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| author | Ingo Molnar <mingo@elte.hu> | 2009-09-07 08:19:51 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-07 08:19:51 +0200 |
| commit | a1922ed661ab2c1637d0b10cde933bd9cd33d965 (patch) | |
| tree | 0f1777542b385ebefd30b3586d830fd8ed6fda5b /drivers/pci/access.c | |
| parent | tracing/ksym_tracer: support quick clear for ksym_trace_filter -- v2 (diff) | |
| parent | Merge branch 'tracing/core' of git://git.kernel.org/pub/scm/linux/kernel/git/... (diff) | |
| download | linux-a1922ed661ab2c1637d0b10cde933bd9cd33d965.tar.xz linux-a1922ed661ab2c1637d0b10cde933bd9cd33d965.zip | |
Merge branch 'tracing/core' into tracing/hw-breakpoints
Conflicts:
arch/Kconfig
kernel/trace/trace.h
Merge reason: resolve the conflicts, plus adopt to the new
ring-buffer APIs.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/pci/access.c')
| -rw-r--r-- | drivers/pci/access.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/pci/access.c b/drivers/pci/access.c index 0f3706512686..db23200c4874 100644 --- a/drivers/pci/access.c +++ b/drivers/pci/access.c @@ -66,6 +66,25 @@ EXPORT_SYMBOL(pci_bus_write_config_byte); EXPORT_SYMBOL(pci_bus_write_config_word); EXPORT_SYMBOL(pci_bus_write_config_dword); +/** + * pci_bus_set_ops - Set raw operations of pci bus + * @bus: pci bus struct + * @ops: new raw operations + * + * Return previous raw operations + */ +struct pci_ops *pci_bus_set_ops(struct pci_bus *bus, struct pci_ops *ops) +{ + struct pci_ops *old_ops; + unsigned long flags; + + spin_lock_irqsave(&pci_lock, flags); + old_ops = bus->ops; + bus->ops = ops; + spin_unlock_irqrestore(&pci_lock, flags); + return old_ops; +} +EXPORT_SYMBOL(pci_bus_set_ops); /** * pci_read_vpd - Read one entry from Vital Product Data |