[PATCH v7 05/50] powerpc/powernv: Drop pnv_ioda_setup_dev_PE()

Gavin Shan
2015-11-04T13:13:51Z

Nobody uses this function and this just drops it.

Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
---
arch/powerpc/platforms/powernv/pci-ioda.c | 71 -------------------------------
1 file changed, 71 deletions(-)

diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index aa3645c..74288ab 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -918,77 +918,6 @@ static int pnv_pci_vf_resource_shift(struct pci_dev *dev, int offset)
}
#endif /* CONFIG_PCI_IOV */

-#if 0
-static struct pnv_ioda_pe *pnv_ioda_setup_dev_PE(struct pci_dev *dev)
-{
- struct pci_controller *hose = pci_bus_to_host(dev->bus);
- struct pnv_phb *phb = hose->private_data;
- struct pci_dn *pdn = pci_get_pdn(dev);
- struct pnv_ioda_pe *pe;
- int pe_num;
-
- if (!pdn) {
- pr_err("%s: Device tree node not associated properly\n",
- pci_name(dev));
- return NULL;
- }
- if (pdn->pe_number != IODA_INVALID_PE)
- return NULL;
-
- /* PE#0 has been pre-set */
- if (dev->bus->number == 0)
- pe_num = 0;
- else
- pe_num = pnv_ioda_alloc_pe(phb);
- if (pe_num == IODA_INVALID_PE) {
- pr_warning("%s: Not enough PE# available, disabling device\n",
- pci_name(dev));
- return NULL;
- }
-
- /* NOTE: We get only one ref to the pci_dev for the pdn, not for the
- * pointer in the PE data structure, both should be destroyed at the
- * same time. However, this needs to be looked at more closely again
- * once we actually start removing things (Hotplug, SR-IOV, ...)
- *
- * At some point we want to remove the PDN completely anyways
- */
- pe = &phb->ioda.pe_array[pe_num];
- pci_dev_get(dev);
- pdn->pcidev = dev;
- pdn->pe_number = pe_num;
- pe->pdev = dev;
- pe->pbus = NULL;
- pe->tce32_seg = -1;
- pe->mve_number = -1;
- pe->rid = dev->bus->number << 8 | pdn->devfn;
-
- pe_info(pe, "Associated device to PE\n");
-
- if (pnv_ioda_configure_pe(phb, pe)) {
- /* XXX What do we do here ? */
- if (pe_num)
- pnv_ioda_free_pe(phb, pe_num);
- pdn->pe_number = IODA_INVALID_PE;
- pe->pdev = NULL;
- pci_dev_put(dev);
- return NULL;
- }
-
- /* Assign a DMA weight to the device */
- pe->dma_weight = pnv_ioda_dma_weight(dev);
- if (pe->dma_weight != 0) {
- phb->ioda.dma_weight += pe->dma_weight;
- phb->ioda.dma_pe_count++;
- }
-
- /* Link the PE */
- pnv_ioda_link_pe_by_weight(phb, pe);
-
- return pe;
-}
-#endif /* Useful for SRIOV case */
-
static void pnv_ioda_setup_same_PE(struct pci_bus *bus, struct pnv_ioda_pe *pe)
{
struct pci_dev *dev;
--
2.1.0