diff options
| author | Rob Herring <robh@kernel.org> | 2018-12-13 11:20:36 -0600 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2018-12-13 11:20:36 -0600 |
| commit | acc2038738bd6f881e7a277ba14fa7c589fd3058 (patch) | |
| tree | fd56524867a9b726b3e5d2cb040ff16b2f2a67a0 /drivers/of | |
| parent | cd1cc0bef46fc8d8f9ebe82d2064d4f4bd5ecf16 (diff) | |
| parent | 2c9b0b00af23cdc70d28d82e077dc1d280bcb84a (diff) | |
| download | linux-acc2038738bd6f881e7a277ba14fa7c589fd3058.tar.bz2 | |
Merge branch 'yaml-bindings-for-v4.21' into dt/next
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/device.c | 4 | ||||
| -rw-r--r-- | drivers/of/of_numa.c | 9 |
2 files changed, 10 insertions, 3 deletions
diff --git a/drivers/of/device.c b/drivers/of/device.c index 8299f8055da7..3717f2a20d0d 100644 --- a/drivers/of/device.c +++ b/drivers/of/device.c @@ -149,9 +149,11 @@ int of_dma_configure(struct device *dev, struct device_node *np, bool force_dma) * set by the driver. */ mask = DMA_BIT_MASK(ilog2(dma_addr + size - 1) + 1); - dev->bus_dma_mask = mask; dev->coherent_dma_mask &= mask; *dev->dma_mask &= mask; + /* ...but only set bus mask if we found valid dma-ranges earlier */ + if (!ret) + dev->bus_dma_mask = mask; coherent = of_dma_is_coherent(np); dev_dbg(dev, "device is%sdma coherent\n", diff --git a/drivers/of/of_numa.c b/drivers/of/of_numa.c index 35c64a4295e0..fe6b13608e51 100644 --- a/drivers/of/of_numa.c +++ b/drivers/of/of_numa.c @@ -104,9 +104,14 @@ static int __init of_numa_parse_distance_map_v1(struct device_node *map) distance = of_read_number(matrix, 1); matrix++; + if ((nodea == nodeb && distance != LOCAL_DISTANCE) || + (nodea != nodeb && distance <= LOCAL_DISTANCE)) { + pr_err("Invalid distance[node%d -> node%d] = %d\n", + nodea, nodeb, distance); + return -EINVAL; + } + numa_set_distance(nodea, nodeb, distance); - pr_debug("distance[node%d -> node%d] = %d\n", - nodea, nodeb, distance); /* Set default distance of node B->A same as A->B */ if (nodeb > nodea) |