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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2019-03-28 16:27:49 +0100
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2019-03-28 16:27:49 +0100
commitd899927728beca8357a5b4120b690cb3c1d80844 (patch)
treeccb170439cc8638d71f6120ae08a6faded46db98 /kernel/memremap.c
parent8d60367808c45e33c0a9127621f4e5fc34914f6b (diff)
parent0a8ab17689e628c84a666195bfc6ab85d11cf057 (diff)
Diffstat (limited to 'kernel/memremap.c')
-rw-r--r--kernel/memremap.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/kernel/memremap.c b/kernel/memremap.c
index f61a8c387c3e..9a8b594fbbb6 100644
--- a/kernel/memremap.c
+++ b/kernel/memremap.c
@@ -305,15 +305,12 @@ void *devm_memremap_pages(struct device *dev, struct resource *res,
is_ram = region_intersects(align_start, align_size,
IORESOURCE_SYSTEM_RAM, IORES_DESC_NONE);
- if (is_ram == REGION_MIXED) {
- WARN_ONCE(1, "%s attempted on mixed region %pr\n",
- __func__, res);
+ if (is_ram != REGION_DISJOINT) {
+ WARN_ONCE(1, "%s attempted on %s region %pr\n", __func__,
+ is_ram == REGION_MIXED ? "mixed" : "ram", res);
return ERR_PTR(-ENXIO);
}
- if (is_ram == REGION_INTERSECTS)
- return __va(res->start);
-
if (!ref)
return ERR_PTR(-EINVAL);
@@ -399,7 +396,7 @@ void *devm_memremap_pages(struct device *dev, struct resource *res,
devres_free(page_map);
return ERR_PTR(error);
}
-EXPORT_SYMBOL(devm_memremap_pages);
+EXPORT_SYMBOL_GPL(devm_memremap_pages);
unsigned long vmem_altmap_offset(struct vmem_altmap *altmap)
{