Merge tag 'irqchip-urgent-3.19' of git://git.infradead.org/users/jcooper/linux into irq/urgent

irqchip urgent fixes for v3.19 from Jason Cooper
 - mtk-sysirq: Fix error handling
 - hip04: Fix cpu map for 16bit value
 - gic-v3-its: Clear a warning regarding decimal constants
 - omap-intc: Fix legacy DMA regression
 - atmel-aic-common: Retain priority when changing type

16 files changed, 465 insertions, 153 deletions

diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 5374b1bdf02f..edd2794569db 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -185,6 +185,18 @@ modbuiltin := -f $(srctree)/scripts/Makefile.modbuiltin obj
 # $(Q)$(MAKE) $(dtbinst)=dir
 dtbinst := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.dtbinst obj
 
+###
+# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=
+# Usage:
+# $(Q)$(MAKE) $(clean)=dir
+clean := -f $(srctree)/scripts/Makefile.clean obj
+
+###
+# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.headersinst obj=
+# Usage:
+# $(Q)$(MAKE) $(hdr-inst)=dir
+hdr-inst := -f $(srctree)/scripts/Makefile.headersinst obj
+
 # Prefix -I with $(srctree) if it is not an absolute path.
 # skip if -I has no parameter
 addtree = $(if $(patsubst -I%,%,$(1)), \
diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean
index b1c668dc6815..1bca180db8ad 100644
--- a/scripts/Makefile.clean
+++ b/scripts/Makefile.clean
@@ -7,10 +7,7 @@ src := $(obj)
 PHONY := __clean
 __clean:
 
-# Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir
-# Usage:
-# $(Q)$(MAKE) $(clean)=dir
-clean := -f $(srctree)/scripts/Makefile.clean obj
+include scripts/Kbuild.include
 
 # The filename Kbuild has precedence over Makefile
 kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
@@ -91,11 +88,6 @@ PHONY += $(subdir-ymn)
 $(subdir-ymn):
         $(Q)$(MAKE) $(clean)=$@
 
-# If quiet is set, only print short version of command
-
-cmd = @$(if $($(quiet)cmd_$(1)),echo '  $($(quiet)cmd_$(1))' &&) $(cmd_$(1))
-
-
 # Declare the contents of the .PHONY variable as phony.  We keep that
 # information in a variable se we can use it in if_changed and friends.
 
diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst
index 8ccf83056a7a..1106d6ca3a38 100644
--- a/scripts/Makefile.headersinst
+++ b/scripts/Makefile.headersinst
@@ -122,7 +122,6 @@ $(check-file): scripts/headers_check.pl $(output-files) FORCE
 endif
 
