diff options
| author | Gavin Shan <shangw@linux.vnet.ibm.com> | 2013-06-20 09:20:53 +0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-06-20 11:05:38 +0400 |
| commit | 9ff67433cef319a02cb64dbe3f710a8566ebfcee (patch) | |
| tree | 3bd8517d412cf0b70ac774ea2368d3d32a3cd64b /arch | |
| parent | 317f06de78152e0eb0aab5881d69e4c5cdf9f1fe (diff) | |
| download | linux-9ff67433cef319a02cb64dbe3f710a8566ebfcee.tar.xz | |
powerpc/eeh: Make eeh_phb_pe_get() public
One of the possible cases indicated by P7IOC interrupt is fenced
PHB. For that case, we need fetch the PE corresponding to the PHB
and disable the PHB and all subordinate PCI buses/devices, recover
from the fenced state and eventually enable the whole PHB. We need
one function to fetch the PHB PE outside eeh_pe.c and the patch is
going to make eeh_phb_pe_get() public for that purpose.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/include/asm/eeh.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/eeh_pe.c | 2 |
2 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h index e32c3c53eb8b..4ac6f70025b4 100644 --- a/arch/powerpc/include/asm/eeh.h +++ b/arch/powerpc/include/asm/eeh.h @@ -184,6 +184,7 @@ static inline void eeh_unlock(void) typedef void *(*eeh_traverse_func)(void *data, void *flag); int eeh_phb_pe_create(struct pci_controller *phb); +struct eeh_pe *eeh_phb_pe_get(struct pci_controller *phb); int eeh_add_to_parent_pe(struct eeh_dev *edev); int eeh_rmv_from_parent_pe(struct eeh_dev *edev, int purge_pe); void *eeh_pe_dev_traverse(struct eeh_pe *root, diff --git a/arch/powerpc/kernel/eeh_pe.c b/arch/powerpc/kernel/eeh_pe.c index 9d4a9e8562b2..71c4544453cf 100644 --- a/arch/powerpc/kernel/eeh_pe.c +++ b/arch/powerpc/kernel/eeh_pe.c @@ -95,7 +95,7 @@ int eeh_phb_pe_create(struct pci_controller *phb) * hierarchy tree is composed of PHB PEs. The function is used * to retrieve the corresponding PHB PE according to the given PHB. */ -static struct eeh_pe *eeh_phb_pe_get(struct pci_controller *phb) +struct eeh_pe *eeh_phb_pe_get(struct pci_controller *phb) { struct eeh_pe *pe; |