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dm: core: Add ofnode function to read a 64-bit int

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We have a 32-bit version of this function. Add a 64-bit version as well so
we can easily read 64-bit ints from the device tree.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2018-06-11 13:07:10 -06:00
parent 90c08fa038
commit 7e5196c409
4 changed files with 78 additions and 0 deletions
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10
include/dm/ofnode.h
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@@ -236,6 +236,16 @@ int ofnode_read_u32_default(ofnode ref, const char *propname, u32 def);
*/
int ofnode_read_s32_default(ofnode node, const char *propname, s32 def);
/**
* ofnode_read_u64_default() - Read a 64-bit integer from a property
*
* @ref: valid node reference to read property from
* @propname: name of the property to read from
* @def: default value to return if the property has no value
* @return property value, or @def if not found
*/
int ofnode_read_u64_default(ofnode node, const char *propname, u64 def);
/**
* ofnode_read_string() - Read a string from a property
*