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drivers/of: Specify parent node in of_fdt_unflatten_tree()

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This adds one more argument to of_fdt_unflatten_tree() to specify
the parent node of the FDT blob that is going to be unflattened.
In the result, the function can be used to unflatten FDT blob that
represents device sub-tree in PowerNV PCI hotplug driver.

Cc: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Gavin Shan
2016-05-03 23:22:50 +10:00
committed by Rob Herring
parent 947c82cbf0
commit c4263233f3
4 changed files with 13 additions and 6 deletions
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include/linux/of_fdt.h
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@@ -38,6 +38,7 @@ extern bool of_fdt_is_big_endian(const void *blob,
extern int of_fdt_match(const void *blob, unsigned long node,
const char *const *compat);
extern void of_fdt_unflatten_tree(const unsigned long *blob,
struct device_node *dad,
struct device_node **mynodes);
/* TBD: Temporary export of fdt globals - remove when code fully merged */