[src/trunk]: src/sys/dev/usb don't pass two different softcs that just happen...

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

details:   https://anonhg.NetBSD.org/src/rev/c42bbd47161c
branches:  trunk
changeset: 451049:c42bbd47161c
user:      mrg <mrg%NetBSD.org@localhost>
date:      Sat May 04 23:52:18 2019 +0000

description:
don't pass two different softcs that just happen to overlap, but
shim the umodem functions directly and call them with the sub-softc.

diffstat:

 sys/dev/usb/ukyopon.c |  71 ++++++++++++++++++++++++++++++++++++++------------
 1 files changed, 54 insertions(+), 17 deletions(-)

diffs (122 lines):

diff -r b6f34416051e -r c42bbd47161c sys/dev/usb/ukyopon.c
--- a/sys/dev/usb/ukyopon.c     Sat May 04 23:36:14 2019 +0000
+++ b/sys/dev/usb/ukyopon.c     Sat May 04 23:52:18 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ukyopon.c,v 1.21 2019/05/04 08:04:13 mrg Exp $ */
+/*     $NetBSD: ukyopon.c,v 1.22 2019/05/04 23:52:18 mrg Exp $ */
 
 /*
  * Copyright (c) 1998, 2005 The NetBSD Foundation, Inc.
@@ -34,7 +34,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ukyopon.c,v 1.21 2019/05/04 08:04:13 mrg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ukyopon.c,v 1.22 2019/05/04 23:52:18 mrg Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_usb.h"
@@ -86,27 +86,31 @@
 #define UKYOPON_MODEM_IFACE_INDEX      0
 #define UKYOPON_DATA_IFACE_INDEX       3
 
-Static void    ukyopon_get_status(void *, int, u_char *, u_char *);
-Static int     ukyopon_ioctl(void *, int, u_long, void *, int, proc_t *);
+static void    ukyopon_get_status(void *, int, u_char *, u_char *);
+static int     ukyopon_ioctl(void *, int, u_long, void *, int, proc_t *);
+static void    ukyopon_set(void *, int, int, int);
+static int     ukyopon_param(void *, int, struct termios *);
+static int     ukyopon_open(void *, int);
+static void    ukyopon_close(void *, int);
 
-Static struct ucom_methods ukyopon_methods = {
+static struct ucom_methods ukyopon_methods = {
        .ucom_get_status = ukyopon_get_status,
-       .ucom_set = umodem_set,
-       .ucom_param = umodem_param,
+       .ucom_set = ukyopon_set,
+       .ucom_param = ukyopon_param,
        .ucom_ioctl = ukyopon_ioctl,
-       .ucom_open = umodem_open,
-       .ucom_close = umodem_close,
+       .ucom_open = ukyopon_open,
+       .ucom_close = ukyopon_close,
 };
 
-int            ukyopon_match(device_t, cfdata_t, void *);
-void           ukyopon_attach(device_t, device_t, void *);
-int            ukyopon_detach(device_t, int);
-int            ukyopon_activate(device_t, enum devact);
+static int     ukyopon_match(device_t, cfdata_t, void *);
+static void    ukyopon_attach(device_t, device_t, void *);
+static int     ukyopon_detach(device_t, int);
+static int     ukyopon_activate(device_t, enum devact);
 extern struct cfdriver ukyopon_cd;
 CFATTACH_DECL_NEW(ukyopon, sizeof(struct ukyopon_softc), ukyopon_match,
     ukyopon_attach, ukyopon_detach, ukyopon_activate);
 
-int
+static int
 ukyopon_match(device_t parent, cfdata_t match, void *aux)
 {
        struct usbif_attach_arg *uiaa = aux;
@@ -120,7 +124,7 @@
        return UMATCH_NONE;
 }
 
-void
+static void
 ukyopon_attach(device_t parent, device_t self, void *aux)
 {
        struct ukyopon_softc *sc = device_private(self);
@@ -138,7 +142,7 @@
        return;
 }
 
-Static void
+static void
 ukyopon_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
 {
        struct ukyopon_softc *sc = addr;
@@ -153,7 +157,40 @@
        umodem_get_status(addr, portno, lsr, msr);
 }
 
-Static int
+static void
+ukyopon_set(void *addr, int portno, int reg, int onoff)
+{
+       struct ukyopon_softc *sc = addr;
+
+       umodem_set(&sc->sc_umodem, portno, reg, onoff);
+}
+
+static int
+ukyopon_param(void *addr, int portno, struct termios *t)
+{
+       struct ukyopon_softc *sc = addr;
+
+       return umodem_param(&sc->sc_umodem, portno, t);
+}
+
+static int
+ukyopon_open(void *addr, int portno)
+{
+       struct ukyopon_softc *sc = addr;
+
+       return umodem_open(&sc->sc_umodem, portno);
+}
+
+static void
+ukyopon_close(void *addr, int portno)
+{
+       struct ukyopon_softc *sc = addr;
+
+       umodem_close(&sc->sc_umodem, portno);
+}
+
+
+static int
 ukyopon_ioctl(void *addr, int portno, u_long cmd, void *data, int flag,
              proc_t *p)
 {