[PATCH v3 12/27] scripts/documentation-file-ref-check: add a fix logic for DT

[Mauro Carvalho Chehab]

There are several links broken due to DT file movements. Add
a hint logic to seek for those changes.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>
---
 MAINTAINERS                          |  2 +-
 scripts/documentation-file-ref-check | 20 +++++++++++++++++---
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 09554034be46..ec65e33e2cf1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7425,7 +7425,7 @@ M:	Linus Walleij <linus.walleij@xxxxxxxxxx>
 L:	linux-iio@xxxxxxxxxxxxxxx
 S:	Maintained
 F:	drivers/iio/gyro/mpu3050*
-F:	Documentation/devicetree/bindings/iio/gyroscope/inv,mpu3050.txt
+F:	Documentation/devicetree/bindings/iio/gyroscope/invensense,mpu3050.txt
 
 IOC3 ETHERNET DRIVER
 M:	Ralf Baechle <ralf@xxxxxxxxxxxxxx>
diff --git a/scripts/documentation-file-ref-check b/scripts/documentation-file-ref-check
index 9d5e21b10346..c8bc1c1c1d6e 100755
--- a/scripts/documentation-file-ref-check
+++ b/scripts/documentation-file-ref-check
@@ -64,7 +64,7 @@ while (<IN>) {
 		next if (grep -e, glob("$ref $fulref"));
 
 		if ($fix) {
-			if (!($ref =~ m/(devicetree|scripts|Kconfig|Kbuild)/)) {
+			if (!($ref =~ m/(scripts|Kconfig|Kbuild)/)) {
 				$broken_ref{$ref}++;
 			}
 		} else {
@@ -84,10 +84,19 @@ foreach my $ref (keys %broken_ref) {
 	# get just the basename
 	$new =~ s,.*/,,;
 
-	# Seek for the same name on another place, as it may have been moved
 	my $f="";
 
-	$f = qx(find . -iname $new) if ($new);
+	# usual reason for breakage: DT file moved around
+	if ($ref =~ /devicetree/) {
+		my $search = $new;
+		$search =~ s,^.*/,,;
+		$f = qx(find Documentation/devicetree/ -iname "*$search*") if ($search);
+		if (!$f) {
+			# Manufacturer name may have changed
+			$search =~ s/^.*,//;
+			$f = qx(find Documentation/devicetree/ -iname "*$search*") if ($search);
+		}
+	}
 
 	# usual reason for breakage: file renamed to .rst
 	if (!$f) {
@@ -95,6 +104,11 @@ foreach my $ref (keys %broken_ref) {
 		$f=qx(find . -iname $new) if ($new);
 	}
 
+	# Wild guess: seek for the same name on another place
+	if (!$f) {
+		$f = qx(find . -iname $new) if ($new);
+	}
+
 	my @find = split /\s+/, $f;
 
 	if (!$f) {
-- 
2.17.1