X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=scripts%2Fcheckpatch.pl;h=2039acdf51222b3961b06291d6a02f4a8105a240;hb=16cdc628c3aed47d02205135b7e2f01e0064f566;hp=2018f4349b477ba3eac5d370c1efd5d99c39a1df;hpb=8bbea968f9022c3f66a36902509574597611be99;p=cascardo%2Flinux.git

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 2018f4349b47..2039acdf5122 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -558,6 +558,9 @@ sub ctx_statement_block {
 			$type = ($level != 0)? '{' : '';
 
 			if ($level == 0) {
+				if (substr($blk, $off + 1, 1) eq ';') {
+					$off++;
+				}
 				last;
 			}
 		}
@@ -2584,6 +2587,21 @@ sub process {
 			}
 		}
 
+# prefer usleep_range over udelay
+		if ($line =~ /\budelay\s*\(\s*(\w+)\s*\)/) {
+			# ignore udelay's < 10, however
+			if (! (($1 =~ /(\d+)/) && ($1 < 10)) ) {
+				CHK("usleep_range is preferred over udelay; see Documentation/timers/timers-howto.txt\n" . $line);
+			}
+		}
+
+# warn about unexpectedly long msleep's
+		if ($line =~ /\bmsleep\s*\((\d+)\);/) {
+			if ($1 < 20) {
+				WARN("msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt\n" . $line);
+			}
+		}
+
 # warn about #ifdefs in C files
 #		if ($line =~ /^.\s*\#\s*if(|n)def/ && ($realfile =~ /\.c$/)) {
 #			print "#ifdef in C files should be avoided\n";