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libfdt: fdt_address_cells() and fdt_size_cells()

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Add internal fdt_cells() to avoid copy and paste.  Test error cases and
default values.  Fix typo in fdt_size_cells() documentation comment.

Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Sebastian Huber
2018-07-19 08:19:43 +02:00
committed by David Gibson
parent 3fe0eeda0b
commit c12b2b0c20
8 changed files with 98 additions and 23 deletions
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libfdt/libfdt.h
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@@ -1145,7 +1145,7 @@ int fdt_address_cells(const void *fdt, int nodeoffset);
*
* returns:
* 0 <= n < FDT_MAX_NCELLS, on success
* 2, if the node has no #address-cells property
* 2, if the node has no #size-cells property
* -FDT_ERR_BADNCELLS, if the node has a badly formatted or invalid
* #size-cells property
* -FDT_ERR_BADMAGIC,