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@@ -2584,6 +2584,14 @@ sub process {
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}
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}
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}
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}
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+# prefer usleep_range over udelay
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+ if ($line =~ /\budelay\s*\(\s*(\w+)\s*\)/) {
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+ # ignore udelay's < 10, however
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+ if (! (($1 =~ /(\d+)/) && ($1 < 10)) ) {
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+ CHK("usleep_range is preferred over udelay; see Documentation/timers/timers-howto.txt\n" . $line);
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+ }
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+ }
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+
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# warn about #ifdefs in C files
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# warn about #ifdefs in C files
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# if ($line =~ /^.\s*\#\s*if(|n)def/ && ($realfile =~ /\.c$/)) {
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# if ($line =~ /^.\s*\#\s*if(|n)def/ && ($realfile =~ /\.c$/)) {
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# print "#ifdef in C files should be avoided\n";
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# print "#ifdef in C files should be avoided\n";
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