from perry:

fixed my own pr 1758 -- the floppy drive motor was not being turned off
at halt time, especially if a floppy was mounted. Added a shutdown hook
to turn off the motor. Per a request by mycroft, the cookie from the hook
is saved in a new member I added to the fd_softc structure.

1 files changed, 4 insertions, 0 deletions

diff --git a/sys/dev/isa/fd.c b/sys/dev/isa/fd.c
index 6dc8d799112..a32d7ad0c47 100644
--- a/sys/dev/isa/fd.c
+++ b/sys/dev/isa/fd.c
@@ -167,6 +167,8 @@ struct fd_softc {
 #define	FD_MOTOR_WAIT	0x04		/* motor coming up */
 	int sc_cylin;		/* where we think the head is */
 
+	void *sc_sdhook;	/* saved shutdown hook for drive. */
+
 	TAILQ_ENTRY(fd_softc) sc_drivechain;
 	int sc_ops;		/* I/O ops since last switch */
 	struct buf sc_q;	/* head of buf chain */
@@ -408,6 +410,8 @@ fdattach(parent, self, aux)
 	/* XXX Need to do some more fiddling with sc_dk. */
 	dk_establish(&fd->sc_dk, &fd->sc_dev);
 #endif
+	/* Needed to power off if the motor is on when we halt. */
+	fd->sc_sdhook = shutdownhook_establish(fd_motor_off, fd);
 }
 
 /*