linux-kernel - [PATCH 4.14 10/14] rtc: m41t80: m41t80_sqw_set

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Date:   Thu,  4 Jan 2018 13:09:27 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Troy Kisky <troy.kisky@...ndarydevices.com>,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
        Christoph Fritz <chf.fritz@...glemail.com>
Subject: [PATCH 4.14 10/14] rtc: m41t80: m41t80_sqw_set_rate should return 0 on success

4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Troy Kisky <troy.kisky@...ndarydevices.com>

commit de6042d2fa8afe22b76e3c68fd6e9584c9415a3b upstream.

Previously it was returning -EINVAL upon success.

Signed-off-by: Troy Kisky <troy.kisky@...ndarydevices.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Cc: Christoph Fritz <chf.fritz@...glemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/rtc/rtc-m41t80.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -510,10 +510,7 @@ static int m41t80_sqw_set_rate(struct cl
 	reg = (reg & 0x0f) | (val << 4);
 
 	ret = i2c_smbus_write_byte_data(client, reg_sqw, reg);
-	if (ret < 0)
-		return ret;
-
-	return -EINVAL;
+	return ret;
 }
 
 static int m41t80_sqw_control(struct clk_hw *hw, bool enable)