diff options
Diffstat (limited to 'drivers/of/device.c')
| -rw-r--r-- | drivers/of/device.c | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/drivers/of/device.c b/drivers/of/device.c index 5957cd4fa262..5592437bb3d1 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", @@ -170,18 +172,6 @@ int of_dma_configure(struct device *dev, struct device_node *np, bool force_dma) } EXPORT_SYMBOL_GPL(of_dma_configure); -/** - * of_dma_deconfigure - Clean up DMA configuration - * @dev: Device for which to clean up DMA configuration - * - * Clean up all configuration performed by of_dma_configure_ops() and free all - * resources that have been allocated. - */ -void of_dma_deconfigure(struct device *dev) -{ - arch_teardown_dma_ops(dev); -} - int of_device_register(struct platform_device *pdev) { device_initialize(&pdev->dev); @@ -219,7 +209,8 @@ static ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len return -ENODEV; /* Name & Type */ - csize = snprintf(str, len, "of:N%sT%s", dev->of_node->name, + /* %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); tsize = csize; len -= csize; @@ -298,7 +289,7 @@ void of_device_uevent(struct device *dev, struct kobj_uevent_env *env) if ((!dev) || (!dev->of_node)) return; - add_uevent_var(env, "OF_NAME=%s", dev->of_node->name); + 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); |