 # Recursion
-hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj
 .PHONY: $(subdirs)
 $(subdirs):
         $(Q)$(MAKE) $(hdr-inst)=$(obj)/$@ dst=$(_dst)/$@
diff --git a/scripts/checkkconfigsymbols.py b/scripts/checkkconfigsymbols.py
new file mode 100644
index 000000000000..e9cc689033fe
--- /dev/null
+++ b/scripts/checkkconfigsymbols.py
@@ -0,0 +1,139 @@
+#!/usr/bin/env python
+
+"""Find Kconfig identifiers that are referenced but not defined."""
+
+# (c) 2014 Valentin Rothberg <valentinrothberg@gmail.com>
+# (c) 2014 Stefan Hengelein <stefan.hengelein@fau.de>
+#
+# Licensed under the terms of the GNU GPL License version 2
+
+
+import os
+import re
+from subprocess import Popen, PIPE, STDOUT
+
+
+# regex expressions
+OPERATORS = r"&|\(|\)|\||\!"
+FEATURE = r"(?:\w*[A-Z0-9]\w*){2,}"
+DEF = r"^\s*(?:menu){,1}config\s+(" + FEATURE + r")\s*"
+EXPR = r"(?:" + OPERATORS + r"|\s|" + FEATURE + r")+"
+STMT = r"^\s*(?:if|select|depends\s+on)\s+" + EXPR
+SOURCE_FEATURE = r"(?:\W|\b)+[D]{,1}CONFIG_(" + FEATURE + r")"
+
+# regex objects
+REGEX_FILE_KCONFIG = re.compile(r".*Kconfig[\.\w+\-]*$")
+REGEX_FEATURE = re.compile(r"(" + FEATURE + r")")
+REGEX_SOURCE_FEATURE = re.compile(SOURCE_FEATURE)
+REGEX_KCONFIG_DEF = re.compile(DEF)
+REGEX_KCONFIG_EXPR = re.compile(EXPR)
+REGEX_KCONFIG_STMT = re.compile(STMT)
+REGEX_KCONFIG_HELP = re.compile(r"^\s+(help|---help---)\s*$")
+REGEX_FILTER_FEATURES = re.compile(r"[A-Za-z0-9]$")
+
+
+def main():
+    """Main function of this module."""
+    source_files = []
+    kconfig_files = []
+    defined_features = set()
+    referenced_features = dict()  # {feature: [files]}
+
+    # use 'git ls-files' to get the worklist
+    pop = Popen("git ls-files", stdout=PIPE, stderr=STDOUT, shell=True)
+    (stdout, _) = pop.communicate()  # wait until finished
+    if len(stdout) > 0 and stdout[-1] == "\n":
+        stdout = stdout[:-1]
+
+    for gitfile in stdout.rsplit("\n"):
+        if ".git" in gitfile or "ChangeLog" in gitfile or \
+                ".log" in gitfile or os.path.isdir(gitfile):
+            continue
+        if REGEX_FILE_KCONFIG.match(gitfile):
+            kconfig_files.append(gitfile)
+        else:
+            # all non-Kconfig files are checked for consistency
+            source_files.append(gitfile)
+
+    for sfile in source_files:
+        parse_source_file(sfile, referenced_features)
+
+    for kfile in kconfig_files:
+        parse_kconfig_file(kfile, defined_features, referenced_features)
+
+    print "Undefined symbol used\tFile list"
+    for feature in sorted(referenced_features):
+        # filter some false positives
+        if feature == "FOO" or feature == "BAR" or \
+                feature == "FOO_BAR" or feature == "XXX":
+            continue
+        if feature not in defined_features:
+            if feature.endswith("_MODULE"):
+                # avoid false positives for kernel modules
+                if feature[:-len("_MODULE")] in defined_features:
+                    continue
+            files = referenced_features.get(feature)
+            print "%s\t%s" % (feature, ", ".join(files))
+
+
+def parse_source_file(sfile, referenced_features):
+    """Parse @sfile for referenced Kconfig features."""
+    lines = []
+    with open(sfile, "r") as stream:
+        lines = stream.readlines()
+
+    for line in lines:
+        if not "CONFIG_" in line:
+            continue
+        features = REGEX_SOURCE_FEATURE.findall(line)
+        for feature in features:
+            if not REGEX_FILTER_FEATURES.search(feature):
+                continue
+            sfiles = referenced_features.get(feature, set())
+            sfiles.add(sfile)
+            referenced_features[feature] = sfiles
+
+
+def get_features_in_line(line):
+    """Return mentioned Kconfig features in @line."""
+    return REGEX_FEATURE.findall(line)
+
+
+def parse_kconfig_file(kfile, defined_features, referenced_features):
+    """Parse @kfile and update feature definitions and references."""
+    lines = []
+    skip = False
+
+    with open(kfile, "r") as stream:
+        lines = stream.readlines()
+
+    for i in range(len(lines)):
+        line = lines[i]
+        line = line.strip('\n')
+        line = line.split("#")[0]  # ignore comments
+
+        if REGEX_KCONFIG_DEF.match(line):
+            feature_def = REGEX_KCONFIG_DEF.findall(line)
+            defined_features.add(feature_def[0])
+            skip = False
+        elif REGEX_KCONFIG_HELP.match(line):
+            skip = True
+        elif skip:
+            # ignore content of help messages
+            pass
+        elif REGEX_KCONFIG_STMT.match(line):
+            features = get_features_in_line(line)
+            # multi-line statements
+            while line.endswith("\\"):
+                i += 1
+                line = lines[i]
+                line = line.strip('\n')
+                features.extend(get_features_in_line(line))
+            for feature in set(features):
+                paths = referenced_features.get(feature, set())
+                paths.add(kfile)
+                referenced_features[feature] = paths
+
+
+if __name__ == "__main__":
+    main()
diff --git a/scripts/checkkconfigsymbols.sh b/scripts/checkkconfigsymbols.sh
deleted file mode 100755
index ccb3391882d1..000000000000
--- a/scripts/checkkconfigsymbols.sh
+++ /dev/null
@@ -1,59 +0,0 @@
-#!/bin/sh
-# Find Kconfig variables used in source code but never defined in Kconfig
-# Copyright (C) 2007, Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
-
-# Tested with dash.
-paths="$@"
-[ -z "$paths" ] && paths=.
-
-# Doing this once at the beginning saves a lot of time, on a cache-hot tree.
-Kconfigs="`find . -name 'Kconfig' -o -name 'Kconfig*[^~]'`"
-
-printf "File list \tundefined symbol used\n"
-find $paths -name '*.[chS]' -o -name 'Makefile' -o -name 'Makefile*[^~]'| while read i
-do
-        # Output the bare Kconfig variable and the filename; the _MODULE part at
-        # the end is not removed here (would need perl an not-hungry regexp for that).
-        sed -ne 's!^.*\<\(UML_\)\?CONFIG_\([0-9A-Za-z_]\+\).*!\2 '$i'!p' < $i
-done | \
-# Smart "sort|uniq" implemented in awk and tuned to collect the names of all
-# files which use a given symbol
-awk '{map[$1, count[$1]++] = $2; }
-END {
-        for (combIdx in map) {
-                split(combIdx, separate, SUBSEP);
-                # The value may have been removed.
-                if (! ( (separate[1], separate[2]) in map ) )
-                        continue;
-                symb=separate[1];
-                printf "%s ", symb;
-                #Use gawk extension to delete the names vector
-                delete names;
-                #Portably delete the names vector
-                #split("", names);
-                for (i=0; i < count[symb]; i++) {
-                        names[map[symb, i]] = 1;
-                        # Unfortunately, we may still encounter symb, i in the
-                        # outside iteration.
-                        delete map[symb, i];
-                }
-                i=0;
-                for (name in names) {
-                        if (i > 0)
-                                printf ", %s", name;
-                        else
-                                printf "%s", name;
-                        i++;
-                }
-                printf "\n";
-        }
-}' |
-while read symb files; do
-        # Remove the _MODULE suffix when checking the variable name. This should
-        # be done only on tristate symbols, actually, but Kconfig parsing is
-        # beyond the purpose of this script.
-        symb_bare=`echo $symb | sed -e 's/_MODULE//'`
-        if ! grep -q "\<$symb_bare\>" $Kconfigs; then
-                printf "$files: \t$symb\n"
-        fi
-done|sort
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 374abf443636..f0bb6d60c07b 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -7,10 +7,11 @@
 
