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| author | Oliver O'Halloran <oohall@gmail.com> | 2019-09-03 13:16:00 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-09-05 07:22:39 +0300 |
| commit | a839bd87a250068521393ca3804f4a5274e103ff (patch) | |
| tree | fb9f8b15c80a7fddb39a353648dc091f187fc77f | |
| parent | 7fd1fe4e4811f52b854647b8ff324745135224a5 (diff) | |
| download | linux-a839bd87a250068521393ca3804f4a5274e103ff.tar.xz | |
pci-hotplug/pnv_php: Add support for IODA3 Power9 PHBs
Currently we check that an IODA2 compatible PHB is upstream of this slot.
This is mainly to avoid pnv_php creating slots for the various "virtual
PHBs" that we create for NVLink. There's no real need for this restriction
so allow it on IODA3.
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190903101605.2890-10-oohall@gmail.com
| -rw-r--r-- | arch/powerpc/platforms/powernv/pci.c | 3 | ||||
| -rw-r--r-- | drivers/pci/hotplug/pnv_php.c | 6 |
2 files changed, 8 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index 6104418c9ad5..2825d004dece 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -54,7 +54,8 @@ int pnv_pci_get_slot_id(struct device_node *np, uint64_t *id) break; } - if (!of_device_is_compatible(parent, "ibm,ioda2-phb")) { + if (!of_device_is_compatible(parent, "ibm,ioda2-phb") && + !of_device_is_compatible(parent, "ibm,ioda3-phb")) { of_node_put(parent); continue; } diff --git a/drivers/pci/hotplug/pnv_php.c b/drivers/pci/hotplug/pnv_php.c index b0e243dabf77..6fdf8b74cb0a 100644 --- a/drivers/pci/hotplug/pnv_php.c +++ b/drivers/pci/hotplug/pnv_php.c @@ -994,6 +994,9 @@ static int __init pnv_php_init(void) for_each_compatible_node(dn, NULL, "ibm,ioda2-phb") pnv_php_register(dn); + for_each_compatible_node(dn, NULL, "ibm,ioda3-phb") + pnv_php_register(dn); + return 0; } @@ -1003,6 +1006,9 @@ static void __exit pnv_php_exit(void) for_each_compatible_node(dn, NULL, "ibm,ioda2-phb") pnv_php_unregister(dn); + + for_each_compatible_node(dn, NULL, "ibm,ioda3-phb") + pnv_php_unregister(dn); } module_init(pnv_php_init); |