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fdtgrep: Tidy up comment for h_include()

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Copy the comment from fdt_first_region() so that it is clear what value
this function returns.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2023-12-17 09:36:18 -07:00
parent f3acd20685
commit b1823ed171
1 changed files with 9 additions and 3 deletions
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12
tools/fdtgrep.c
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@ -576,15 +576,21 @@ static int check_type_include(void *priv, int type, const char *data, int size)
}
/**
* h_include() - Include handler function for fdtgrep_find_regions()
* h_include() - Include handler function for fdt_first_region()
*
* This function decides whether to include or exclude a node, property or
* compatible string. The function is defined by fdtgrep_find_regions().
* compatible string. The function is defined by fdt_first_region().
*
* The algorithm is documented in the code - disp->invert is 0 for normal
* operation, and 1 to invert the sense of all matches.
*
* See
* @priv: Private pointer as passed to fdtgrep_find_regions()
* @fdt: Pointer to FDT blob
* @offset: Offset of this node / property
* @type: Type of this part, FDT_IS_...
* @data: Pointer to data (node name, property name, compatible string)
* @size: Size of data, or 0 if none
* Return: 0 to exclude, 1 to include, -1 if no information is available
*/
static int h_include(void *priv, const void *fdt, int offset, int type,
const char *data, int size)