| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Thu, 2 Feb 2023 16:54:28 +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 02/22] rtc: pm8xxx: drop spmi error messages
Drop the unnecessary error messages after every spmi regmap access,
which are not expected to fail.
Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
drivers/rtc/rtc-pm8xxx.c | 71 ++++++++++------------------------------
1 file changed, 17 insertions(+), 54 deletions(-)
diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c
index d114f0da537d..f49bda999e02 100644
--- a/drivers/rtc/rtc-pm8xxx.c
+++ b/drivers/rtc/rtc-pm8xxx.c
@@ -105,10 +105,8 @@ static int pm8xxx_rtc_set_time(struct device *dev, struct rtc_time *tm)
alarm_enabled = 1;
ctrl_reg &= ~regs->alarm_en;
rc = regmap_write(rtc_dd->regmap, regs->alarm_ctrl, ctrl_reg);
- if (rc) {
- dev_err(dev, "Write to RTC Alarm control register failed\n");
+ if (rc)
goto rtc_rw_fail;
- }
}
/* Disable RTC H/w before writing on RTC register */
@@ -120,51 +118,39 @@ static int pm8xxx_rtc_set_time(struct device *dev, struct rtc_time *tm)
rtc_disabled = 1;
rtc_ctrl_reg &= ~PM8xxx_RTC_ENABLE;
rc = regmap_write(rtc_dd->regmap, regs->ctrl, rtc_ctrl_reg);
- if (rc) {
- dev_err(dev, "Write to RTC control register failed\n");
+ if (rc)
goto rtc_rw_fail;
- }
}
/* Write 0 to Byte[0] */
rc = regmap_write(rtc_dd->regmap, regs->write, 0);
- if (rc) {
- dev_err(dev, "Write to RTC write data register failed\n");
+ if (rc)
goto rtc_rw_fail;
- }
/* Write Byte[1], Byte[2], Byte[3] */
rc = regmap_bulk_write(rtc_dd->regmap, regs->write + 1,
&value[1], sizeof(value) - 1);
- if (rc) {
- dev_err(dev, "Write to RTC write data register failed\n");
+ if (rc)
goto rtc_rw_fail;
- }
/* Write Byte[0] */
rc = regmap_write(rtc_dd->regmap, regs->write, value[0]);
- if (rc) {
- dev_err(dev, "Write to RTC write data register failed\n");
+ if (rc)
goto rtc_rw_fail;
- }
/* Enable RTC H/w after writing on RTC register */
if (rtc_disabled) {
rtc_ctrl_reg |= PM8xxx_RTC_ENABLE;
rc = regmap_write(rtc_dd->regmap, regs->ctrl, rtc_ctrl_reg);
- if (rc) {
- dev_err(dev, "Write to RTC control register failed\n");
+ if (rc)
goto rtc_rw_fail;
- }
}
if (alarm_enabled) {
ctrl_reg |= regs->alarm_en;
rc = regmap_write(rtc_dd->regmap, regs->alarm_ctrl, ctrl_reg);
- if (rc) {
- dev_err(dev, "Write to RTC Alarm control register failed\n");
+ if (rc)
goto rtc_rw_fail;
- }
}
rtc_rw_fail:
@@ -183,28 +169,22 @@ static int pm8xxx_rtc_read_time(struct device *dev, struct rtc_time *tm)
const struct pm8xxx_rtc_regs *regs = rtc_dd->regs;
rc = regmap_bulk_read(rtc_dd->regmap, regs->read, value, sizeof(value));
- if (rc) {
- dev_err(dev, "RTC read data register failed\n");
+ if (rc)
return rc;
- }
/*
* Read the LSB again and check if there has been a carry over.
* If there is, redo the read operation.
