From e634b89c6ed2309814de7a89bd7c5ced96f59291 Mon Sep 17 00:00:00 2001 From: Nikunj A Dadhania Date: Thu, 2 Jul 2015 16:23:23 +1000 Subject: spapr_pci: drop redundant args in spapr_[populate, create]_pci_child_dt * phb_index is not being used and if required can be obtained from sphb * use helper to get drc_index in spapr_populate_pci_child_dt() * Check if drc_index is zero Suggested-by: Alexey Kardashevskiy Signed-off-by: Nikunj A Dadhania Signed-off-by: David Gibson Signed-off-by: Alexander Graf --- hw/ppc/spapr_pci.c | 27 +++++++++++---------------- 1 file changed, 11 insertions(+), 16 deletions(-) (limited to 'hw/ppc') diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index 75859836bc..a139aea898 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -937,14 +937,17 @@ static void populate_resource_props(PCIDevice *d, ResourceProps *rp) rp->assigned_len = assigned_idx * sizeof(ResourceFields); } +static uint32_t spapr_phb_get_pci_drc_index(sPAPRPHBState *phb, + PCIDevice *pdev); + static int spapr_populate_pci_child_dt(PCIDevice *dev, void *fdt, int offset, - int phb_index, int drc_index, sPAPRPHBState *sphb) { ResourceProps rp; bool is_bridge = false; int pci_status, err; char *buf = NULL; + uint32_t drc_index = spapr_phb_get_pci_drc_index(sphb, dev); if (pci_default_read_config(dev, PCI_HEADER_TYPE, 1) == PCI_HEADER_TYPE_BRIDGE) { @@ -1017,7 +1020,9 @@ static int spapr_populate_pci_child_dt(PCIDevice *dev, void *fdt, int offset, return err; } - _FDT(fdt_setprop_cell(fdt, offset, "ibm,my-drc-index", drc_index)); + if (drc_index) { + _FDT(fdt_setprop_cell(fdt, offset, "ibm,my-drc-index", drc_index)); + } _FDT(fdt_setprop_cell(fdt, offset, "#address-cells", RESOURCE_CELLS_ADDRESS)); @@ -1034,12 +1039,8 @@ static int spapr_populate_pci_child_dt(PCIDevice *dev, void *fdt, int offset, return 0; } -static uint32_t spapr_phb_get_pci_drc_index(sPAPRPHBState *phb, - PCIDevice *pdev); - /* create OF node for pci device and required OF DT properties */ static int spapr_create_pci_child_dt(sPAPRPHBState *phb, PCIDevice *dev, - int drc_index, const char *drc_name, void *fdt, int node_offset) { int offset, ret; @@ -1053,8 +1054,8 @@ static int spapr_create_pci_child_dt(sPAPRPHBState *phb, PCIDevice *dev, snprintf(nodename, FDT_NAME_MAX, "pci@%x", slot); } offset = fdt_add_subnode(fdt, node_offset, nodename); - ret = spapr_populate_pci_child_dt(dev, fdt, offset, phb->index, drc_index, - phb); + ret = spapr_populate_pci_child_dt(dev, fdt, offset, phb); + g_assert(!ret); if (ret) { return 0; @@ -1069,15 +1070,12 @@ static void spapr_phb_add_pci_device(sPAPRDRConnector *drc, { sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); DeviceState *dev = DEVICE(pdev); - int drc_index = drck->get_index(drc); void *fdt = NULL; int fdt_start_offset = 0, fdt_size; if (dev->hotplugged) { fdt = create_device_tree(&fdt_size); - fdt_start_offset = spapr_create_pci_child_dt(phb, pdev, - drc_index, NULL, - fdt, 0); + fdt_start_offset = spapr_create_pci_child_dt(phb, pdev, fdt, 0); if (!fdt_start_offset) { error_setg(errp, "Failed to create pci child device tree node"); goto out; @@ -1579,11 +1577,8 @@ static void spapr_populate_pci_devices_dt(PCIBus *bus, PCIDevice *pdev, sPAPRFDT *p = opaque; int offset; sPAPRFDT s_fdt; - uint32_t drc_index = spapr_phb_get_pci_drc_index(p->sphb, pdev); - offset = spapr_create_pci_child_dt(p->sphb, pdev, - drc_index, NULL, - p->fdt, p->node_off); + offset = spapr_create_pci_child_dt(p->sphb, pdev, p->fdt, p->node_off); if (!offset) { error_report("Failed to create pci child device tree node"); return; -- cgit v1.2.3