diff options
Diffstat (limited to 'drivers/of/device.c')
-rw-r--r-- | drivers/of/device.c | 13 |
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 |