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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-16 12:40:26 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-16 12:40:26 -0700
commitc813b4e16ead3c3df98ac84419d4df2adf33fe01 (patch)
tree2ca4a5b6966d833b6149e3dda7a4e85d1255779c /drivers/base/platform.c
parentc8d8a2321f9c4ee18fbcc399fdc2a77e580a03b9 (diff)
parent02683ffdf655b4ae15245376ba6fea6d9e5829a6 (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: (46 commits) UIO: Fix mapping of logical and virtual memory UIO: add automata sercos3 pci card support UIO: Change driver name of uio_pdrv UIO: Add alignment warnings for uio-mem Driver core: add bus_sort_breadthfirst() function NET: convert the phy_device file to use bus_find_device_by_name kobject: Cleanup kobject_rename and !CONFIG_SYSFS kobject: Fix kobject_rename and !CONFIG_SYSFS sysfs: Make dir and name args to sysfs_notify() const platform: add new device registration helper sysfs: use ilookup5() instead of ilookup5_nowait() PNP: create device attributes via default device attributes Driver core: make bus_find_device_by_name() more robust usb: turn dev_warn+WARN_ON combos into dev_WARN debug: use dev_WARN() rather than WARN_ON() in device_pm_add() debug: Introduce a dev_WARN() function sysfs: fix deadlock device model: Do a quickcheck for driver binding before doing an expensive check Driver core: Fix cleanup in device_create_vargs(). Driver core: Clarify device cleanup. ...
Diffstat (limited to 'drivers/base/platform.c')
-rw-r--r--drivers/base/platform.c49
1 files changed, 48 insertions, 1 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 66b710c28812..dfcbfe504867 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -394,6 +394,53 @@ error:
}
EXPORT_SYMBOL_GPL(platform_device_register_simple);
+/**
+ * platform_device_register_data
+ * @parent: parent device for the device we're adding
+ * @name: base name of the device we're adding
+ * @id: instance id
+ * @data: platform specific data for this platform device
+ * @size: size of platform specific data
+ *
+ * This function creates a simple platform device that requires minimal
+ * resource and memory management. Canned release function freeing memory
+ * allocated for the device allows drivers using such devices to be
+ * unloaded without waiting for the last reference to the device to be
+ * dropped.
+ */
+struct platform_device *platform_device_register_data(
+ struct device *parent,
+ const char *name, int id,
+ const void *data, size_t size)
+{
+ struct platform_device *pdev;
+ int retval;
+
+ pdev = platform_device_alloc(name, id);
+ if (!pdev) {
+ retval = -ENOMEM;
+ goto error;
+ }
+
+ pdev->dev.parent = parent;
+
+ if (size) {
+ retval = platform_device_add_data(pdev, data, size);
+ if (retval)
+ goto error;
+ }
+
+ retval = platform_device_add(pdev);
+ if (retval)
+ goto error;
+
+ return pdev;
+
+error:
+ platform_device_put(pdev);
+ return ERR_PTR(retval);
+}
+
static int platform_drv_probe(struct device *_dev)
{
struct platform_driver *drv = to_platform_driver(_dev->driver);
@@ -865,7 +912,7 @@ static int platform_pm_restore_noirq(struct device *dev)
#endif /* !CONFIG_HIBERNATION */
-struct pm_ext_ops platform_pm_ops = {
+static struct pm_ext_ops platform_pm_ops = {
.base = {
.prepare = platform_pm_prepare,
.complete = platform_pm_complete,