[PATCH 4/5] powernv/pci: Fold pnv_pci_dma_dev_setup() into the pci-ioda.c version
From: Oliver O'Halloran <oohall@gmail.com>
Date: 2020-01-10 07:12:23
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
pnv_pci_dma_dev_setup() does nothing but call the phb->dma_dev_setup() callback, if one exists. That callback is only set for normal PCIe PHBs so we can remove the layer of indirection and use the ioda version in the pci_controller_ops. Signed-off-by: Oliver O'Halloran <oohall@gmail.com> --- arch/powerpc/platforms/powernv/pci-ioda.c | 7 ++++--- arch/powerpc/platforms/powernv/pci.c | 9 --------- arch/powerpc/platforms/powernv/pci.h | 2 -- 3 files changed, 4 insertions(+), 14 deletions(-)
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index ae177ee..e2a9440 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c@@ -1743,8 +1743,10 @@ int pnv_pcibios_sriov_enable(struct pci_dev *pdev, u16 num_vfs) } #endif /* CONFIG_PCI_IOV */ -static void pnv_pci_ioda_dma_dev_setup(struct pnv_phb *phb, struct pci_dev *pdev) +static void pnv_pci_ioda_dma_dev_setup(struct pci_dev *pdev) { + struct pci_controller *hose = pci_bus_to_host(pdev->bus); + struct pnv_phb *phb = hose->private_data; struct pci_dn *pdn = pci_get_pdn(pdev); struct pnv_ioda_pe *pe;
@@ -3627,7 +3629,7 @@ static void pnv_pci_ioda_shutdown(struct pci_controller *hose) } static const struct pci_controller_ops pnv_pci_ioda_controller_ops = { - .dma_dev_setup = pnv_pci_dma_dev_setup, + .dma_dev_setup = pnv_pci_ioda_dma_dev_setup, .dma_bus_setup = pnv_pci_dma_bus_setup, .iommu_bypass_supported = pnv_pci_ioda_iommu_bypass_supported, .setup_msi_irqs = pnv_setup_msi_irqs,
@@ -3886,7 +3888,6 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np, hose->controller_ops = pnv_npu_ocapi_ioda_controller_ops; break; default: - phb->dma_dev_setup = pnv_pci_ioda_dma_dev_setup; hose->controller_ops = pnv_pci_ioda_controller_ops; }
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index 8307e1f..31f1949 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c@@ -810,15 +810,6 @@ struct iommu_table *pnv_pci_table_alloc(int nid) return tbl; } -void pnv_pci_dma_dev_setup(struct pci_dev *pdev) -{ - struct pci_controller *hose = pci_bus_to_host(pdev->bus); - struct pnv_phb *phb = hose->private_data; - - if (phb && phb->dma_dev_setup) - phb->dma_dev_setup(phb, pdev); -} - void pnv_pci_dma_bus_setup(struct pci_bus *bus) { struct pci_controller *hose = bus->sysdata;
diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h
index f914f0b..0cdc9ba 100644
--- a/arch/powerpc/platforms/powernv/pci.h
+++ b/arch/powerpc/platforms/powernv/pci.h@@ -108,7 +108,6 @@ struct pnv_phb { int (*msi_setup)(struct pnv_phb *phb, struct pci_dev *dev, unsigned int hwirq, unsigned int virq, unsigned int is_64, struct msi_msg *msg); - void (*dma_dev_setup)(struct pnv_phb *phb, struct pci_dev *pdev); int (*init_m64)(struct pnv_phb *phb); int (*get_pe_state)(struct pnv_phb *phb, int pe_no); void (*freeze_pe)(struct pnv_phb *phb, int pe_no);
@@ -189,7 +188,6 @@ extern void pnv_npu2_map_lpar(struct pnv_ioda_pe *gpe, unsigned long msr); extern void pnv_pci_reset_secondary_bus(struct pci_dev *dev); extern int pnv_eeh_phb_reset(struct pci_controller *hose, int option); -extern void pnv_pci_dma_dev_setup(struct pci_dev *pdev); extern void pnv_pci_dma_bus_setup(struct pci_bus *bus); extern int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type); extern void pnv_teardown_msi_irqs(struct pci_dev *pdev);
--
2.9.5