diff options
Diffstat (limited to 'core/pci.c')
| -rw-r--r-- | core/pci.c | 16 |
1 files changed, 10 insertions, 6 deletions
@@ -1124,11 +1124,17 @@ void pci_std_swizzle_irq_map(struct dt_node *np, uint8_t swizzle) { uint32_t *map, *p; - int dev, irq; - size_t map_size; + int dev, irq, esize, edevcount; + size_t map_size, isize; + + /* Some emulated setups don't use standard interrupts + * representation + */ + if (lstate->int_size == 0) + return; /* Size in bytes of a target interrupt */ - size_t isize = lstate->int_size * sizeof(uint32_t); + isize = lstate->int_size * sizeof(uint32_t); /* Calculate the size of a map entry: * @@ -1139,7 +1145,7 @@ void pci_std_swizzle_irq_map(struct dt_node *np, * * Assumption: PIC address is 0-size */ - int esize = 3 + 1 + 1 + lstate->int_size; + esize = 3 + 1 + 1 + lstate->int_size; /* Number of map "device" entries * @@ -1150,8 +1156,6 @@ void pci_std_swizzle_irq_map(struct dt_node *np, * If we have been passed a host bridge (pd == NULL) we also * do a simple per-pin map */ - int edevcount; - if (!pd || (pd->dev_type == PCIE_TYPE_ROOT_PORT || pd->dev_type == PCIE_TYPE_SWITCH_DNPORT)) { edevcount = 1; |