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path: root/drivers/rtc/rtc-stm32.c
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Diffstat (limited to 'drivers/rtc/rtc-stm32.c')
-rw-r--r--drivers/rtc/rtc-stm32.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/rtc/rtc-stm32.c b/drivers/rtc/rtc-stm32.c
index 03c97c1a2140..bd57eb1029e1 100644
--- a/drivers/rtc/rtc-stm32.c
+++ b/drivers/rtc/rtc-stm32.c
@@ -383,7 +383,7 @@ static int stm32_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
static int stm32_rtc_valid_alrm(struct stm32_rtc *rtc, struct rtc_time *tm)
{
- unsigned int cur_day, cur_mon, cur_year, cur_hour, cur_min, cur_sec;
+ int cur_day, cur_mon, cur_year, cur_hour, cur_min, cur_sec;
unsigned int dr = readl_relaxed(rtc->base + STM32_RTC_DR);
unsigned int tr = readl_relaxed(rtc->base + STM32_RTC_TR);
@@ -509,7 +509,7 @@ static int stm32_rtc_init(struct platform_device *pdev,
pred_a_max = STM32_RTC_PRER_PRED_A >> STM32_RTC_PRER_PRED_A_SHIFT;
pred_s_max = STM32_RTC_PRER_PRED_S >> STM32_RTC_PRER_PRED_S_SHIFT;
- for (pred_a = pred_a_max; pred_a >= 0; pred_a--) {
+ for (pred_a = pred_a_max; pred_a + 1 > 0; pred_a--) {
pred_s = (rate / (pred_a + 1)) - 1;
if (((pred_s + 1) * (pred_a + 1)) == rate)
@@ -525,7 +525,7 @@ static int stm32_rtc_init(struct platform_device *pdev,
pred_s = (rate / (pred_a + 1)) - 1;
dev_warn(&pdev->dev, "ck_rtc is %s\n",
- (rate - ((pred_a + 1) * (pred_s + 1)) < 0) ?
+ (rate < ((pred_a + 1) * (pred_s + 1))) ?
"fast" : "slow");
}