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From: "Enrico Weigelt, metux IT consult" <lkml@metux.net>
To: cocci@systeme.lip6.fr
Subject: [Cocci] how to replace obsolete #ifdef's
Date: Wed, 5 Jun 2019 16:25:43 +0000
Message-ID: <5c138195-ac1a-4ad6-c6e6-720acd4ea34f@metux.net> (raw)

Hi folks,


is there a way to replace obsolete #ifdef's via spatch ?

Here's my scenario:

In the linux kernel we have many places where drivers statically assign
pointers to match tables (eg. for oftree or acpi) into a global driver
struct - sometimes this is enclosed into some #ifdef CONFIG_..., when
things like oftree or acpi are optional.

Example patch for illustrating what I'd like to do:

--- a/sound/soc/codecs/pcm3060-i2c.c
+++ b/sound/soc/codecs/pcm3060-i2c.c
@@ -45,9 +45,7 @@ static int pcm3060_i2c_probe(struct i2c_client *i2c,
  static struct i2c_driver pcm3060_i2c_driver = {
         .driver = {
                 .name = "pcm3060",
-#ifdef CONFIG_OF
-               .of_match_table = pcm3060_of_match,
-#endif /* CONFIG_OF */
+               .of_match_table = of_match_ptr(pcm3060_of_match),
         },
         .id_table = pcm3060_i2c_id,
         .probe = pcm3060_i2c_probe,


Just wrapping the assignment into the macro call turned out to be easy.
But I haven't found a way to remove the now #ifdef :(

Any idea how I could solve this ?


--mtx

-- 
Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
info@metux.net -- +49-151-27565287
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Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-05 16:25 Enrico Weigelt, metux IT consult [this message]
2019-06-05 19:51 ` [Cocci] How to replace obsolete #ifdef's? Markus Elfring
2019-06-05 20:52 ` [Cocci] how to replace obsolete #ifdef's Julia Lawall
2019-06-05 21:42   ` Enrico Weigelt, metux IT consult
2019-06-06  5:46     ` Julia Lawall
2019-06-06  9:30       ` [Cocci] How to replace obsolete #ifdef's? Markus Elfring
2019-06-06 10:34         ` Julia Lawall
2019-06-06 14:20           ` Markus Elfring
2019-06-06 15:34             ` David Young
2019-06-07 12:01           ` Enrico Weigelt, metux IT consult
2019-06-07 12:30             ` Julia Lawall
2019-06-06  9:15     ` Markus Elfring
2019-06-06  9:39       ` Julia Lawall
2019-06-07 12:05         ` Enrico Weigelt, metux IT consult
2019-06-07 12:32           ` Julia Lawall
2019-06-07 13:40             ` Markus Elfring
2019-06-07 16:33               ` Julia Lawall
2019-06-07 17:26                 ` Markus Elfring
2019-06-07 17:36                 ` Markus Elfring
2019-06-07 18:48 ` Markus Elfring
2019-06-07 18:59   ` Julia Lawall
2019-06-08  7:49   ` [Cocci] Handling of designated initialisers by SmPL? Markus Elfring

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