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dm: core: Move "/clock" node scan into function

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Create separate function for scanning node by path and
move "/clock" node scan code into that function.

This will be usable if scanning of more node is required.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Rajan Vaja 2018-08-10 01:45:33 -07:00 committed by Simon Glass
parent d2166319df
commit 68d215d907
1 changed files with 18 additions and 15 deletions
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33
drivers/core/root.c
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@ -330,10 +330,25 @@ static int dm_scan_fdt_node(struct udevice *parent, const void *blob,
}
#endif
static int dm_scan_fdt_ofnode_path(const char *path, bool pre_reloc_only)
{
ofnode node;
node = ofnode_path(path);
if (!ofnode_valid(node))
return 0;
#if CONFIG_IS_ENABLED(OF_LIVE)
if (of_live_active())
return dm_scan_fdt_live(gd->dm_root, node.np, pre_reloc_only);
#endif
return dm_scan_fdt_node(gd->dm_root, gd->fdt_blob, node.of_offset,
pre_reloc_only);
}
int dm_extended_scan_fdt(const void *blob, bool pre_reloc_only)
{
int ret;
ofnode node;
ret = dm_scan_fdt(gd->fdt_blob, pre_reloc_only);
if (ret) {
@ -341,21 +356,9 @@ int dm_extended_scan_fdt(const void *blob, bool pre_reloc_only)
return ret;
}
/* bind fixed-clock */
node = ofnode_path("/clocks");
/* if no DT "clocks" node, no need to go further */
if (!ofnode_valid(node))
return ret;
#if CONFIG_IS_ENABLED(OF_LIVE)
if (of_live_active())
ret = dm_scan_fdt_live(gd->dm_root, node.np, pre_reloc_only);
else
#endif
ret = dm_scan_fdt_node(gd->dm_root, gd->fdt_blob, node.of_offset,
pre_reloc_only);
ret = dm_scan_fdt_ofnode_path("/clocks", pre_reloc_only);
if (ret)
debug("dm_scan_fdt_node() failed: %d\n", ret);
debug("scan for /clocks failed: %d\n", ret);
return ret;
}