diff options
| author |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-01-12 01:07:46 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-01-12 01:07:46 +0100 |
| commit | 989652871b06f1fb173bc5e8e2ea03bec8f8eeeb (patch) | |
| tree | 1a9331bbbf04b5e04148e68214e52551b2f1317f /drivers/base/core.c | |
| parent | Linux 4.4 (diff) | |
| parent | device property: avoid allocations of 0 length (diff) | |
Merge branch 'device-properties'
* device-properties:
device property: avoid allocations of 0 length
device property: the secondary fwnode needs to depend on the primary
device property: add spaces to PROPERTY_ENTRY_STRING macro
include/linux/property.h: fix build issues with gcc-4.4.4
i2c: designware: Convert to use unified device property API
mfd: intel-lpss: Pass HSUART configuration via properties
mfd: intel-lpss: Pass SDA hold time to I2C host controller driver
mfd: intel-lpss: Add support for passing device properties
mfd: core: propagate device properties to sub devices drivers
driver core: Do not overwrite secondary fwnode with NULL if it is set
driver core: platform: Add support for built-in device properties
device property: Take a copy of the property set
device property: Fallback to secondary fwnode if primary misses the property
device property: return -EINVAL when property isn't found in ACPI
device property: improve readability of macros
device property: helper macros for property entry creation
device property: keep single value inplace
device property: refactor built-in properties support
device property: rename helper functions
device property: always check for fwnode type
Diffstat (limited to 'drivers/base/core.c')
| -rw-r--r-- | drivers/base/core.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index b7d56c5ea3c6..0a8bdade53f2 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -2261,7 +2261,10 @@ void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode) if (fwnode_is_primary(fn)) fn = fn->secondary; - fwnode->secondary = fn; + if (fn) { + WARN_ON(fwnode->secondary); + fwnode->secondary = fn; + } dev->fwnode = fwnode; } else { dev->fwnode = fwnode_is_primary(dev->fwnode) ? |