linux-kernel - [PATCH 07/16] rtc: rv3029: simplify rv3029_alarm_irq

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Message-Id: <20191214221022.622482-8-alexandre.belloni@bootlin.com>
Date:   Sat, 14 Dec 2019 23:10:13 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     linux-rtc@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH 07/16] rtc: rv3029: simplify rv3029_alarm_irq_enable

Use regmap_update_bits instead of open coding it in
rv3029_alarm_irq_enable.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 drivers/rtc/rtc-rv3029c2.c | 25 ++++---------------------
 1 file changed, 4 insertions(+), 21 deletions(-)

diff --git a/drivers/rtc/rtc-rv3029c2.c b/drivers/rtc/rtc-rv3029c2.c
index f92fbb4db173..468542e98294 100644
--- a/drivers/rtc/rtc-rv3029c2.c
+++ b/drivers/rtc/rtc-rv3029c2.c
@@ -399,28 +399,11 @@ static int rv3029_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 
 static int rv3029_alarm_irq_enable(struct device *dev, unsigned int enable)
 {
-	int ret;
-	u8 controls;
-
-	ret = rv3029_read_regs(dev, RV3029_IRQ_CTRL, &controls, 1);
-	if (ret < 0) {
-		dev_warn(dev, "Read IRQ Control Register error %d\n", ret);
-		return ret;
-	}
-
-	/* enable/disable AIE irq */
-	if (enable)
-		controls |= RV3029_IRQ_CTRL_AIE;
-	else
-		controls &= ~RV3029_IRQ_CTRL_AIE;
-
-	ret = rv3029_write_regs(dev, RV3029_IRQ_CTRL, &controls, 1);
-	if (ret < 0) {
-		dev_err(dev, "can't update INT reg\n");
-		return ret;
-	}
+	struct rv3029_data *rv3029 = dev_get_drvdata(dev);
 
-	return 0;
+	return regmap_update_bits(rv3029->regmap, RV3029_IRQ_CTRL,
+				  RV3029_IRQ_CTRL_AIE,
+				  enable ? RV3029_IRQ_CTRL_AIE : 0);
 }
 
 static int rv3029_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
-- 
2.23.0