diff options
Diffstat (limited to 'arch/powerpc/platforms')
| -rw-r--r-- | arch/powerpc/platforms/powernv/npu-dma.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/powernv/npu-dma.c b/arch/powerpc/platforms/powernv/npu-dma.c index 44f471959932..b713727663e2 100644 --- a/arch/powerpc/platforms/powernv/npu-dma.c +++ b/arch/powerpc/platforms/powernv/npu-dma.c @@ -1178,8 +1178,9 @@ int pnv_npu2_init(struct pci_controller *hose) npu->nmmu_flush = of_property_read_bool(hose->dn, "ibm,nmmu-flush"); - for (i = 0; !of_property_read_u64_index(hose->dn, "ibm,mmio-atsd", - i, &mmio_atsd); i++) + for (i = 0; i < ARRAY_SIZE(npu->mmio_atsd_regs) && + !of_property_read_u64_index(hose->dn, "ibm,mmio-atsd", + i, &mmio_atsd); i++) npu->mmio_atsd_regs[i] = ioremap(mmio_atsd, 32); pr_info("NPU%d: Found %d MMIO ATSD registers", hose->global_number, i); |
