The patch titled
Subject: checkpatch: add --strict preference for #defines using BIT(foo)
has been removed from the -mm tree. Its filename was
checkpatch-add-strict-preference-for-defines-using-bitfoo.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Joe Perches <joe@xxxxxxxxxxx>
Subject: checkpatch: add --strict preference for #defines using BIT(foo)
Using BIT(foo) and BIT_ULL(bar) is more common now. Suggest using these
macros over #defines with 1<<value.
Add a --fix option too.
Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
Cc: David Miller <davem@xxxxxxxxxxxxx>
Cc: Jiri Pirko <jiri@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
scripts/checkpatch.pl | 11 +++++++++++
1 file changed, 11 insertions(+)
diff -puN scripts/checkpatch.pl~checkpatch-add-strict-preference-for-defines-using-bitfoo scripts/checkpatch.pl
--- a/scripts/checkpatch.pl~checkpatch-add-strict-preference-for-defines-using-bitfoo
+++ a/scripts/checkpatch.pl
@@ -4975,6 +4975,17 @@ 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;
_
Patches currently in -mm which might be from joe@xxxxxxxxxxx are
origin.patch
mm-utilc-add-kstrimdup.patch
fs-affs-amigaffsc-use-va_format-instead-of-buffer-vnsprintf.patch
linux-next.patch
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