checkpatch: Drop pr_warning check

All pr_warning are removed from kernel, let's cleanup pr_warning
check in checkpatch.

Link: http://lkml.kernel.org/r/20191128004752.35268-5-wangkefeng.wang@huawei.com
To: linux-kernel@vger.kernel.org
Cc: gregkh@linuxfoundation.org
Cc: tj@kernel.org
Cc: arnd@arndb.de
Cc: sergey.senozhatsky@gmail.com
Cc: rostedt@goodmis.org
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Acked-by: Joe Perches <joe@perches.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 592911a..87831c5 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -4121,15 +4121,6 @@ sub process {
                             "Prefer [subsystem eg: netdev]_$level2([subsystem]dev, ... then dev_$level2(dev, ... then pr_$level(...  to printk(KERN_$orig ...\n" . $herecurr);
                }
 
-               if ($line =~ /\bpr_warning\s*\(/) {
-                       if (WARN("PREFER_PR_LEVEL",
-                                "Prefer pr_warn(... to pr_warning(...\n" . $herecurr) &&
-                           $fix) {
-                               $fixed[$fixlinenr] =~
-                                   s/\bpr_warning\b/pr_warn/;
-                       }
-               }
-
                if ($line =~ /\bdev_printk\s*\(\s*KERN_([A-Z]+)/) {
                        my $orig = $1;
                        my $level = lc($orig);