[src/trunk]: src/sys/dev/ic Remove unused variable

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

details:   https://anonhg.NetBSD.org/src/rev/512536100933
branches:  trunk
changeset: 790013:512536100933
user:      martin <martin%NetBSD.org@localhost>
date:      Sun Sep 15 09:17:28 2013 +0000

description:
Remove unused variable

diffstat:

 sys/dev/ic/pcf8584.c |  5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diffs (20 lines):

diff -r f151264cca2f -r 512536100933 sys/dev/ic/pcf8584.c
--- a/sys/dev/ic/pcf8584.c      Sun Sep 15 09:16:21 2013 +0000
+++ b/sys/dev/ic/pcf8584.c      Sun Sep 15 09:17:28 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pcf8584.c,v 1.9 2010/04/16 18:58:39 dyoung Exp $       */
+/*     $NetBSD: pcf8584.c,v 1.10 2013/09/15 09:17:28 martin Exp $      */
 /*     $OpenBSD: pcf8584.c,v 1.9 2007/10/20 18:46:21 kettenis Exp $ */
 
 /*
@@ -266,9 +266,8 @@
 void
 pcfiic_write(struct pcfiic_softc *sc, bus_size_t r, u_int8_t v)
 {
-       volatile uint8_t junk;
        bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->sc_regmap[r], v);
-       junk = bus_space_read_1(sc->sc_iot, sc->sc_ioh, PCF_S1);
+       (void)bus_space_read_1(sc->sc_iot, sc->sc_ioh, PCF_S1);
 }
 
 void