projects/linux·commit 61df3337

rtc-vr41xx: fix do_div() warning

61df3337 · Yoichi Yuasa <[email protected]> · 2009-11-11 14:26:48 -08:00

drivers/rtc/rtc-vr41xx.c: In function 'vr41xx_rtc_irq_set_freq':
drivers/rtc/rtc-vr41xx.c:217: warning: comparison of distinct pointer types lacks a cast
drivers/rtc/rtc-vr41xx.c:217: warning: right shift count >= width of type
drivers/rtc/rtc-vr41xx.c:217: warning: passing argument 1 of '__div64_32' from incompatible pointer type
include/asm-generic/div64.h:35: note: expected 'uint64_t *' but argument is of type 'long unsigned int *'

Signed-off-by: Yoichi Yuasa <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: Paul Gortmaker <[email protected]>
Cc: Paul Mundt <[email protected]>
Cc: David Brownell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Commit
61df33370c52633b47d794f5e024eb15ca9a2efe
Parents
fc63cf23

Changes

1 files changed · +4 −5

FileStatusAddDelContent
drivers/rtc/rtc-vr41xx.cmodified+4−5View file

drivers/rtc/rtc-vr41xx.c

View file
diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index 2c839d0..fadddac 100644
--- a/drivers/rtc/rtc-vr41xx.c
+++ b/drivers/rtc/rtc-vr41xx.c
@@ -209,19 +209,18 @@ static int vr41xx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *wkalrm)
static int vr41xx_rtc_irq_set_freq(struct device *dev, int freq)
{
- unsigned long count;
+ u64 count;
if (!is_power_of_2(freq))
return -EINVAL;
count = RTC_FREQUENCY;
do_div(count, freq);
- periodic_count = count;
-
spin_lock_irq(&rtc_lock);
- rtc1_write(RTCL1LREG, count);
- rtc1_write(RTCL1HREG, count >> 16);
+ periodic_count = count;
+ rtc1_write(RTCL1LREG, periodic_count);
+ rtc1_write(RTCL1HREG, periodic_count >> 16);
spin_unlock_irq(&rtc_lock);