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| author | Cédric Le Goater <clg@kaod.org> | 2021-07-01 15:27:19 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-08-10 15:14:56 +0200 |
| commit | 786e5b102a0007d81579822eac23cb5bfaa0b65f (patch) | |
| tree | 259886493f04a8b8fae95c6cf6626d39027ea07a /arch/powerpc/platforms/pseries/msi.c | |
| parent | KVM: PPC: Use arch_get_random_seed_long instead of powernv variant (diff) | |
| download | linux-786e5b102a0007d81579822eac23cb5bfaa0b65f.tar.xz linux-786e5b102a0007d81579822eac23cb5bfaa0b65f.zip | |
powerpc/pseries/pci: Introduce __find_pe_total_msi()
It will help to size the PCI MSI domain.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210701132750.1475580-2-clg@kaod.org
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/platforms/pseries/msi.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c index 637300330507..d2d090e04745 100644 --- a/arch/powerpc/platforms/pseries/msi.c +++ b/arch/powerpc/platforms/pseries/msi.c @@ -164,12 +164,12 @@ static int check_req_msix(struct pci_dev *pdev, int nvec) /* Quota calculation */ -static struct device_node *find_pe_total_msi(struct pci_dev *dev, int *total) +static struct device_node *__find_pe_total_msi(struct device_node *node, int *total) { struct device_node *dn; const __be32 *p; - dn = of_node_get(pci_device_to_OF_node(dev)); + dn = of_node_get(node); while (dn) { p = of_get_property(dn, "ibm,pe-total-#msi", NULL); if (p) { @@ -185,6 +185,11 @@ static struct device_node *find_pe_total_msi(struct pci_dev *dev, int *total) return NULL; } +static struct device_node *find_pe_total_msi(struct pci_dev *dev, int *total) +{ + return __find_pe_total_msi(pci_device_to_OF_node(dev), total); +} + static struct device_node *find_pe_dn(struct pci_dev *dev, int *total) { struct device_node *dn; |