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| author |   Gavin Shan <gwshan@linux.vnet.ibm.com> | 2016-05-20 16:41:40 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2016-06-21 15:30:58 +1000 |
| commit | 7e19bf32c8ac977e7702a67d7392a3e0a9644bc8 (patch) | |
| tree | 13f003cef438104190d28896c8eee2a0619578fe /arch/powerpc/include | |
| parent | powerpc/powernv: Use PCI slot reset infrastructure (diff) | |
| download | linux-dev-7e19bf32c8ac977e7702a67d7392a3e0a9644bc8.tar.xz linux-dev-7e19bf32c8ac977e7702a67d7392a3e0a9644bc8.zip | |
powerpc/powernv: Introduce pnv_pci_get_slot_id()
This introduces pnv_pci_get_slot_id() to get the hotpluggable PCI
slot ID from the corresponding device node. It will be used by
hotplug driver.
Requested-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/pnv-pci.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pnv-pci.h b/arch/powerpc/include/asm/pnv-pci.h index c607902c5477..810cc9a8169f 100644 --- a/arch/powerpc/include/asm/pnv-pci.h +++ b/arch/powerpc/include/asm/pnv-pci.h @@ -17,6 +17,8 @@ #define PCI_SLOT_ID(phb_id, bdfn) \ (PCI_SLOT_ID_PREFIX | ((uint64_t)(bdfn) << 16) | (phb_id)) +extern int pnv_pci_get_slot_id(struct device_node *np, uint64_t *id); + int pnv_phb_to_cxl_mode(struct pci_dev *dev, uint64_t mode); int pnv_cxl_ioda_msi_setup(struct pci_dev *dev, unsigned int hwirq, unsigned int virq); |