1 files changed, 12 insertions, 16 deletions

diff --git a/drivers/gpio/gpio-mb86s7x.c b/drivers/gpio/gpio-mb86s7x.c
index 501e89548f53..37c5363e391e 100644
--- a/drivers/gpio/gpio-mb86s7x.c
+++ b/drivers/gpio/gpio-mb86s7x.c
@@ -145,7 +145,9 @@ static int mb86s70_gpio_to_irq(struct gpio_chip *gc, unsigned int offset)
 
 	for (index = 0;; index++) {
 		irq = platform_get_irq(to_platform_device(gc->parent), index);
-		if (irq <= 0)
+		if (irq < 0)
+			return irq;
+		if (irq == 0)
 			break;
 		if (irq_get_irq_data(irq)->hwirq == offset)
 			return irq;
@@ -168,15 +170,13 @@ static int mb86s70_gpio_probe(struct platform_device *pdev)
 	if (IS_ERR(gchip->base))
 		return PTR_ERR(gchip->base);
 
-	if (!has_acpi_companion(&pdev->dev)) {
-		gchip->clk = devm_clk_get(&pdev->dev, NULL);
-		if (IS_ERR(gchip->clk))
-			return PTR_ERR(gchip->clk);
+	gchip->clk = devm_clk_get_optional(&pdev->dev, NULL);
+	if (IS_ERR(gchip->clk))
+		return PTR_ERR(gchip->clk);
 
-		ret = clk_prepare_enable(gchip->clk);
-		if (ret)
-			return ret;
-	}
+	ret = clk_prepare_enable(gchip->clk);
+	if (ret)
+		return ret;
 
 	spin_lock_init(&gchip->lock);
 
@@ -186,15 +186,13 @@ static int mb86s70_gpio_probe(struct platform_device *pdev)
 	gchip->gc.free = mb86s70_gpio_free;
 	gchip->gc.get = mb86s70_gpio_get;
 	gchip->gc.set = mb86s70_gpio_set;
+	gchip->gc.to_irq = mb86s70_gpio_to_irq;
 	gchip->gc.label = dev_name(&pdev->dev);
 	gchip->gc.ngpio = 32;
 	gchip->gc.owner = THIS_MODULE;
 	gchip->gc.parent = &pdev->dev;
 	gchip->gc.base = -1;
 
-	if (has_acpi_companion(&pdev->dev))
-		gchip->gc.to_irq = mb86s70_gpio_to_irq;
-
 	ret = gpiochip_add_data(&gchip->gc, gchip);
 	if (ret) {
 		dev_err(&pdev->dev, "couldn't register gpio driver\n");
@@ -202,8 +200,7 @@ static int mb86s70_gpio_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	if (has_acpi_companion(&pdev->dev))
-		acpi_gpiochip_request_interrupts(&gchip->gc);
+	acpi_gpiochip_request_interrupts(&gchip->gc);
 
 	return 0;
 }
@@ -212,8 +209,7 @@ static int mb86s70_gpio_remove(struct platform_device *pdev)
 {
 	struct mb86s70_gpio_chip *gchip = platform_get_drvdata(pdev);
 
-	if (has_acpi_companion(&pdev->dev))
-		acpi_gpiochip_free_interrupts(&gchip->gc);
+	acpi_gpiochip_free_interrupts(&gchip->gc);
 	gpiochip_remove(&gchip->gc);
 	clk_disable_unprepare(gchip->clk);