 use strict;
 use POSIX;
+use File::Basename;
+use Cwd 'abs_path';
 
 my $P = $0;
-$P =~ s@(.*)/@@g;
-my $D = $1;
+my $D = dirname(abs_path($P));
 
 my $V = '0.32';
 
@@ -438,26 +439,29 @@ our $allowed_asm_includes = qr{(?x:
 
 # Load common spelling mistakes and build regular expression list.
 my $misspellings;
-my @spelling_list;
 my %spelling_fix;
-open(my $spelling, '<', $spelling_file)
-    or die "$P: Can't open $spelling_file for reading: $!\n";
-while (<$spelling>) {
-        my $line = $_;
 
-        $line =~ s/\s*\n?$//g;
-        $line =~ s/^\s*//g;
+if (open(my $spelling, '<', $spelling_file)) {
+        my @spelling_list;
+        while (<$spelling>) {
+                my $line = $_;
 
-        next if ($line =~ m/^\s*#/);
-        next if ($line =~ m/^\s*$/);
+                $line =~ s/\s*\n?$//g;
+                $line =~ s/^\s*//g;
 
-        my ($suspect, $fix) = split(/\|\|/, $line);
+                next if ($line =~ m/^\s*#/);
+                next if ($line =~ m/^\s*$/);
 
-        push(@spelling_list, $suspect);
-        $spelling_fix{$suspect} = $fix;
+                my ($suspect, $fix) = split(/\|\|/, $line);
+
+                push(@spelling_list, $suspect);
+                $spelling_fix{$suspect} = $fix;
+        }
+        close($spelling);
+        $misspellings = join("|", @spelling_list);
+} else {
+        warn "No typos will be found - file '$spelling_file': $!\n";
 }
-close($spelling);
-$misspellings = join("|", @spelling_list);
 
 sub build_types {
         my $mods = "(?x:  \n" . join("|\n  ", @modifierList) . "\n)";
@@ -942,7 +946,7 @@ sub sanitise_line {
 sub get_quoted_string {
         my ($line, $rawline) = @_;
 
-        return "" if ($line !~ m/(\"[X]+\")/g);
+        return "" if ($line !~ m/(\"[X\t]+\")/g);
         return substr($rawline, $-[0], $+[0] - $-[0]);
 }
 
@@ -1843,6 +1847,7 @@ sub process {
         my $non_utf8_charset = 0;
 
         my $last_blank_line = 0;
+        my $last_coalesced_string_linenr = -1;
 
         our @report = ();
         our $cnt_lines = 0;
@@ -2078,6 +2083,12 @@ sub process {
                         $in_commit_log = 0;
                 }
 
+# Check if MAINTAINERS is being updated.  If so, there's probably no need to
+# emit the "does MAINTAINERS need updating?" message on file add/move/delete
+                if ($line =~ /^\s*MAINTAINERS\s*\|/) {
+                        $reported_maintainer_file = 1;
+                }
+
 # Check signature styles
                 if (!$in_header_lines &&
                     $line =~ /^(\s*)([a-z0-9_-]+by:|$signature_tags)(\s*)(.*)/i) {
@@ -2246,7 +2257,7 @@ sub process {
                 }
 
 # Check for various typo / spelling mistakes
-                if ($in_commit_log || $line =~ /^\+/) {
+                if (defined($misspellings) && ($in_commit_log || $line =~ /^\+/)) {
                         while ($rawline =~ /(?:^|[^a-z@])($misspellings)(?:$|[^a-z@])/gi) {
                                 my $typo = $1;
                                 my $typo_fix = $spelling_fix{lc($typo)};
@@ -2403,33 +2414,6 @@ sub process {
                              "line over $max_line_length characters\n" . $herecurr);
                 }
 
