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path: root/drivers/gpu/drm/sysfb/simpledrm.c
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Diffstat (limited to 'drivers/gpu/drm/sysfb/simpledrm.c')
-rw-r--r--drivers/gpu/drm/sysfb/simpledrm.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/gpu/drm/sysfb/simpledrm.c b/drivers/gpu/drm/sysfb/simpledrm.c
index 8530a3ef8a7a..0358164a623c 100644
--- a/drivers/gpu/drm/sysfb/simpledrm.c
+++ b/drivers/gpu/drm/sysfb/simpledrm.c
@@ -4,7 +4,7 @@
#include <linux/clk.h>
#include <linux/of_clk.h>
#include <linux/minmax.h>
-#include <linux/of_address.h>
+#include <linux/of_reserved_mem.h>
#include <linux/platform_data/simplefb.h>
#include <linux/platform_device.h>
#include <linux/pm_domain.h>
@@ -179,22 +179,17 @@ simplefb_get_format_of(struct drm_device *dev, struct device_node *of_node)
static struct resource *
simplefb_get_memory_of(struct drm_device *dev, struct device_node *of_node)
{
- struct device_node *np;
- struct resource *res;
+ struct resource r, *res;
int err;
- np = of_parse_phandle(of_node, "memory-region", 0);
- if (!np)
+ err = of_reserved_mem_region_to_resource(of_node, 0, &r);
+ if (err)
return NULL;
- res = devm_kzalloc(dev->dev, sizeof(*res), GFP_KERNEL);
+ res = devm_kmemdup(dev->dev, &r, sizeof(r), GFP_KERNEL);
if (!res)
return ERR_PTR(-ENOMEM);
- err = of_address_to_resource(np, 0, res);
- if (err)
- return ERR_PTR(err);
-
if (of_property_present(of_node, "reg"))
drm_warn(dev, "preferring \"memory-region\" over \"reg\" property\n");