gen_devtree: Add alias support to 'chosen' section
Allows an alias to to specified in the 'chosen' section
of the config yaml by using (alias).
Change-Id: Ib580a7ae113ce47359ecaeb454ad099b3993ea0c
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
diff --git a/gen_devtree.pl b/gen_devtree.pl
index 474c74e..2eb3622 100755
--- a/gen_devtree.pl
+++ b/gen_devtree.pl
@@ -156,18 +156,17 @@
}
%chosen = %{ $g_configuration{chosen} };
- #Check for allowed entries. Empty is OK.
foreach my $key (keys %chosen) {
- my $found = 0;
- foreach my $good (@allowed) {
- if ($key eq $good) {
- $found = 1;
- }
- }
- if ($found == 0) {
+ #Check for allowed entries. Empty is OK.
+ if (!grep(/^$key$/, @allowed)) {
die "Invalid entry $key in 'chosen' section in config file\n";
}
+
+ #stdout-path and stdin-path can use aliases, which will look like
+ #(alias)uart5 in the yaml. Change to (ref)uart5 so it will be
+ #converted to a '&' later.
+ $chosen{$key} =~ s/\(alias\)/\(ref\)/g;
}
return %chosen;