-# Check for user-visible strings broken across lines, which breaks the ability
-# to grep for the string.  Make exceptions when the previous string ends in a
-# newline (multiple lines in one string constant) or '\t', '\r', ';', or '{'
-# (common in inline assembly) or is a octal \123 or hexadecimal \xaf value
-                if ($line =~ /^\+\s*"/ &&
-                    $prevline =~ /"\s*$/ &&
-                    $prevrawline !~ /(?:\\(?:[ntr]|[0-7]{1,3}|x[0-9a-fA-F]{1,2})|;\s*|\{\s*)"\s*$/) {
-                        WARN("SPLIT_STRING",
-                             "quoted string split across lines\n" . $hereprev);
-                }
-
-# check for missing a space in a string concatination
-                if ($prevrawline =~ /[^\\]\w"$/ && $rawline =~ /^\+[\t ]+"\w/) {
-                        WARN('MISSING_SPACE',
-                             "break quoted strings at a space character\n" . $hereprev);
-                }
-
-# check for spaces before a quoted newline
-                if ($rawline =~ /^.*\".*\s\\n/) {
-                        if (WARN("QUOTED_WHITESPACE_BEFORE_NEWLINE",
-                                 "unnecessary whitespace before a quoted newline\n" . $herecurr) &&
-                            $fix) {
-                                $fixed[$fixlinenr] =~ s/^(\+.*\".*)\s+\\n/$1\\n/;
-                        }
-
-                }
-
 # check for adding lines without a newline.
                 if ($line =~ /^\+/ && defined $lines[$linenr] && $lines[$linenr] =~ /^\\ No newline at end of file/) {
                         WARN("MISSING_EOF_NEWLINE",
@@ -2515,7 +2499,8 @@ sub process {
                         }
                 }
 
-                if ($line =~ /^\+.*\(\s*$Type\s*\)[ \t]+(?!$Assignment|$Arithmetic|{)/) {
+                if ($line =~ /^\+.*(\w+\s*)?\(\s*$Type\s*\)[ \t]+(?!$Assignment|$Arithmetic|[,;\({\[\<\>])/ &&
+                    (!defined($1) || $1 !~ /sizeof\s*/)) {
                         if (CHK("SPACING",
                                 "No space is necessary after a cast\n" . $herecurr) &&
                             $fix) {
@@ -3563,14 +3548,33 @@ sub process {
                                                 }
                                         }
 
-                                # , must have a space on the right.
+                                # , must not have a space before and must have a space on the right.
                                 } elsif ($op eq ',') {
+                                        my $rtrim_before = 0;
+                                        my $space_after = 0;
+                                        if ($ctx =~ /Wx./) {
+                                                if (ERROR("SPACING",
+                                                          "space prohibited before that '$op' $at\n" . $hereptr)) {
+                                                        $line_fixed = 1;
+                                                        $rtrim_before = 1;
+                                                }
+                                        }
                                         if ($ctx !~ /.x[WEC]/ && $cc !~ /^}/) {
                                                 if (ERROR("SPACING",
                                                           "space required after that '$op' $at\n" . $hereptr)) {
-                                                        $good = $fix_elements[$n] . trim($fix_elements[$n + 1]) . " ";
                                                         $line_fixed = 1;
                                                         $last_after = $n;
+                                                        $space_after = 1;
+                                                }
+                                        }
+                                        if ($rtrim_before || $space_after) {
+                                                if ($rtrim_before) {
+                                                        $good = rtrim($fix_elements[$n]) . trim($fix_elements[$n + 1]);
+                                                } else {
+                                                        $good = $fix_elements[$n] . trim($fix_elements[$n + 1]);
+                                                }
+                                                if ($space_after) {
+                                                        $good .= " ";
                                                 }
                                         }
 
@@ -3814,9 +3818,27 @@ sub process {
 # ie: &(foo->bar) should be &foo->bar and *(foo->bar) should be *foo->bar
 
                 while ($line =~ /(?:[^&]&\s*|\*)\(\s*($Ident\s*(?:$Member\s*)+)\s*\)/g) {
-                        CHK("UNNECESSARY_PARENTHESES",
-                            "Unnecessary parentheses around $1\n" . $herecurr);
-                    }
+                        my $var = $1;
+                        if (CHK("UNNECESSARY_PARENTHESES",
+                                "Unnecessary parentheses around $var\n" . $herecurr) &&
+                            $fix) {
+                                $fixed[$fixlinenr] =~ s/\(\s*\Q$var\E\s*\)/$var/;
+                        }
+                }
+
+# check for unnecessary parentheses around function pointer uses
+# ie: (foo->bar)(); should be foo->bar();
+# but not "if (foo->bar) (" to avoid some false positives
+                if ($line =~ /(\bif\s*|)(\(\s*$Ident\s*(?:$Member\s*)+\))[ \t]*\(/ && $1 !~ /^if/) {
+                        my $var = $2;
+                        if (CHK("UNNECESSARY_PARENTHESES",
+                                "Unnecessary parentheses around function pointer $var\n" . $herecurr) &&
+                            $fix) {
+                                my $var2 = deparenthesize($var);
+                                $var2 =~ s/\s//g;
+                                $fixed[$fixlinenr] =~ s/\Q$var\E/$var2/;
+                        }
+                }
 
