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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2021-11-26 19:45:31 +0100 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2021-11-26 19:45:31 +0100 |
commit | 2e13e5aeda156f747919c7111723b9302836fb38 (patch) | |
tree | 937e4f52279e12792c4dfedf3fcf31b6a71a7ff9 /drivers/acpi | |
parent | ACPI: CPPC: Add NULL pointer check to cppc_get_perf() (diff) | |
parent | ACPI: Make acpi_node_get_parent() local (diff) | |
download | linux-2e13e5aeda156f747919c7111723b9302836fb38.tar.gz linux-2e13e5aeda156f747919c7111723b9302836fb38.tar.bz2 linux-2e13e5aeda156f747919c7111723b9302836fb38.zip |
Merge branch 'acpi-properties'
Merge fix and cleanup related to the management of ACPI device
properties for 5.16-rc3.
* acpi-properties:
ACPI: Make acpi_node_get_parent() local
ACPI: Get acpi_device's parent from the parent field
Diffstat (limited to 'drivers/acpi')
-rw-r--r-- | drivers/acpi/property.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index e312ebaed8db..2366f54d8e9c 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -1084,21 +1084,17 @@ struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, * Returns parent node of an ACPI device or data firmware node or %NULL if * not available. */ -struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode) +static struct fwnode_handle * +acpi_node_get_parent(const struct fwnode_handle *fwnode) { if (is_acpi_data_node(fwnode)) { /* All data nodes have parent pointer so just return that */ return to_acpi_data_node(fwnode)->parent; } else if (is_acpi_device_node(fwnode)) { - acpi_handle handle, parent_handle; - - handle = to_acpi_device_node(fwnode)->handle; - if (ACPI_SUCCESS(acpi_get_parent(handle, &parent_handle))) { - struct acpi_device *adev; + struct device *dev = to_acpi_device_node(fwnode)->dev.parent; - if (!acpi_bus_get_device(parent_handle, &adev)) - return acpi_fwnode_handle(adev); - } + if (dev) + return acpi_fwnode_handle(to_acpi_device(dev)); } return NULL; |