Module Name: src Committed By: mlelstv Date: Tue Dec 10 11:21:31 UTC 2024
Modified Files: src/sys/dev/usb: ukbd.c Log Message: We track ENABLED changes, always call uhidev_open/close as necessary. To generate a diff of this commit: cvs rdiff -u -r1.164 -r1.165 src/sys/dev/usb/ukbd.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/dev/usb/ukbd.c diff -u src/sys/dev/usb/ukbd.c:1.164 src/sys/dev/usb/ukbd.c:1.165 --- src/sys/dev/usb/ukbd.c:1.164 Sat Sep 2 17:43:16 2023 +++ src/sys/dev/usb/ukbd.c Tue Dec 10 11:21:30 2024 @@ -1,4 +1,4 @@ -/* $NetBSD: ukbd.c,v 1.164 2023/09/02 17:43:16 riastradh Exp $ */ +/* $NetBSD: ukbd.c,v 1.165 2024/12/10 11:21:30 mlelstv Exp $ */ /* * Copyright (c) 1998 The NetBSD Foundation, Inc. @@ -35,7 +35,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: ukbd.c,v 1.164 2023/09/02 17:43:16 riastradh Exp $"); +__KERNEL_RCSID(0, "$NetBSD: ukbd.c,v 1.165 2024/12/10 11:21:30 mlelstv Exp $"); #ifdef _KERNEL_OPT #include "opt_ddb.h" @@ -531,27 +531,26 @@ int ukbd_enable(void *v, int on) { struct ukbd_softc *sc = v; + int error = 0; if (on && sc->sc_dying) return EIO; - /* Should only be called to change state */ - if ((sc->sc_flags & FLAG_ENABLED) != 0 && on != 0) { -#ifdef DIAGNOSTIC - aprint_error_dev(sc->sc_dev, "bad call on=%d\n", on); -#endif - return EBUSY; - } - DPRINTF(("%s: sc=%p on=%d\n", __func__, sc, on)); if (on) { - sc->sc_flags |= FLAG_ENABLED; - return uhidev_open(sc->sc_hdev, &ukbd_intr, sc); + if ((sc->sc_flags & FLAG_ENABLED) == 0) { + error = uhidev_open(sc->sc_hdev, &ukbd_intr, sc); + if (error == 0) + sc->sc_flags |= FLAG_ENABLED; + } } else { - sc->sc_flags &= ~FLAG_ENABLED; - uhidev_close(sc->sc_hdev); - return 0; + if ((sc->sc_flags & FLAG_ENABLED) != 0) { + uhidev_close(sc->sc_hdev); + sc->sc_flags &= ~FLAG_ENABLED; + } } + + return error; }