 #goto labels aren't indented, allow a single space however
                 if ($line=~/^.\s+[A-Za-z\d_]+:(?![0-9]+)/ and
@@ -4056,7 +4078,9 @@ sub process {
 #Ignore Page<foo> variants
                             $var !~ /^(?:Clear|Set|TestClear|TestSet|)Page[A-Z]/ &&
 #Ignore SI style variants like nS, mV and dB (ie: max_uV, regulator_min_uA_show)
-                            $var !~ /^(?:[a-z_]*?)_?[a-z][A-Z](?:_[a-z_]+)?$/) {
+                            $var !~ /^(?:[a-z_]*?)_?[a-z][A-Z](?:_[a-z_]+)?$/ &&
+#Ignore some three character SI units explicitly, like MiB and KHz
+                            $var !~ /^(?:[a-z_]*?)_?(?:[KMGT]iB|[KMGT]?Hz)(?:_[a-z_]+)?$/) {
                                 while ($var =~ m{($Ident)}g) {
                                         my $word = $1;
                                         next if ($word !~ /[A-Z][a-z]|[a-z][A-Z]/);
@@ -4408,12 +4432,85 @@ sub process {
                              "Use of volatile is usually wrong: see Documentation/volatile-considered-harmful.txt\n" . $herecurr);
                 }
 
+# Check for user-visible strings broken across lines, which breaks the ability
+# to grep for the string.  Make exceptions when the previous string ends in a
+# newline (multiple lines in one string constant) or '\t', '\r', ';', or '{'
+# (common in inline assembly) or is a octal \123 or hexadecimal \xaf value
+                if ($line =~ /^\+\s*"[X\t]*"/ &&
+                    $prevline =~ /"\s*$/ &&
+                    $prevrawline !~ /(?:\\(?:[ntr]|[0-7]{1,3}|x[0-9a-fA-F]{1,2})|;\s*|\{\s*)"\s*$/) {
+                        if (WARN("SPLIT_STRING",
+                                 "quoted string split across lines\n" . $hereprev) &&
+                                     $fix &&
+                                     $prevrawline =~ /^\+.*"\s*$/ &&
+                                     $last_coalesced_string_linenr != $linenr - 1) {
+                                my $extracted_string = get_quoted_string($line, $rawline);
+                                my $comma_close = "";
+                                if ($rawline =~ /\Q$extracted_string\E(\s*\)\s*;\s*$|\s*,\s*)/) {
+                                        $comma_close = $1;
+                                }
+
+                                fix_delete_line($fixlinenr - 1, $prevrawline);
+                                fix_delete_line($fixlinenr, $rawline);
+                                my $fixedline = $prevrawline;
+                                $fixedline =~ s/"\s*$//;
+                                $fixedline .= substr($extracted_string, 1) . trim($comma_close);
+                                fix_insert_line($fixlinenr - 1, $fixedline);
+                                $fixedline = $rawline;
+                                $fixedline =~ s/\Q$extracted_string\E\Q$comma_close\E//;
+                                if ($fixedline !~ /\+\s*$/) {
+                                        fix_insert_line($fixlinenr, $fixedline);
+                                }
+                                $last_coalesced_string_linenr = $linenr;
+                        }
+                }
+
+# check for missing a space in a string concatenation
+                if ($prevrawline =~ /[^\\]\w"$/ && $rawline =~ /^\+[\t ]+"\w/) {
+                        WARN('MISSING_SPACE',
+                             "break quoted strings at a space character\n" . $hereprev);
+                }
+
+# check for spaces before a quoted newline
+                if ($rawline =~ /^.*\".*\s\\n/) {
+                        if (WARN("QUOTED_WHITESPACE_BEFORE_NEWLINE",
+                                 "unnecessary whitespace before a quoted newline\n" . $herecurr) &&
+                            $fix) {
+                                $fixed[$fixlinenr] =~ s/^(\+.*\".*)\s+\\n/$1\\n/;
+                        }
+
+                }
+
 # concatenated string without spaces between elements
                 if ($line =~ /"X+"[A-Z_]+/ || $line =~ /[A-Z_]+"X+"/) {
                         CHK("CONCATENATED_STRING",
                             "Concatenated strings should use spaces between elements\n" . $herecurr);
                 }
 
+# uncoalesced string fragments
+                if ($line =~ /"X*"\s*"/) {
+                        WARN("STRING_FRAGMENTS",
+                             "Consecutive strings are generally better as a single string\n" . $herecurr);
+                }
+
+# check for %L{u,d,i} in strings
+                my $string;
+                while ($line =~ /(?:^|")([X\t]*)(?:"|$)/g) {
+                        $string = substr($rawline, $-[1], $+[1] - $-[1]);
+                        $string =~ s/%%/__/g;
+                        if ($string =~ /(?<!%)%L[udi]/) {
+                                WARN("PRINTF_L",
+                                     "\%Ld/%Lu are not-standard C, use %lld/%llu\n" . $herecurr);
+                                last;
+                        }
+                }
+
+# check for line continuations in quoted strings with odd counts of "
+                if ($rawline =~ /\\$/ && $rawline =~ tr/"/"/ % 2) {
+                        WARN("LINE_CONTINUATIONS",
+                             "Avoid line continuations in quoted strings\n" . $herecurr);
+                }
+
 # warn about #if 0
                 if ($line =~ /^.\s*\#\s*if\s+0\b/) {
                         CHK("REDUNDANT_CODE",
@@ -4426,7 +4523,7 @@ sub process {
                         my $expr = '\s*\(\s*' . quotemeta($1) . '\s*\)\s*;';
                         if ($line =~ /\b(kfree|usb_free_urb|debugfs_remove(?:_recursive)?)$expr/) {
                                 WARN('NEEDLESS_IF',
-                                     "$1(NULL) is safe this check is probably not required\n" . $hereprev);
+                                     "$1(NULL) is safe and this check is probably not required\n" . $hereprev);
                         }
                 }
 
