[src/trunk]: src/sys/dev/pad Rework so that module infrastructure is provided...

[pgoyette <pgoyette%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/000b6ca0f985
branches:  trunk
changeset: 828468:000b6ca0f985
user:      pgoyette <pgoyette%NetBSD.org@localhost>
date:      Fri Dec 15 11:49:32 2017 +0000

description:
Rework so that module infrastructure is provided even when the module
is built-in to the kernel.

XXX pullup-8?

diffstat:

 sys/dev/pad/pad.c |  42 +++++++++++++++++++++++-------------------
 1 files changed, 23 insertions(+), 19 deletions(-)

diffs (118 lines):

diff -r c1dc9e0283df -r 000b6ca0f985 sys/dev/pad/pad.c
--- a/sys/dev/pad/pad.c Fri Dec 15 07:29:11 2017 +0000
+++ b/sys/dev/pad/pad.c Fri Dec 15 11:49:32 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: pad.c,v 1.43 2017/11/30 20:25:55 christos Exp $ */
+/* $NetBSD: pad.c,v 1.44 2017/12/15 11:49:32 pgoyette Exp $ */
 
 /*-
  * Copyright (c) 2007 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pad.c,v 1.43 2017/11/30 20:25:55 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pad.c,v 1.44 2017/12/15 11:49:32 pgoyette Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -899,9 +899,9 @@
                kmem_free(this, sizeof(auvolconv_filter_t));
 }
 
-#ifdef _MODULE
+MODULE(MODULE_CLASS_DRIVER, pad, "audio");
 
-MODULE(MODULE_CLASS_DRIVER, pad, "audio");
+#ifdef _MODULE
 
 static const struct cfiattrdata audiobuscf_iattrdata = {
        "audiobus", 0, { { NULL, NULL, 0 }, }
@@ -926,18 +926,22 @@
        },
        { NULL, NULL, 0, 0, NULL, 0, NULL }
 };
+#endif
 
 static int
 pad_modcmd(modcmd_t cmd, void *arg)
 {
+#ifdef _MODULE
        devmajor_t cmajor = NODEVMAJOR, bmajor = NODEVMAJOR;
-       int error;
+#endif
+       int error = 0;
 
        switch (cmd) {
        case MODULE_CMD_INIT:
+#ifdef _MODULE
                error = config_cfdriver_attach(&pad_cd);
                if (error) {
-                       return error;
+                       break;
                }
 
                error = config_cfattach_attach(pad_cd.cd_name, &pad_ca);
@@ -946,7 +950,7 @@
                        aprint_error("%s: unable to register cfattach\n",
                                pad_cd.cd_name);
 
-                       return error;
+                       break;
                }
 
                error = config_cfdata_attach(pad_cfdata, 1);
@@ -956,41 +960,41 @@
                        aprint_error("%s: unable to register cfdata\n",
                                pad_cd.cd_name);
 
-                       return error;
+                       break;
                }
 
                error = devsw_attach(pad_cd.cd_name, NULL, &bmajor,
                    &pad_cdevsw, &cmajor);
                if (error) {
-                       error = config_cfdata_detach(pad_cfdata);
-                       if (error) {
-                               return error;
-                       }
+                       config_cfdata_detach(pad_cfdata);
                        config_cfattach_detach(pad_cd.cd_name, &pad_ca);
                        config_cfdriver_detach(&pad_cd);
                        aprint_error("%s: unable to register devsw\n",
                                pad_cd.cd_name);
 
-                       return error;
+                       break;
                }
 
                (void)config_attach_pseudo(pad_cfdata);
+#endif
 
-               return 0;
+               break;
        case MODULE_CMD_FINI:
+#ifdef _MODULE
                error = config_cfdata_detach(pad_cfdata);
                if (error) {
-                       return error;
+                       break;
                }
 
                config_cfattach_detach(pad_cd.cd_name, &pad_ca);
                config_cfdriver_detach(&pad_cd);
                devsw_detach(NULL, &pad_cdevsw);
+#endif
 
-               return 0;
+               break;
        default:
-               return ENOTTY;
+               error = ENOTTY;
        }
+
+       return error;
 }
-
-#endif