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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-25 12:13:59 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-25 12:13:59 +0200
commit2d03423b2319cc854adeb28a03f65de5b5e0ab63 (patch)
tree20d9ddb661f3247f5dfaa6da8212123ed14a24c4 /drivers/base/platform.c
parent59e52534172d845ebffb0d7e85fc56fb7b857051 (diff)
parent2bbcb8788311a40714b585fc11b51da6ffa2ab92 (diff)
downloadlinux-2d03423b2319cc854adeb28a03f65de5b5e0ab63.tar.bz2
Merge branch 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
* 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (38 commits) mm: memory hotplug: Check if pages are correctly reserved on a per-section basis Revert "memory hotplug: Correct page reservation checking" Update email address for stable patch submission dynamic_debug: fix undefined reference to `__netdev_printk' dynamic_debug: use a single printk() to emit messages dynamic_debug: remove num_enabled accounting dynamic_debug: consolidate repetitive struct _ddebug descriptor definitions uio: Support physical addresses >32 bits on 32-bit systems sysfs: add unsigned long cast to prevent compile warning drivers: base: print rejected matches with DEBUG_DRIVER memory hotplug: Correct page reservation checking memory hotplug: Refuse to add unaligned memory regions remove the messy code file Documentation/zh_CN/SubmitChecklist ARM: mxc: convert device creation to use platform_device_register_full new helper to create platform devices with dma mask docs/driver-model: Update device class docs docs/driver-model: Document device.groups kobj_uevent: Ignore if some listeners cannot handle message dynamic_debug: make netif_dbg() call __netdev_printk() dynamic_debug: make netdev_dbg() call __netdev_printk() ...
Diffstat (limited to 'drivers/base/platform.c')
-rw-r--r--drivers/base/platform.c54
1 files changed, 33 insertions, 21 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 99a5272d7c2f..7a24895543e7 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -375,52 +375,64 @@ void platform_device_unregister(struct platform_device *pdev)
EXPORT_SYMBOL_GPL(platform_device_unregister);
/**
- * platform_device_register_resndata - add a platform-level device with
+ * platform_device_register_full - add a platform-level device with
* resources and platform-specific data
*
- * @parent: parent device for the device we're adding
- * @name: base name of the device we're adding
- * @id: instance id
- * @res: set of resources that needs to be allocated for the device
- * @num: number of resources
- * @data: platform specific data for this platform device
- * @size: size of platform specific data
+ * @pdevinfo: data used to create device
*
* Returns &struct platform_device pointer on success, or ERR_PTR() on error.
*/
-struct platform_device *platform_device_register_resndata(
- struct device *parent,
- const char *name, int id,
- const struct resource *res, unsigned int num,
- const void *data, size_t size)
+struct platform_device *platform_device_register_full(
+ struct platform_device_info *pdevinfo)
{
int ret = -ENOMEM;
struct platform_device *pdev;
- pdev = platform_device_alloc(name, id);
+ pdev = platform_device_alloc(pdevinfo->name, pdevinfo->id);
if (!pdev)
- goto err;
-
- pdev->dev.parent = parent;
+ goto err_alloc;
+
+ pdev->dev.parent = pdevinfo->parent;
+
+ if (pdevinfo->dma_mask) {
+ /*
+ * This memory isn't freed when the device is put,
+ * I don't have a nice idea for that though. Conceptually
+ * dma_mask in struct device should not be a pointer.
+ * See http://thread.gmane.org/gmane.linux.kernel.pci/9081
+ */
+ pdev->dev.dma_mask =
+ kmalloc(sizeof(*pdev->dev.dma_mask), GFP_KERNEL);
+ if (!pdev->dev.dma_mask)
+ goto err;
+
+ *pdev->dev.dma_mask = pdevinfo->dma_mask;
+ pdev->dev.coherent_dma_mask = pdevinfo->dma_mask;
+ }
- ret = platform_device_add_resources(pdev, res, num);
+ ret = platform_device_add_resources(pdev,
+ pdevinfo->res, pdevinfo->num_res);
if (ret)
goto err;
- ret = platform_device_add_data(pdev, data, size);
+ ret = platform_device_add_data(pdev,
+ pdevinfo->data, pdevinfo->size_data);
if (ret)
goto err;
ret = platform_device_add(pdev);
if (ret) {
err:
+ kfree(pdev->dev.dma_mask);
+
+err_alloc:
platform_device_put(pdev);
return ERR_PTR(ret);
}
return pdev;
}
-EXPORT_SYMBOL_GPL(platform_device_register_resndata);
+EXPORT_SYMBOL_GPL(platform_device_register_full);
static int platform_drv_probe(struct device *_dev)
{
@@ -614,7 +626,7 @@ static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
return rc;
add_uevent_var(env, "MODALIAS=%s%s", PLATFORM_MODULE_PREFIX,
- (pdev->id_entry) ? pdev->id_entry->name : pdev->name);
+ pdev->name);
return 0;
}