@@ -4458,6 +4555,28 @@ sub process {
                         }
                 }
 
+# check for mask then right shift without a parentheses
+                if ($^V && $^V ge 5.10.0 &&
+                    $line =~ /$LvalOrFunc\s*\&\s*($LvalOrFunc)\s*>>/ &&
+                    $4 !~ /^\&/) { # $LvalOrFunc may be &foo, ignore if so
+                        WARN("MASK_THEN_SHIFT",
+                             "Possible precedence defect with mask then right shift - may need parentheses\n" . $herecurr);
+                }
+
+# check for pointer comparisons to NULL
+                if ($^V && $^V ge 5.10.0) {
+                        while ($line =~ /\b$LvalOrFunc\s*(==|\!=)\s*NULL\b/g) {
+                                my $val = $1;
+                                my $equal = "!";
+                                $equal = "" if ($4 eq "!=");
+                                if (CHK("COMPARISON_TO_NULL",
+                                        "Comparison to NULL could be written \"${equal}${val}\"\n" . $herecurr) &&
+                                            $fix) {
+                                        $fixed[$fixlinenr] =~ s/\b\Q$val\E\s*(?:==|\!=)\s*NULL\b/$equal$val/;
+                                }
+                        }
+                }
+
 # check for bad placement of section $InitAttribute (e.g.: __initdata)
                 if ($line =~ /(\b$InitAttribute\b)/) {
                         my $attr = $1;
@@ -4652,6 +4771,15 @@ sub process {
                         }
                 }
 
+# Check for __attribute__ weak, or __weak declarations (may have link issues)
+                if ($^V && $^V ge 5.10.0 &&
+                    $line =~ /(?:$Declare|$DeclareMisordered)\s*$Ident\s*$balanced_parens\s*(?:$Attribute)?\s*;/ &&
+                    ($line =~ /\b__attribute__\s*\(\s*\(.*\bweak\b/ ||
+                     $line =~ /\b__weak\b/)) {
+                        ERROR("WEAK_DECLARATION",
+                              "Using weak declarations can have unintended link defects\n" . $herecurr);
+                }
+
 # check for sizeof(&)
                 if ($line =~ /\bsizeof\s*\(\s*\&/) {
                         WARN("SIZEOF_ADDRESS",
@@ -4667,12 +4795,6 @@ sub process {
                         }
                 }
 
-# check for line continuations in quoted strings with odd counts of "
-                if ($rawline =~ /\\$/ && $rawline =~ tr/"/"/ % 2) {
-                        WARN("LINE_CONTINUATIONS",
-                             "Avoid line continuations in quoted strings\n" . $herecurr);
-                }
-
 # check for struct spinlock declarations
                 if ($line =~ /^.\s*\bstruct\s+spinlock\s+\w+\s*;/) {
                         WARN("USE_SPINLOCK_T",
@@ -4908,6 +5030,17 @@ sub process {
                         }
                 }
 
+# check for #defines like: 1 << <digit> that could be BIT(digit)
+                if ($line =~ /#\s*define\s+\w+\s+\(?\s*1\s*([ulUL]*)\s*\<\<\s*(?:\d+|$Ident)\s*\)?/) {
+                        my $ull = "";
+                        $ull = "_ULL" if (defined($1) && $1 =~ /ll/i);
+                        if (CHK("BIT_MACRO",
+                                "Prefer using the BIT$ull macro\n" . $herecurr) &&
+                            $fix) {
+                                $fixed[$fixlinenr] =~ s/\(?\s*1\s*[ulUL]*\s*<<\s*(\d+|$Ident)\s*\)?/BIT${ull}($1)/;
+                        }
+                }
+
 # check for case / default statements not preceded by break/fallthrough/switch
                 if ($line =~ /^.\s*(?:case\s+(?:$Ident|$Constant)\s*|default):/) {
                         my $has_break = 0;
@@ -5071,18 +5204,6 @@ sub process {
                               "#define of '$1' is wrong - use Kconfig variables or standard guards instead\n" . $herecurr);
                 }
 
