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device property: Take a copy of the property set

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It is convenient if the property set associated with the device secondary
firmware node is a copy of the original. This allows passing property set
from a stack for example for devices created dynamically. This also ties
the property set lifetime to the associated device.

Because of that we provide new function device_remove_property_set() that
is used to disassociate and release memory allocated for the property set.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Mika Westerberg
2015-11-30 17:11:37 +02:00
committed by Rafael J. Wysocki
parent 362c0b3024
commit 13141e1cb8
2 changed files with 175 additions and 19 deletions
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3
include/linux/property.h
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@@ -240,7 +240,8 @@ struct property_set {
struct property_entry *properties;
};
void device_add_property_set(struct device *dev, struct property_set *pset);
int device_add_property_set(struct device *dev, const struct property_set *pset);
void device_remove_property_set(struct device *dev);
bool device_dma_supported(struct device *dev);