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authorOliver O'Halloran <oohall@gmail.com>2020-01-10 18:02:07 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2020-01-23 21:31:22 +1100
commit946743d035bd2cfff059ae79012ab22148caeac2 (patch)
tree3a6626899bfb99982ccecaea2a9cc22d476fb0dc /arch/powerpc/platforms/powernv/pci-ioda.c
parent0a25d9c40161269067c47f6c09a12d76cfe72581 (diff)
downloadlinux-946743d035bd2cfff059ae79012ab22148caeac2.tar.bz2
powernv/pci: Move pnv_pci_dma_bus_setup() to pci-ioda.c
This is only used in pci-ioda.c so move it there and rename it to match. Signed-off-by: Oliver O'Halloran <oohall@gmail.com> Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200110070207.439-6-oohall@gmail.com
Diffstat (limited to 'arch/powerpc/platforms/powernv/pci-ioda.c')
-rw-r--r--arch/powerpc/platforms/powernv/pci-ioda.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 6755d01eae8e..22c22cd7bd82 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -3691,9 +3691,29 @@ static void pnv_pci_ioda_shutdown(struct pci_controller *hose)
OPAL_ASSERT_RESET);
}
+static void pnv_pci_ioda_dma_bus_setup(struct pci_bus *bus)
+{
+ struct pci_controller *hose = bus->sysdata;
+ struct pnv_phb *phb = hose->private_data;
+ struct pnv_ioda_pe *pe;
+
+ list_for_each_entry(pe, &phb->ioda.pe_list, list) {
+ if (!(pe->flags & (PNV_IODA_PE_BUS | PNV_IODA_PE_BUS_ALL)))
+ continue;
+
+ if (!pe->pbus)
+ continue;
+
+ if (bus->number == ((pe->rid >> 8) & 0xFF)) {
+ pe->pbus = bus;
+ break;
+ }
+ }
+}
+
static const struct pci_controller_ops pnv_pci_ioda_controller_ops = {
.dma_dev_setup = pnv_pci_ioda_dma_dev_setup,
- .dma_bus_setup = pnv_pci_dma_bus_setup,
+ .dma_bus_setup = pnv_pci_ioda_dma_bus_setup,
.iommu_bypass_supported = pnv_pci_ioda_iommu_bypass_supported,
.setup_msi_irqs = pnv_setup_msi_irqs,
.teardown_msi_irqs = pnv_teardown_msi_irqs,