diff options
Diffstat (limited to 'drivers/of/platform.c')
| -rw-r--r-- | drivers/of/platform.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/drivers/of/platform.c b/drivers/of/platform.c index e0a6514ab46..9b439ac63d8 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -21,6 +21,7 @@ #include <linux/of_device.h> #include <linux/of_irq.h> #include <linux/of_platform.h> +#include <linux/of_reserved_mem.h> #include <linux/platform_device.h> const struct of_device_id of_default_bus_match_table[] = { @@ -196,7 +197,7 @@ EXPORT_SYMBOL(of_device_alloc); * Returns pointer to created platform device, or NULL if a device was not * registered. Unavailable devices will not get registered. */ -struct platform_device *of_platform_device_create_pdata( +static struct platform_device *of_platform_device_create_pdata( struct device_node *np, const char *bus_id, void *platform_data, @@ -218,6 +219,8 @@ struct platform_device *of_platform_device_create_pdata( dev->dev.bus = &platform_bus_type; dev->dev.platform_data = platform_data; + of_reserved_mem_device_init(&dev->dev); + /* We do not fill the DMA ops for platform devices by default. * This is currently the responsibility of the platform code * to do such, possibly using a device notifier @@ -225,6 +228,7 @@ struct platform_device *of_platform_device_create_pdata( if (of_device_add(dev) != 0) { platform_device_put(dev); + of_reserved_mem_device_release(&dev->dev); return NULL; } @@ -264,8 +268,11 @@ static struct amba_device *of_amba_device_create(struct device_node *node, return NULL; dev = amba_device_alloc(NULL, 0, 0); - if (!dev) + if (!dev) { + pr_err("%s(): amba_device_alloc() failed for %s\n", + __func__, node->full_name); return NULL; + } /* setup generic device info */ dev->dev.coherent_dma_mask = ~0; @@ -290,12 +297,18 @@ static struct amba_device *of_amba_device_create(struct device_node *node, dev->irq[i] = irq_of_parse_and_map(node, i); ret = of_address_to_resource(node, 0, &dev->res); - if (ret) + if (ret) { + pr_err("%s(): of_address_to_resource() failed (%d) for %s\n", + __func__, ret, node->full_name); goto err_free; + } ret = amba_device_add(dev, &iomem_resource); - if (ret) + if (ret) { + pr_err("%s(): amba_device_add() failed (%d) for %s\n", + __func__, ret, node->full_name); goto err_free; + } return dev; @@ -374,6 +387,10 @@ static int of_platform_bus_create(struct device_node *bus, } if (of_device_is_compatible(bus, "arm,primecell")) { + /* + * Don't return an error here to keep compatibility with older + * device tree files. + */ of_amba_device_create(bus, bus_id, platform_data, parent); return 0; } |