linux-kernel - [PATCH] spi: a3700: make a3700_spi

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Date:   Wed, 6 May 2020 14:19:11 +0800
From:   Jason Yan <yanaijie@...wei.com>
To:     <broonie@...nel.org>, <yanaijie@...wei.com>,
        <linux-spi@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] spi: a3700: make a3700_spi_init() return void

Fix the following coccicheck warning:

drivers/spi/spi-armada-3700.c:283:8-11: Unneeded variable: "ret". Return
"0" on line 315

Signed-off-by: Jason Yan <yanaijie@...wei.com>
---
 drivers/spi/spi-armada-3700.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/spi/spi-armada-3700.c b/drivers/spi/spi-armada-3700.c
index e450ee17787f..fcde419e480c 100644
--- a/drivers/spi/spi-armada-3700.c
+++ b/drivers/spi/spi-armada-3700.c
@@ -276,11 +276,11 @@ static int a3700_spi_fifo_flush(struct a3700_spi *a3700_spi)
 	return -ETIMEDOUT;
 }
 
-static int a3700_spi_init(struct a3700_spi *a3700_spi)
+static void a3700_spi_init(struct a3700_spi *a3700_spi)
 {
 	struct spi_master *master = a3700_spi->master;
 	u32 val;
-	int i, ret = 0;
+	int i;
 
 	/* Reset SPI unit */
 	val = spireg_read(a3700_spi, A3700_SPI_IF_CFG_REG);
@@ -311,8 +311,6 @@ static int a3700_spi_init(struct a3700_spi *a3700_spi)
 	/* Mask the interrupts and clear cause bits */
 	spireg_write(a3700_spi, A3700_SPI_INT_MASK_REG, 0);
 	spireg_write(a3700_spi, A3700_SPI_INT_STAT_REG, ~0U);
-
-	return ret;
 }
 
 static irqreturn_t a3700_spi_interrupt(int irq, void *dev_id)
@@ -886,9 +884,7 @@ static int a3700_spi_probe(struct platform_device *pdev)
 	master->min_speed_hz = DIV_ROUND_UP(clk_get_rate(spi->clk),
 						A3700_SPI_MAX_PRESCALE);
 
-	ret = a3700_spi_init(spi);
-	if (ret)
-		goto error_clk;
+	a3700_spi_init(spi);
 
 	ret = devm_request_irq(dev, spi->irq, a3700_spi_interrupt, 0,
 			       dev_name(dev), master);
-- 
2.21.1