[PATCH 3/8] rtc: ds1685: remove set but unused variables

From: Alexandre Belloni
Date: Fri Nov 22 2019 - 05:23:06 EST


Fix the following warnings:
drivers/rtc/rtc-ds1685.c: In function âds1685_rtc_read_timeâ:
drivers/rtc/rtc-ds1685.c:264:5: warning: variable âctrlbâ set but not used [-Wunused-but-set-variable]
264 | u8 ctrlb, century;
| ^~~~~
drivers/rtc/rtc-ds1685.c: In function âds1685_rtc_procâ:
drivers/rtc/rtc-ds1685.c:758:19: warning: variable âctrlcâ set but not used [-Wunused-but-set-variable]
758 | u8 ctrla, ctrlb, ctrlc, ctrld, ctrl4a, ctrl4b, ssn[8];
| ^~~~~
Cc: Joshua Kinard <kumba@xxxxxxxxxx>
Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
---
drivers/rtc/rtc-ds1685.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/rtc/rtc-ds1685.c b/drivers/rtc/rtc-ds1685.c
index 98d06b3ee913..8419595e7da7 100644
--- a/drivers/rtc/rtc-ds1685.c
+++ b/drivers/rtc/rtc-ds1685.c
@@ -261,7 +261,7 @@ static int
ds1685_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
struct ds1685_priv *rtc = dev_get_drvdata(dev);
- u8 ctrlb, century;
+ u8 century;
u8 seconds, minutes, hours, wday, mday, month, years;

/* Fetch the time info from the RTC registers. */
@@ -274,7 +274,6 @@ ds1685_rtc_read_time(struct device *dev, struct rtc_time *tm)
month = rtc->read(rtc, RTC_MONTH);
years = rtc->read(rtc, RTC_YEAR);
century = rtc->read(rtc, RTC_CENTURY);
- ctrlb = rtc->read(rtc, RTC_CTRL_B);
ds1685_rtc_end_data_access(rtc);

/* bcd2bin if needed, perform fixups, and store to rtc_time. */
@@ -755,7 +754,7 @@ static int
ds1685_rtc_proc(struct device *dev, struct seq_file *seq)
{
struct ds1685_priv *rtc = dev_get_drvdata(dev);
- u8 ctrla, ctrlb, ctrlc, ctrld, ctrl4a, ctrl4b, ssn[8];
+ u8 ctrla, ctrlb, ctrld, ctrl4a, ctrl4b, ssn[8];
char *model;

/* Read all the relevant data from the control registers. */
@@ -763,7 +762,6 @@ ds1685_rtc_proc(struct device *dev, struct seq_file *seq)
ds1685_rtc_get_ssn(rtc, ssn);
ctrla = rtc->read(rtc, RTC_CTRL_A);
ctrlb = rtc->read(rtc, RTC_CTRL_B);
- ctrlc = rtc->read(rtc, RTC_CTRL_C);
ctrld = rtc->read(rtc, RTC_CTRL_D);
ctrl4a = rtc->read(rtc, RTC_EXT_CTRL_4A);
ctrl4b = rtc->read(rtc, RTC_EXT_CTRL_4B);
--
2.23.0