* Alex Chiang <achiang@xxxxxx>: > diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile > index ba6af16..0be4efd 100644 > --- a/drivers/pci/Makefile > +++ b/drivers/pci/Makefile > @@ -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 \ > - pci-driver.o search.o pci-sysfs.o rom.o setup-res.o \ > +obj-y += access.o bus.o probe.o remove.o pci.o quirks.o \ > + pci-driver.o search.o rom.o setup-res.o \ > irq.o > obj-$(CONFIG_PROC_FS) += proc.o > +obj-$(CONFIG_SYSFS) += slot.o pci-sysfs.o Sigh, this won't work because the PCI core blithely assumes we have sysfs: drivers/built-in.o: In function `pci_bus_add_device': /kio/work/achiang/kernels/linux-2.6/drivers/pci/bus.c:89: undefined reference to `pci_create_sysfs_dev_files' drivers/built-in.o: In function `pci_stop_dev': /kio/work/achiang/kernels/linux-2.6/drivers/pci/remove.c:24: undefined reference to `pci_remove_sysfs_dev_files' So, here is v3 that actually does build with !CONFIG_SYSFS. It touches a bit more now, but I believe it is still appropriate because neither pci_slot.ko nor any of the drivers in drivers/pci/hotplug/ are useful without sysfs. From: Alex Chiang <achiang@xxxxxx> PCI: drivers/pci/slot.c should depend on CONFIG_SYSFS 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. Cc: Len Brown <lenb@xxxxxxxxxx> Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> Fix-suggested-by: Matthew Wilcox <matthew@xxxxxx> Signed-off-by: Alex Chiang <achiang@xxxxxx> --- diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 431f8b4..7ec7d88 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -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 diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile index ba6af16..ed32f67 100644 --- a/drivers/pci/Makefile +++ b/drivers/pci/Makefile @@ -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/ diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig index 9aa4fe1..522c360 100644 --- a/drivers/pci/hotplug/Kconfig +++ b/drivers/pci/hotplug/Kconfig @@ -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 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
