spi: bcm-qspi: Make bcm_qspi_remove() return void

The function bcm_qspi_remove() returns zero unconditionally. Make it
return void.

This is a preparation for making platform remove callbacks return void.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20221017200143.1426528-1-u.kleine-koenig@pengutronix.deSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-bcm-qspi.c

@@ -1682,7 +1682,7 @@ int bcm_qspi_probe(struct platform_device *pdev,
 /* probe function to be called by SoC specific platform driver probe */
 EXPORT_SYMBOL_GPL(bcm_qspi_probe);
 
-int bcm_qspi_remove(struct platform_device *pdev)
+void bcm_qspi_remove(struct platform_device *pdev)
 {
 	struct bcm_qspi *qspi = platform_get_drvdata(pdev);
 
@@ -1690,9 +1690,8 @@ int bcm_qspi_remove(struct platform_device *pdev)
 	bcm_qspi_hw_uninit(qspi);
 	clk_disable_unprepare(qspi->clk);
 	kfree(qspi->dev_ids);
-
-	return 0;
 }
+
 /* function to be called by SoC specific platform driver remove() */
 EXPORT_SYMBOL_GPL(bcm_qspi_remove);
 

drivers/spi/spi-bcm-qspi.h

@@ -96,7 +96,7 @@ static inline u32 get_qspi_mask(int type)
 /* The common driver functions to be called by the SoC platform driver */
 int bcm_qspi_probe(struct platform_device *pdev,
 		   struct bcm_qspi_soc_intc *soc_intc);
-int bcm_qspi_remove(struct platform_device *pdev);
+void bcm_qspi_remove(struct platform_device *pdev);
 
 /* pm_ops used by the SoC platform driver called on PM suspend/resume */
 extern const struct dev_pm_ops bcm_qspi_pm_ops;

drivers/spi/spi-brcmstb-qspi.c

@@ -23,7 +23,9 @@ static int brcmstb_qspi_probe(struct platform_device *pdev)
 
 static int brcmstb_qspi_remove(struct platform_device *pdev)
 {
-	return bcm_qspi_remove(pdev);
+	bcm_qspi_remove(pdev);
+
+	return 0;
 }
 
 static struct platform_driver brcmstb_qspi_driver = {

drivers/spi/spi-iproc-qspi.c

@@ -129,7 +129,9 @@ static int bcm_iproc_probe(struct platform_device *pdev)
 
 static int bcm_iproc_remove(struct platform_device *pdev)
 {
-	return bcm_qspi_remove(pdev);
+	bcm_qspi_remove(pdev);
+
+	return 0;
 }
 
 static const struct of_device_id bcm_iproc_of_match[] = {