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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-08-16 18:42:58 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-08-16 18:42:58 +0100
commite4862f2f6f5653dfb67f3ba2b6f0bc74516ed51a (patch)
tree1db5a0540a4eecfad9b7daee476b985e82ddc810 /scripts/checkpatch.pl
parentec62dbd7eb8e3dddb221da89ecbcea0fc3dee8c1 (diff)
parentb2c1e07b81a126e5846dfc3d36f559d861df59f4 (diff)
Merge branch 'for-2.6.36' into for-2.6.37
Fairly simple conflicts, the most serious ones are the i.MX ones which I suspect now need another rename. Conflicts: arch/arm/mach-mx2/clock_imx27.c arch/arm/mach-mx2/devices.c arch/arm/mach-omap2/board-rx51-peripherals.c arch/arm/mach-omap2/board-zoom2.c sound/soc/fsl/mpc5200_dma.c sound/soc/fsl/mpc5200_dma.h sound/soc/fsl/mpc8610_hpcd.c sound/soc/pxa/spitz.c
Diffstat (limited to 'scripts/checkpatch.pl')
-rwxr-xr-xscripts/checkpatch.pl42
1 files changed, 37 insertions, 5 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index bd88f11b0953..2039acdf5122 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -195,7 +195,7 @@ our $typeTypedefs = qr{(?x:
our $logFunctions = qr{(?x:
printk|
pr_(debug|dbg|vdbg|devel|info|warning|err|notice|alert|crit|emerg|cont)|
- dev_(printk|dbg|vdbg|info|warn|err|notice|alert|crit|emerg|WARN)|
+ (dev|netdev|netif)_(printk|dbg|vdbg|info|warn|err|notice|alert|crit|emerg|WARN)|
WARN|
panic
)};
@@ -224,6 +224,12 @@ our @modifierList = (
qr{fastcall},
);
+our $allowed_asm_includes = qr{(?x:
+ irq|
+ memory
+)};
+# memory.h: ARM has a custom one
+
sub build_types {
my $mods = "(?x: \n" . join("|\n ", @modifierList) . "\n)";
my $all = "(?x: \n" . join("|\n ", @typeList) . "\n)";
@@ -552,6 +558,9 @@ sub ctx_statement_block {
$type = ($level != 0)? '{' : '';
if ($level == 0) {
+ if (substr($blk, $off + 1, 1) eq ';') {
+ $off++;
+ }
last;
}
}
@@ -1403,7 +1412,8 @@ sub process {
#80 column limit
if ($line =~ /^\+/ && $prevrawline !~ /\/\*\*/ &&
$rawline !~ /^.\s*\*\s*\@$Ident\s/ &&
- $line !~ /^\+\s*$logFunctions\s*\(\s*(?:KERN_\S+\s*)?"[X\t]*"\s*(?:,|\)\s*;)\s*$/ &&
+ !($line =~ /^\+\s*$logFunctions\s*\(\s*(?:(KERN_\S+\s*|[^"]*))?"[X\t]*"\s*(?:,|\)\s*;)\s*$/ ||
+ $line =~ /^\+\s*"[^"]*"\s*(?:\s*|,|\)\s*;)\s*$/) &&
$length > 80)
{
WARN("line over 80 characters\n" . $herecurr);
@@ -1448,6 +1458,13 @@ sub process {
WARN("please, no space before tabs\n" . $herevet);
}
+# check for spaces at the beginning of a line.
+ if ($rawline =~ /^\+ / && $rawline !~ /\+ +\*/) {
+ my $herevet = "$here\n" . cat_vet($rawline) . "\n";
+ WARN("please, no space for starting a line, \
+ excluding comments\n" . $herevet);
+ }
+
# check we are in a valid C source file if not then ignore this hunk
next if ($realfile !~ /\.(h|c)$/);
@@ -1778,9 +1795,9 @@ sub process {
WARN("EXPORT_SYMBOL(foo); should immediately follow its function/variable\n" . $herecurr);
}
-# check for external initialisers.
+# check for global initialisers.
if ($line =~ /^.$Type\s*$Ident\s*(?:\s+$Modifier)*\s*=\s*(0|NULL|false)\s*;/) {
- ERROR("do not initialise externals to 0 or NULL\n" .
+ ERROR("do not initialise globals to 0 or NULL\n" .
$herecurr);
}
# check for static initialisers.
@@ -2308,7 +2325,7 @@ sub process {
my $checkfile = "include/linux/$file";
if (-f "$root/$checkfile" &&
$realfile ne $checkfile &&
- $1 ne 'irq')
+ $1 !~ /$allowed_asm_includes/)
{
if ($realfile =~ m{^arch/}) {
CHK("Consider using #include <linux/$file> instead of <asm/$file>\n" . $herecurr);
@@ -2570,6 +2587,21 @@ sub process {
}
}
+# prefer usleep_range over udelay
+ if ($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";