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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-10 08:00:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-10 08:00:17 -0700
commited458df4d2470adc02762a87a9ad665d0b1a2bd4 (patch)
tree7f5a8409b5b1514e05bf54c4c666711131f6de2f
parent82219fceeb654789a9dd7cd3c6cce12dbf659342 (diff)
downloadlinux-ed458df4d2470adc02762a87a9ad665d0b1a2bd4.tar.bz2
PnP: move pnpacpi/pnpbios_init to after PCI init
We already did that a long time ago for pnp_system_init, but pnpacpi_init and pnpbios_init remained as subsys_initcalls, and get linked into the kernel before the arch-specific routines that finalize the PCI resources (pci_subsys_init). This means that the PnP routines would either register their resources before the PCI layer could, or would be unable to check whether a PCI resource had already been registered. Both are problematic. I wanted to do this before 2.6.27, but every time we change something like this, something breaks. That said, _every_ single time we trust some firmware (like PnP tables) more than we trust the hardware itself (like PCI probing), the problems have been worse. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/pnp/Makefile5
-rw-r--r--drivers/pnp/pnpacpi/core.c2
-rw-r--r--drivers/pnp/pnpbios/core.c2
3 files changed, 6 insertions, 3 deletions
diff --git a/drivers/pnp/Makefile b/drivers/pnp/Makefile
index 26f5abc9c3f7..e83f34f1b5ba 100644
--- a/drivers/pnp/Makefile
+++ b/drivers/pnp/Makefile
@@ -2,12 +2,15 @@
# Makefile for the Linux Plug-and-Play Support.
#
-obj-y := core.o card.o driver.o resource.o manager.o support.o interface.o quirks.o system.o
+obj-y := core.o card.o driver.o resource.o manager.o support.o interface.o quirks.o
obj-$(CONFIG_PNPACPI) += pnpacpi/
obj-$(CONFIG_PNPBIOS) += pnpbios/
obj-$(CONFIG_ISAPNP) += isapnp/
+# pnp_system_init goes after pnpacpi/pnpbios init
+obj-y += system.o
+
ifeq ($(CONFIG_PNP_DEBUG),y)
EXTRA_CFLAGS += -DDEBUG
endif
diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index c1b9ea34977b..53561d72b4ee 100644
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -268,7 +268,7 @@ static int __init pnpacpi_init(void)
return 0;
}
-subsys_initcall(pnpacpi_init);
+fs_initcall(pnpacpi_init);
static int __init pnpacpi_setup(char *str)
{
diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c
index 19a4be1a9a31..662dfcddedc6 100644
--- a/drivers/pnp/pnpbios/core.c
+++ b/drivers/pnp/pnpbios/core.c
@@ -571,7 +571,7 @@ static int __init pnpbios_init(void)
return 0;
}
-subsys_initcall(pnpbios_init);
+fs_initcall(pnpbios_init);
static int __init pnpbios_thread_init(void)
{