h')
-rw-r--r--arch/arm/include/asm/pci.h7
1 files changed, 0 insertions, 7 deletions
diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h
index 7e95d8535e24..585dc33a7a24 100644
--- a/arch/arm/include/asm/pci.h
+++ b/arch/arm/include/asm/pci.h
@@ -18,13 +18,6 @@ static inline int pcibios_assign_all_busses(void)
}
#ifdef CONFIG_PCI_DOMAINS
-static inline int pci_domain_nr(struct pci_bus *bus)
-{
- struct pci_sys_data *root = bus->sysdata;
-
- return root->domain;
-}
-
static inline int pci_proc_domain(struct pci_bus *bus)
{
return pci_domain_nr(bus);