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PCI: Regroup all PCI related entries into drivers/pci/Makefile

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Clean up drivers/Makefile by moving the pci/endpoint and pci/dwc entries
from drivers/Makefile into drivers/pci/Makefile.

Since we don't want to introduce any dependency between CONFIG_PCI and
CONFIG_PCI_ENDPOINT, we now always execute drivers/pci/Makefile.

Hence all Makefiles in drivers/pci/ were updated accordingly so no file is
compiled when CONFIG_PCI is not defined.

Also, we add a comment to reinforce that EPC and EPF libraries must be
initialized before their users. Hence built-in EPC drivers, such as
those of Designware, are linked after the endpoint core libraries.

Finally, we add another comment to explain why obj-y has been chosen
instead of obj-$(CONFIG_PCIE_DW) to parse the dwc/ sub-folder.

Signed-off-by: Cyrille Pitchen <[email protected]>
Signed-off-by: Lorenzo Pieralisi <[email protected]>
This commit is contained in:
Cyrille Pitchen 2018-01-30 21:56:49 +01:00 • committed by Lorenzo Pieralisi
commit 9de0eec29c
5 changed files with 16 additions and 7 deletions
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1
drivers/pci/Kconfig
View file

@ -125,6 +125,7 @@ config PCI_PASID
config PCI_LABEL
def_bool y if (DMI || ACPI)
depends on PCI
select NLS
config PCI_HYPERV

13
drivers/pci/Makefile
View file

@ -3,12 +3,15 @@
# Makefile for the PCI bus specific drivers.
#
obj-y += access.o bus.o probe.o host-bridge.o remove.o pci.o \
obj-$(CONFIG_PCI) += access.o bus.o probe.o host-bridge.o remove.o pci.o \
pci-driver.o search.o pci-sysfs.o rom.o setup-res.o \
irq.o vpd.o setup-bus.o vc.o mmap.o setup-irq.o
ifdef CONFIG_PCI
obj-$(CONFIG_PROC_FS) += proc.o
obj-$(CONFIG_SYSFS) += slot.o
obj-$(CONFIG_OF) += of.o
endif
obj-$(CONFIG_PCI_QUIRKS) += quirks.o
@ -44,10 +47,14 @@ obj-$(CONFIG_PCI_ECAM) += ecam.o
obj-$(CONFIG_XEN_PCIDEV_FRONTEND) += xen-pcifront.o
obj-$(CONFIG_OF) += of.o
ccflags-$(CONFIG_PCI_DEBUG) := -DDEBUG
# PCI host controller drivers
obj-y += host/
obj-y += switch/
obj-$(CONFIG_PCI_ENDPOINT) += endpoint/
# Endpoint library must be initialized before its users
# pcie-hisi.o quirks are needed even without CONFIG_PCIE_DW
obj-y += dwc/

2
drivers/pci/dwc/Makefile
View file

@ -27,4 +27,6 @@ obj-$(CONFIG_PCIE_HISI_STB) += pcie-histb.o
# ARM64 and use internal ifdefs to only build the pieces we need
# depending on whether ACPI, the DT driver, or both are enabled.
ifdef CONFIG_PCI
obj-$(CONFIG_ARM64) += pcie-hisi.o
endif

2
drivers/pci/host/Makefile
View file

@ -34,6 +34,8 @@ obj-$(CONFIG_VMD) += vmd.o
# ARM64 and use internal ifdefs to only build the pieces we need
# depending on whether ACPI, the DT driver, or both are enabled.
ifdef CONFIG_PCI
obj-$(CONFIG_ARM64) += pci-thunder-ecam.o
obj-$(CONFIG_ARM64) += pci-thunder-pem.o
obj-$(CONFIG_ARM64) += pci-xgene.o
endif