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authorRob Herring <robh@kernel.org>2018-12-13 11:20:36 -0600
committerRob Herring <robh@kernel.org>2018-12-13 11:20:36 -0600
commitacc2038738bd6f881e7a277ba14fa7c589fd3058 (patch)
treefd56524867a9b726b3e5d2cb040ff16b2f2a67a0 /drivers/of
parentcd1cc0bef46fc8d8f9ebe82d2064d4f4bd5ecf16 (diff)
parent2c9b0b00af23cdc70d28d82e077dc1d280bcb84a (diff)
downloadlinux-acc2038738bd6f881e7a277ba14fa7c589fd3058.tar.bz2
Merge branch 'yaml-bindings-for-v4.21' into dt/next
Diffstat (limited to 'drivers/of')
-rw-r--r--drivers/of/device.c4
-rw-r--r--drivers/of/of_numa.c9
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)