linux-kernel - [PATCH v2 12/22] rtc: pm8xxx: use u32 for timestamps

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Date:   Thu,  2 Feb 2023 16:54:38 +0100
From:   Johan Hovold <johan+linaro@...nel.org>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Bjorn Andersson <andersson@...nel.org>
Cc:     Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Maximilian Luz <luzmaximilian@...il.com>,
        linux-arm-msm@...r.kernel.org, linux-rtc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Johan Hovold <johan+linaro@...nel.org>
Subject: [PATCH v2 12/22] rtc: pm8xxx: use u32 for timestamps

The PMIC RTC registers are 32-bit so explicitly use u32 rather than
unsigned long for timestamps to reflect the hardware.

This will also help avoid unintentional range extensions when adding
support for managing an external offset.

Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
 drivers/rtc/rtc-pm8xxx.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c
index 8a94a19e0d14..b1ce246c501a 100644
--- a/drivers/rtc/rtc-pm8xxx.c
+++ b/drivers/rtc/rtc-pm8xxx.c
@@ -74,7 +74,7 @@ static int pm8xxx_rtc_set_time(struct device *dev, struct rtc_time *tm)
 	const struct pm8xxx_rtc_regs *regs = rtc_dd->regs;
 	u8 value[NUM_8_BIT_RTC_REGS];
 	bool alarm_enabled;
-	unsigned long secs;
+	u32 secs;
 	int rc;
 
 	if (!rtc_dd->allow_set_time)
@@ -83,7 +83,7 @@ static int pm8xxx_rtc_set_time(struct device *dev, struct rtc_time *tm)
 	secs = rtc_tm_to_time64(tm);
 	put_unaligned_le32(secs, value);
 
-	dev_dbg(dev, "set time: %ptRd %ptRt (%lu)\n", tm, tm, secs);
+	dev_dbg(dev, "set time: %ptRd %ptRt (%u)\n", tm, tm, secs);
 
 	rc = regmap_update_bits_check(rtc_dd->regmap, regs->alarm_ctrl,
 				      regs->alarm_en, 0, &alarm_enabled);
@@ -131,10 +131,10 @@ static int pm8xxx_rtc_read_time(struct device *dev, struct rtc_time *tm)
 {
 	int rc;
 	u8 value[NUM_8_BIT_RTC_REGS];
-	unsigned long secs;
 	unsigned int reg;
 	struct pm8xxx_rtc *rtc_dd = dev_get_drvdata(dev);
 	const struct pm8xxx_rtc_regs *regs = rtc_dd->regs;
+	u32 secs;
 
 	rc = regmap_bulk_read(rtc_dd->regmap, regs->read, value, sizeof(value));
 	if (rc)
@@ -158,7 +158,7 @@ static int pm8xxx_rtc_read_time(struct device *dev, struct rtc_time *tm)
 	secs = get_unaligned_le32(value);
 	rtc_time64_to_tm(secs, tm);
 
-	dev_dbg(dev, "read time: %ptRd %ptRt (%lu)\n", tm, tm, secs);
+	dev_dbg(dev, "read time: %ptRd %ptRt (%u)\n", tm, tm, secs);
 
 	return 0;
 }
@@ -168,7 +168,7 @@ static int pm8xxx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 	u8 value[NUM_8_BIT_RTC_REGS];
 	struct pm8xxx_rtc *rtc_dd = dev_get_drvdata(dev);
 	const struct pm8xxx_rtc_regs *regs = rtc_dd->regs;
-	unsigned long secs;
+	u32 secs;
 	int rc;
 
 	secs = rtc_tm_to_time64(&alarm->time);
@@ -201,9 +201,9 @@ static int pm8xxx_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 	int rc;
 	unsigned int ctrl_reg;
 	u8 value[NUM_8_BIT_RTC_REGS];
-	unsigned long secs;
 	struct pm8xxx_rtc *rtc_dd = dev_get_drvdata(dev);
 	const struct pm8xxx_rtc_regs *regs = rtc_dd->regs;
+	u32 secs;
 
 	rc = regmap_bulk_read(rtc_dd->regmap, regs->alarm_rw, value,
 			      sizeof(value));
-- 
2.39.1