[src/trunk]: src/sys/dev/i2c Remove unused variables

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

details:   https://anonhg.NetBSD.org/src/rev/bcb538052b2b
branches:  trunk
changeset: 789905:bcb538052b2b
user:      martin <martin%NetBSD.org@localhost>
date:      Thu Sep 12 19:46:31 2013 +0000

description:
Remove unused variables

diffstat:

 sys/dev/i2c/dbcool.c |  17 ++++++++---------
 1 files changed, 8 insertions(+), 9 deletions(-)

diffs (70 lines):

diff -r 4ed738c6790e -r bcb538052b2b sys/dev/i2c/dbcool.c
--- a/sys/dev/i2c/dbcool.c      Thu Sep 12 19:38:59 2013 +0000
+++ b/sys/dev/i2c/dbcool.c      Thu Sep 12 19:46:31 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: dbcool.c,v 1.38 2012/06/02 21:36:44 dsl Exp $ */
+/*     $NetBSD: dbcool.c,v 1.39 2013/09/12 19:46:31 martin Exp $ */
 
 /*-
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -50,7 +50,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dbcool.c,v 1.38 2012/06/02 21:36:44 dsl Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dbcool.c,v 1.39 2013/09/12 19:46:31 martin Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -836,21 +836,20 @@
        return true;
 }
 
-/* On resume, we restore the previous state of the SHDN bit */
+/* On resume, we restore the previous state of the SHDN bit (which
+   we saved in sc_suspend) */
 bool dbcool_pmf_resume(device_t dev, const pmf_qual_t *qual)
 {
        struct dbcool_softc *sc = device_private(dev);
-       uint8_t reg, bit, cfg;
+       uint8_t reg, cfg;
 
        if ((sc->sc_dc.dc_chip->flags & DBCFLAG_HAS_SHDN) == 0)
                return true;
  
        if (sc->sc_dc.dc_chip->flags & DBCFLAG_ADT7466) {
                reg = DBCOOL_ADT7466_CONFIG2;
-               bit = DBCOOL_ADT7466_CFG2_SHDN;
        } else {
                reg = DBCOOL_CONFIG2_REG;
-               bit = DBCOOL_CFG2_SHDN;
        }
        cfg = sc->sc_dc.dc_readreg(&sc->sc_dc, reg);
        cfg &= ~sc->sc_suspend;
@@ -1752,7 +1751,7 @@
 static void
 dbcool_setup_controllers(struct dbcool_softc *sc)
 {
-       int i, j, ret, rw_flag;
+       int i, j, rw_flag;
        uint8_t sysctl_reg;
        struct chip_id *chip = sc->sc_dc.dc_chip;
        const struct sysctlnode *me2 = NULL;
@@ -1761,7 +1760,7 @@
 
        for (i = 0; chip->power[i].desc != NULL; i++) {
                snprintf(name, sizeof(name), "fan_ctl_%d", i);
-               ret = sysctl_createv(&sc->sc_sysctl_log, 0, NULL, &me2,
+               sysctl_createv(&sc->sc_sysctl_log, 0, NULL, &me2,
                       CTLFLAG_READWRITE | CTLFLAG_OWNDESC,
                       CTLTYPE_NODE, name, NULL,
                       NULL, 0, NULL, 0,
@@ -1779,7 +1778,7 @@
                                rw_flag = CTLFLAG_READONLY | CTLFLAG_OWNDESC;
                        else
                                rw_flag = CTLFLAG_READWRITE | CTLFLAG_OWNDESC;
-                       ret = (sysctl_createv)(&sc->sc_sysctl_log, 0, NULL,
+                       (sysctl_createv)(&sc->sc_sysctl_log, 0, NULL,
                                &node, rw_flag,
                                (j == DBC_PWM_BEHAVIOR)?
                                        CTLTYPE_STRING:CTLTYPE_INT,