xenstore: *sleep(9) -> *sleep_nsec(9)

[Scott Cheloha]

The unit here is seconds.  Just convert and use the appropriate
interface.

The >> operator is of a lower precedence than the * operator in C, so
this doesn't change the duration.... though I had to double-check
that.

ok?

Index: pv/xenstore.c
===================================================================
RCS file: /cvs/src/sys/dev/pv/xenstore.c,v
retrieving revision 1.44
diff -u -p -r1.44 xenstore.c
--- pv/xenstore.c       10 Aug 2017 18:14:56 -0000      1.44
+++ pv/xenstore.c       11 Jan 2020 00:01:24 -0000
@@ -298,8 +298,8 @@ xs_get_msg(struct xs_softc *xs, int wait
                        delay(XST_DELAY * 1000 >> 2);
                        mtx_enter(&xs->xs_frqlck);
                } else
-                       msleep(chan, &xs->xs_frqlck, PRIBIO, chan,
-                           XST_DELAY * hz >> 2);
+                       msleep_nsec(chan, &xs->xs_frqlck, PRIBIO, chan,
+                           SEC_TO_NSEC(XST_DELAY) >> 2);
        }
        mtx_leave(&xs->xs_frqlck);
        return (xsm);
@@ -345,8 +345,10 @@ xs_poll(struct xs_softc *xs, int nosleep
                s = splnet();
                xs_intr(xs);
                splx(s);
-       } else
-               tsleep(xs->xs_wchan, PRIBIO, xs->xs_wchan, XST_DELAY * hz >> 2);
+       } else {
+               tsleep_nsec(xs->xs_wchan, PRIBIO, xs->xs_wchan,
+                   SEC_TO_NSEC(XST_DELAY) >> 2);
+       }
 }
 
 int
@@ -444,8 +446,8 @@ xs_reply(struct xs_transaction *xst, uin
                        splx(s);
                        mtx_enter(&xs->xs_rsplck);
                } else
-                       msleep(xs->xs_rchan, &xs->xs_rsplck, PRIBIO,
-                           xs->xs_rchan, XST_DELAY * hz >> 2);
+                       msleep_nsec(xs->xs_rchan, &xs->xs_rsplck, PRIBIO,
+                           xs->xs_rchan, SEC_TO_NSEC(XST_DELAY) >> 2);
        }
        mtx_leave(&xs->xs_rsplck);
        return (xsm);