uow(4) & tsleep

[Martin Pieuchot]

UOW_TIMEOUT is expressed in msec, so use MSEC_TO_NSEC() and tsleep_nsec(9)
instead of dereferencing `hz'.

Ok?

Index: uow.c
===================================================================
RCS file: /cvs/src/sys/dev/usb/uow.c,v
retrieving revision 1.35
diff -u -p -r1.35 uow.c
--- uow.c       6 Nov 2016 12:58:01 -0000       1.35
+++ uow.c       1 Jan 2020 14:23:19 -0000
@@ -424,8 +424,8 @@ uow_cmd(struct uow_softc *sc, int type, 
        }
 
 again:
-       if (tsleep(sc->sc_regs, PRIBIO, "uowcmd",
-           (UOW_TIMEOUT * hz) / 1000) != 0) {
+       if (tsleep_nsec(sc->sc_regs, PRIBIO, "uowcmd",
+           MSEC_TO_NSEC(UOW_TIMEOUT)) != 0) {
                printf("%s: cmd timeout, type 0x%02x, cmd 0x%04x, "
                    "param 0x%04x\n", sc->sc_dev.dv_xname, type, cmd,
                    param);