spi: atmel-quadspi: void return type for atmel_qspi_init()

commit 2d30ac5 ("mtd: spi-nor: atmel-quadspi: Use spi-mem interface for atmel-quadspi driver")
removed the error path from atmel_qspi_init(), but not changed the
function's return type. Set void return type for atmel_qspi_init().

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
[claudiu.beznea@microchip.com: adapt it to current code base]
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>

Author: ambarus

drivers/spi/atmel-quadspi.c

@@ -376,15 +376,13 @@ static int atmel_qspi_setup(struct spi_device *spi)
 	return 0;
 }
 
-static int atmel_qspi_init(struct atmel_qspi *aq)
+static void atmel_qspi_init(struct atmel_qspi *aq)
 {
 	/* Reset the QSPI controller */
 	qspi_writel(aq, QSPI_CR, QSPI_CR_SWRST);
 
 	/* Enable the QSPI controller */
 	qspi_writel(aq, QSPI_CR, QSPI_CR_QSPIEN);
-
-	return 0;
 }
 
 static irqreturn_t atmel_qspi_interrupt(int irq, void *dev_id)
@@ -475,9 +473,7 @@ static int atmel_qspi_probe(struct platform_device *pdev)
 	if (err)
 		goto disable_clk;
 
-	err = atmel_qspi_init(aq);
-	if (err)
-		goto disable_clk;
+	atmel_qspi_init(aq);
 
 	err = spi_register_controller(ctrl);
 	if (err)
@@ -519,7 +515,8 @@ static int __maybe_unused atmel_qspi_resume(struct device *dev)
 
 	clk_prepare_enable(aq->clk);
 
-	return atmel_qspi_init(aq);
+	atmel_qspi_init(aq);
+	return 0;
 }
 
 static SIMPLE_DEV_PM_OPS(atmel_qspi_pm_ops, atmel_qspi_suspend,