-# check for %L{u,d,i} in strings
-                my $string;
-                while ($line =~ /(?:^|")([X\t]*)(?:"|$)/g) {
-                        $string = substr($rawline, $-[1], $+[1] - $-[1]);
-                        $string =~ s/%%/__/g;
-                        if ($string =~ /(?<!%)%L[udi]/) {
-                                WARN("PRINTF_L",
-                                     "\%Ld/%Lu are not-standard C, use %lld/%llu\n" . $herecurr);
-                                last;
-                        }
-                }
-
 # whine mightly about in_atomic
                 if ($line =~ /\bin_atomic\s*\(/) {
                         if ($realfile =~ m@^drivers/@) {
diff --git a/scripts/coccinelle/api/platform_no_drv_owner.cocci b/scripts/coccinelle/api/platform_no_drv_owner.cocci
new file mode 100644
index 000000000000..e065b9e714fc
--- /dev/null
+++ b/scripts/coccinelle/api/platform_no_drv_owner.cocci
@@ -0,0 +1,106 @@
+/// Remove .owner field if calls are used which set it automatically
+///
+// Confidence: High
+// Copyright: (C) 2014 Wolfram Sang. GPL v2.
+
+virtual patch
+virtual context
+virtual org
+virtual report
+
+@match1@
+declarer name module_platform_driver;
+declarer name module_platform_driver_probe;
+identifier __driver;
+@@
+(
+        module_platform_driver(__driver);
+|
+        module_platform_driver_probe(__driver, ...);
+)
+
+@fix1 depends on match1 && patch && !context && !org && !report@
+identifier match1.__driver;
+@@
+        static struct platform_driver __driver = {
+                .driver = {
+-                       .owner = THIS_MODULE,
+                }
+        };
+
+@match2@
+identifier __driver;
+@@
+(
+        platform_driver_register(&__driver)
+|
+        platform_driver_probe(&__driver, ...)
+|
+        platform_create_bundle(&__driver, ...)
+)
+
+@fix2 depends on match2 && patch && !context && !org && !report@
+identifier match2.__driver;
+@@
+        static struct platform_driver __driver = {
+                .driver = {
+-                       .owner = THIS_MODULE,
+                }
+        };
+
+// ----------------------------------------------------------------------------
+
+@fix1_context depends on match1 && !patch && (context || org || report)@
+identifier match1.__driver;
+position j0;
+@@
+
+        static struct platform_driver __driver = {
+                .driver = {
+*                       .owner@j0 = THIS_MODULE,
+                }
+        };
+
+@fix2_context depends on match2 && !patch && (context || org || report)@
+identifier match2.__driver;
+position j0;
+@@
+
+        static struct platform_driver __driver = {
+                .driver = {
+*                       .owner@j0 = THIS_MODULE,
+                }
+        };
+
+// ----------------------------------------------------------------------------
+
+@script:python fix1_org depends on org@
+j0 << fix1_context.j0;
+@@
+
+msg = "No need to set .owner here. The core will do it."
+coccilib.org.print_todo(j0[0], msg)
+
+@script:python fix2_org depends on org@
+j0 << fix2_context.j0;
+@@
+
+msg = "No need to set .owner here. The core will do it."
+coccilib.org.print_todo(j0[0], msg)
+
+// ----------------------------------------------------------------------------
+
+@script:python fix1_report depends on report@
+j0 << fix1_context.j0;
+@@
+
+msg = "No need to set .owner here. The core will do it."
+coccilib.report.print_report(j0[0], msg)
+
+@script:python fix2_report depends on report@
+j0 << fix2_context.j0;
+@@
+
+msg = "No need to set .owner here. The core will do it."
+coccilib.report.print_report(j0[0], msg)
+
diff --git a/scripts/coccinelle/misc/bugon.cocci b/scripts/coccinelle/misc/bugon.cocci
index 556456ca761c..3b7eec24fb5a 100644
--- a/scripts/coccinelle/misc/bugon.cocci
+++ b/scripts/coccinelle/misc/bugon.cocci
@@ -8,7 +8,7 @@
 // Confidence: High
 // Copyright: (C) 2014 Himangi Saraogi.  GPLv2.
 // Comments:
-// Options: --no-includes, --include-headers
+// Options: --no-includes --include-headers
 
 virtual patch
 virtual context
diff --git a/scripts/headers.sh b/scripts/headers.sh
index 95ece06599a5..d4dc4de5cea1 100755
--- a/scripts/headers.sh
+++ b/scripts/headers.sh
@@ -19,8 +19,6 @@ for arch in ${archs}; do
         case ${arch} in
         um)        # no userspace export
                 ;;
-        cris)      # headers export are known broken
-                ;;
         *)
                 if [ -d ${srctree}/arch/${arch} ]; then
                         do_command $1 ${arch}
diff --git a/scripts/kconfig/list.h b/scripts/kconfig/list.h
index 685d80e1bb0e..2cf23f002d3f 100644
--- a/scripts/kconfig/list.h
+++ b/scripts/kconfig/list.h
@@ -34,7 +34,7 @@ struct list_head {
  * list_entry - get the struct for this entry
  * @ptr:        the &struct list_head pointer.
  * @type:       the type of the struct this is embedded in.
- * @member:     the name of the list_struct within the struct.
+ * @member:     the name of the list_head within the struct.
  */
 #define list_entry(ptr, type, member) \
         container_of(ptr, type, member)
@@ -43,7 +43,7 @@ struct list_head {
  * list_for_each_entry  -       iterate over list of given type
  * @pos:        the type * to use as a loop cursor.
  * @head:       the head for your list.
- * @member:     the name of the list_struct within the struct.
+ * @member:     the name of the list_head within the struct.
  */
 #define list_for_each_entry(pos, head, member)                          \
         for (pos = list_entry((head)->next, typeof(*pos), member);      \
@@ -55,7 +55,7 @@ struct list_head {
  * @pos:        the type * to use as a loop cursor.
  * @n:          another type * to use as temporary storage
  * @head:       the head for your list.
- * @member:     the name of the list_struct within the struct.
+ * @member:     the name of the list_head within the struct.
  */
 #define list_for_each_entry_safe(pos, n, head, member)                  \
         for (pos = list_entry((head)->next, typeof(*pos), member),      \
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index 14cea7463a62..4dd37552abc2 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -330,10 +330,10 @@ static void set_subtitle(void)
         list_for_each_entry(sp, &trail, entries) {
                 if (sp->text) {
                         if (pos) {
-                                pos->next = xcalloc(sizeof(*pos), 1);
+                                pos->next = xcalloc(1, sizeof(*pos));
                                 pos = pos->next;
                         } else {
-                                subtitles = pos = xcalloc(sizeof(*pos), 1);
+                                subtitles = pos = xcalloc(1, sizeof(*pos));
                         }
                         pos->text = sp->text;
                 }
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index a26cc5d2a9b0..72c9dba84c5d 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -548,7 +548,7 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
 {
         int i, j;
         struct menu *submenu[8], *menu, *location = NULL;
-        struct jump_key *jump;
+        struct jump_key *jump = NULL;
 
