scripts/checkpatch.pl: add check for declaration of pci_device_id

Signed-off-by: NJoe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

scripts/checkpatch.pl

@@ -1881,6 +1881,11 @@ sub process {
 				$herecurr);
                }
 
+# check for declarations of struct pci_device_id
+		if ($line =~ /\bstruct\s+pci_device_id\s+\w+\s*\[\s*\]\s*\=\s*\{/) {
+			WARN("Use DEFINE_PCI_DEVICE_TABLE for struct pci_device_id\n" . $herecurr);
+		}
+
 # check for new typedefs, only function parameters and sparse annotations
 # make sense.
 		if ($line =~ /\btypedef\s/ &&