*/
rc = regmap_read(rtc_dd->regmap, regs->read, ®);
- if (rc < 0) {
- dev_err(dev, "RTC read data register failed\n");
+ if (rc < 0)
return rc;
- }
if (unlikely(reg < value[0])) {
rc = regmap_bulk_read(rtc_dd->regmap, regs->read,
value, sizeof(value));
- if (rc) {
- dev_err(dev, "RTC read data register failed\n");
+ if (rc)
return rc;
- }
}
secs = value[0] | (value[1] << 8) | (value[2] << 16) |
@@ -241,10 +221,8 @@ static int pm8xxx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
rc = regmap_bulk_write(rtc_dd->regmap, regs->alarm_rw, value,
sizeof(value));
- if (rc) {
- dev_err(dev, "Write to RTC ALARM register failed\n");
+ if (rc)
goto rtc_rw_fail;
- }
if (alarm->enabled) {
rc = regmap_update_bits(rtc_dd->regmap, regs->alarm_ctrl,
@@ -271,10 +249,8 @@ static int pm8xxx_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
rc = regmap_bulk_read(rtc_dd->regmap, regs->alarm_rw, value,
sizeof(value));
- if (rc) {
- dev_err(dev, "RTC alarm time read failed\n");
+ if (rc)
return rc;
- }
secs = value[0] | (value[1] << 8) | (value[2] << 16) |
((unsigned long)value[3] << 24);
@@ -282,10 +258,9 @@ static int pm8xxx_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
rtc_time64_to_tm(secs, &alarm->time);
rc = regmap_read(rtc_dd->regmap, regs->alarm_ctrl, &ctrl_reg);
- if (rc) {
- dev_err(dev, "Read from RTC alarm control register failed\n");
+ if (rc)
return rc;
- }
+
alarm->enabled = !!(ctrl_reg & PM8xxx_RTC_ALARM_ENABLE);
dev_dbg(dev, "Alarm set for - h:m:s=%ptRt, y-m-d=%ptRdr\n",
@@ -315,19 +290,15 @@ static int pm8xxx_rtc_alarm_irq_enable(struct device *dev, unsigned int enable)
ctrl_reg &= ~regs->alarm_en;
rc = regmap_write(rtc_dd->regmap, regs->alarm_ctrl, ctrl_reg);
- if (rc) {
- dev_err(dev, "Write to RTC control register failed\n");
+ if (rc)
goto rtc_rw_fail;
- }
/* Clear Alarm register */
if (!enable) {
rc = regmap_bulk_write(rtc_dd->regmap, regs->alarm_rw, value,
sizeof(value));
- if (rc) {
- dev_err(dev, "Clear RTC ALARM register failed\n");
+ if (rc)
goto rtc_rw_fail;
- }
}
rtc_rw_fail:
@@ -366,8 +337,6 @@ static irqreturn_t pm8xxx_alarm_trigger(int irq, void *dev_id)
rc = regmap_write(rtc_dd->regmap, regs->alarm_ctrl, ctrl_reg);
if (rc) {
spin_unlock(&rtc_dd->ctrl_reg_lock);
- dev_err(rtc_dd->rtc_dev,
- "Write to alarm control register failed\n");
goto rtc_alarm_handled;
}
@@ -375,17 +344,11 @@ static irqreturn_t pm8xxx_alarm_trigger(int irq, void *dev_id)
/* Clear RTC alarm register */
rc = regmap_read(rtc_dd->regmap, regs->alarm_ctrl2, &ctrl_reg);
- if (rc) {
- dev_err(rtc_dd->rtc_dev,
- "RTC Alarm control2 register read failed\n");
+ if (rc)
goto rtc_alarm_handled;
- }
ctrl_reg |= PM8xxx_RTC_ALARM_CLEAR;
rc = regmap_write(rtc_dd->regmap, regs->alarm_ctrl2, ctrl_reg);
- if (rc)
- dev_err(rtc_dd->rtc_dev,
- "Write to RTC Alarm control2 register failed\n");
rtc_alarm_handled:
return IRQ_HANDLED;
--
2.39.1
Powered by blists - more mailing lists