         str_printf(r, _("Prompt: %s\n"), _(prop->text));
         menu = prop->menu->parent;
@@ -586,7 +586,7 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
                 str_printf(r, _("  Location:\n"));
                 for (j = 4; --i >= 0; j += 2) {
                         menu = submenu[i];
-                        if (head && location && menu == location)
+                        if (jump && menu == location)
                                 jump->offset = strlen(r->s);
                         str_printf(r, "%*c-> %s", j, ' ',
                                    _(menu_get_prompt(menu)));
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 70bea942b413..9922e66883a5 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1753,7 +1753,7 @@ sub dump_struct($$) {
         # strip kmemcheck_bitfield_{begin,end}.*;
         $members =~ s/kmemcheck_bitfield_.*?;//gos;
         # strip attributes
-        $members =~ s/__aligned\s*\(.+\)//gos;
+        $members =~ s/__aligned\s*\([^;]*\)//gos;
 
         create_parameterlist($members, ';', $file);
         check_sections($file, $declaration_name, "struct", $sectcheck, $struct_actual, $nested);
diff --git a/scripts/package/mkspec b/scripts/package/mkspec
index 13957602f7ca..d9ab94b17de0 100755
--- a/scripts/package/mkspec
+++ b/scripts/package/mkspec
@@ -117,6 +117,7 @@ echo 'mv vmlinux.bz2 $RPM_BUILD_ROOT'"/boot/vmlinux-$KERNELRELEASE.bz2"
 echo 'mv vmlinux.orig vmlinux'
 echo "%endif"
 
+if ! $PREBUILT; then
 echo 'rm -f $RPM_BUILD_ROOT'"/lib/modules/$KERNELRELEASE/{build,source}"
 echo "mkdir -p "'$RPM_BUILD_ROOT'"/usr/src/kernels/$KERNELRELEASE"
 echo "EXCLUDES=\"$RCS_TAR_IGNORE --exclude .tmp_versions --exclude=*vmlinux* --exclude=*.o --exclude=*.ko --exclude=*.cmd --exclude=Documentation --exclude=firmware --exclude .config.old --exclude .missing-syscalls.d\""
@@ -124,6 +125,7 @@ echo "tar "'$EXCLUDES'" -cf- . | (cd "'$RPM_BUILD_ROOT'"/usr/src/kernels/$KERNEL
 echo 'cd $RPM_BUILD_ROOT'"/lib/modules/$KERNELRELEASE"
 echo "ln -sf /usr/src/kernels/$KERNELRELEASE build"
 echo "ln -sf /usr/src/kernels/$KERNELRELEASE source"
+fi
 
 echo ""
 echo "%clean"
@@ -151,9 +153,11 @@ echo "%files headers"
 echo '%defattr (-, root, root)'
 echo "/usr/include"
 echo ""
+if ! $PREBUILT; then
 echo "%files devel"
 echo '%defattr (-, root, root)'
 echo "/usr/src/kernels/$KERNELRELEASE"
 echo "/lib/modules/$KERNELRELEASE/build"
 echo "/lib/modules/$KERNELRELEASE/source"
 echo ""
+fi
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index 001facfa5b74..3d1984e59a30 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -404,7 +404,7 @@ do_file(char const *const fname)
                 }
                 if (w2(ghdr->e_machine) == EM_S390) {
                         reltype = R_390_64;
-                        mcount_adjust_64 = -8;
+                        mcount_adjust_64 = -14;
                 }
                 if (w2(ghdr->e_machine) == EM_MIPS) {
                         reltype = R_MIPS_64;
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index d4b665610d67..56ea99a12ab7 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -243,7 +243,7 @@ if ($arch eq "x86_64") {
 
 } elsif ($arch eq "s390" && $bits == 64) {
     $mcount_regex = "^\\s*([0-9a-fA-F]+):\\s*R_390_(PC|PLT)32DBL\\s+_mcount\\+0x2\$";
-    $mcount_adjust = -8;
+    $mcount_adjust = -14;
     $alignment = 8;
     $type = ".quad";
     $ld .= " -m elf64_s390";