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PCI: drivers/pci/slot.c should depend on CONFIG_SYSFS

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There is no way to interact with a physical PCI slot without
sysfs, so encode the dependency and prevent this build error:

	drivers/pci/slot.c: In function 'pci_hp_create_module_link':
	drivers/pci/slot.c:327: error: 'module_kset' undeclared

This patch _should_ make pci-sysfs.o depend on CONFIG_SYSFS too,
but we cannot (yet) because the PCI core merrily assumes the
existence of sysfs:

	drivers/built-in.o: In function `pci_bus_add_device':
	drivers/pci/bus.c:89: undefined reference to `pci_create_sysfs_dev_files'
	drivers/built-in.o: In function `pci_stop_dev':
	drivers/pci/remove.c:24: undefined reference to `pci_remove_sysfs_dev_files'

So do the minimal bit for now and figure out how to untangle it
later.

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fix-suggested-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Alex Chiang 2009-06-17 19:03:57 -06:00 committed by Jesse Barnes
parent 110828c9cd
commit 268a03a42d
3 changed files with 4 additions and 2 deletions
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1
drivers/acpi/Kconfig
View file

@ -266,6 +266,7 @@ config ACPI_DEBUG_FUNC_TRACE
config ACPI_PCI_SLOT
tristate "PCI slot detection driver"
depends on SYSFS
default n
help
This driver creates entries in /sys/bus/pci/slots/ for all PCI

3
drivers/pci/Makefile
View file

@ -2,10 +2,11 @@
# Makefile for the PCI bus specific drivers.
#
obj-y += access.o bus.o probe.o remove.o pci.o quirks.o slot.o \
obj-y += access.o bus.o probe.o remove.o pci.o quirks.o \
pci-driver.o search.o pci-sysfs.o rom.o setup-res.o \
irq.o
obj-$(CONFIG_PROC_FS) += proc.o
obj-$(CONFIG_SYSFS) += slot.o
# Build PCI Express stuff if needed
obj-$(CONFIG_PCIEPORTBUS) += pcie/

2
drivers/pci/hotplug/Kconfig
View file

@ -4,7 +4,7 @@
menuconfig HOTPLUG_PCI
tristate "Support for PCI Hotplug"
depends on PCI && HOTPLUG
depends on PCI && HOTPLUG && SYSFS
---help---
Say Y here if you have a motherboard with a PCI Hotplug controller.
This allows you to add and remove PCI cards while the machine is