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Diffstat (limited to 'drivers/of/device.c')
-rw-r--r--drivers/of/device.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/of/device.c b/drivers/of/device.c
index 0f27fad9fe94..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",
@@ -209,7 +211,7 @@ static ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len
/* Name & Type */
/* %p eats all alphanum characters, so %c must be used here */
csize = snprintf(str, len, "of:N%pOFn%c%s", dev->of_node, 'T',
- dev->of_node->type);
+ of_node_get_device_type(dev->of_node));
tsize = csize;
len -= csize;
if (str)
@@ -279,7 +281,7 @@ EXPORT_SYMBOL_GPL(of_device_modalias);
*/
void of_device_uevent(struct device *dev, struct kobj_uevent_env *env)
{
- const char *compat;
+ const char *compat, *type;
struct alias_prop *app;
struct property *p;
int seen = 0;
@@ -289,8 +291,9 @@ void of_device_uevent(struct device *dev, struct kobj_uevent_env *env)
add_uevent_var(env, "OF_NAME=%pOFn", dev->of_node);
add_uevent_var(env, "OF_FULLNAME=%pOF", dev->of_node);
- if (dev->of_node->type && strcmp("<NULL>", dev->of_node->type) != 0)
- add_uevent_var(env, "OF_TYPE=%s", dev->of_node->type);
+ type = of_node_get_device_type(dev->of_node);
+ if (type)
+ add_uevent_var(env, "OF_TYPE=%s", type);
/* Since the compatible field can contain pretty much anything
* it's not really legal to split it out with commas. We split it
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