diff options
Diffstat (limited to 'sys/i386/isa/tw.c')
-rw-r--r-- | sys/i386/isa/tw.c | 36 |
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 |