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-rw-r--r--sys/i386/isa/tw.c36
1 files changed, 23 insertions, 13 deletions
diff --git a/sys/i386/isa/tw.c b/sys/i386/isa/tw.c
index 7b5dbcc..c672047 100644
--- a/sys/i386/isa/tw.c
+++ b/sys/i386/isa/tw.c
@@ -149,10 +149,14 @@
#ifdef JREMOD
#include <sys/conf.h>
+#include <sys/kernel.h>
+#ifdef DEVFS
+#include <sys/devfsext.h>
+#endif /*DEVFS*/
#define CDEV_MAJOR 19
-static void tw_devsw_install();
#endif /*JREMOD*/
+
/*
* Transmission is done by calling write() to send three byte packets of data.
* The first byte contains a four bit house code (0=A to 15=P).
@@ -348,9 +352,6 @@ int twattach(idp)
sc = &tw_sc[idp->id_unit];
sc->sc_port = idp->id_iobase;
sc->sc_state = 0;
-#ifdef JREMOD
- tw_devsw_install();
-#endif /*JREMOD*/
return (1);
}
@@ -999,19 +1000,28 @@ struct cdevsw tw_cdevsw =
static tw_devsw_installed = 0;
-static void tw_devsw_install()
+static void tw_drvinit(void *unused)
{
- dev_t descript;
+ dev_t dev;
+
if( ! tw_devsw_installed ) {
- descript = makedev(CDEV_MAJOR,0);
- cdevsw_add(&descript,&tw_cdevsw,NULL);
-#if defined(BDEV_MAJOR)
- descript = makedev(BDEV_MAJOR,0);
- bdevsw_add(&descript,&tw_bdevsw,NULL);
-#endif /*BDEV_MAJOR*/
+ dev = makedev(CDEV_MAJOR,0);
+ cdevsw_add(&dev,&tw_cdevsw,NULL);
tw_devsw_installed = 1;
- }
+#ifdef DEVFS
+ {
+ int x;
+/* default for a simple device with no probe routine (usually delete this) */
+ x=devfs_add_devsw(
+/* path name devsw minor type uid gid perm*/
+ "/", "tw", major(dev), 0, DV_CHR, 0, 0, 0600);
+ }
+ }
+#endif
}
+
+SYSINIT(twdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,tw_drvinit,NULL)
+
#endif /* JREMOD */
#endif NTW
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