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spapr_pci: Rework device-tree rendering 

This replaces object_child_foreach() and callback with existing
SPAPR_PCI_LIOBN() and spapr_tce_find_by_liobn() to make the code easier
to read.

This is a mechanical patch so no behaviour change is expected.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexey Kardashevskiy 2015-05-07 15:33:36 +10:00 committed by Alexander Graf
parent fae807a2b1
commit ccf9ff8527
1 changed files with 5 additions and 25 deletions
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30
hw/ppc/spapr_pci.c
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@ -1090,29 +1090,6 @@ PCIHostState *spapr_create_phb(sPAPREnvironment *spapr, int index)
#define b_fff(x) b_x((x), 8, 3) /* function number */ #define b_fff(x) b_x((x), 8, 3) /* function number */
#define b_rrrrrrrr(x) b_x((x), 0, 8) /* register number */ #define b_rrrrrrrr(x) b_x((x), 0, 8) /* register number */
typedef struct sPAPRTCEDT {
void *fdt;
int node_off;
} sPAPRTCEDT;
static int spapr_phb_children_dt(Object *child, void *opaque)
{
sPAPRTCEDT *p = opaque;
sPAPRTCETable *tcet;
tcet = (sPAPRTCETable *) object_dynamic_cast(child, TYPE_SPAPR_TCE_TABLE);
if (!tcet || SPAPR_PCI_DMA_WINDOW_NUM(tcet->liobn)) {
return 0;
}
spapr_dma_dt(p->fdt, p->node_off, "ibm,dma-window",
tcet->liobn, tcet->bus_offset,
tcet->nb_table << tcet->page_shift);
/* Stop after the first window */
return 1;
}
int spapr_populate_pci_dt(sPAPRPHBState *phb, int spapr_populate_pci_dt(sPAPRPHBState *phb,
uint32_t xics_phandle, uint32_t xics_phandle,
void *fdt) void *fdt)
@ -1151,6 +1128,7 @@ int spapr_populate_pci_dt(sPAPRPHBState *phb,
uint32_t interrupt_map_mask[] = { uint32_t interrupt_map_mask[] = {
cpu_to_be32(b_ddddd(-1)|b_fff(0)), 0x0, 0x0, cpu_to_be32(-1)}; cpu_to_be32(b_ddddd(-1)|b_fff(0)), 0x0, 0x0, cpu_to_be32(-1)};
uint32_t interrupt_map[PCI_SLOT_MAX * PCI_NUM_PINS][7]; uint32_t interrupt_map[PCI_SLOT_MAX * PCI_NUM_PINS][7];
sPAPRTCETable *tcet;
/* Start populating the FDT */ /* Start populating the FDT */
sprintf(nodename, "pci@%" PRIx64, phb->buid); sprintf(nodename, "pci@%" PRIx64, phb->buid);
@ -1203,8 +1181,10 @@ int spapr_populate_pci_dt(sPAPRPHBState *phb,
_FDT(fdt_setprop(fdt, bus_off, "interrupt-map", &interrupt_map, _FDT(fdt_setprop(fdt, bus_off, "interrupt-map", &interrupt_map,
sizeof(interrupt_map))); sizeof(interrupt_map)));
object_child_foreach(OBJECT(phb), spapr_phb_children_dt, tcet = spapr_tce_find_by_liobn(SPAPR_PCI_LIOBN(phb->index, 0));
&((sPAPRTCEDT){ .fdt = fdt, .node_off = bus_off })); spapr_dma_dt(fdt, bus_off, "ibm,dma-window",
tcet->liobn, tcet->bus_offset,
tcet->nb_table << tcet->page_shift);
return 0; return 0;
} }