1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
index 96332f19e775..dd262f00295d 100644
--- a/drivers/gpio/gpio-davinci.c
+++ b/drivers/gpio/gpio-davinci.c
@@ -195,7 +195,7 @@ static int davinci_gpio_of_xlate(struct gpio_chip *gc,
 static int davinci_gpio_probe(struct platform_device *pdev)
 {
         int i, base;
-        unsigned ngpio;
+        unsigned ngpio, nbank;
         struct davinci_gpio_controller *chips;
         struct davinci_gpio_platform_data *pdata;
         struct davinci_gpio_regs __iomem *regs;
@@ -224,8 +224,9 @@ static int davinci_gpio_probe(struct platform_device *pdev)
         if (WARN_ON(ARCH_NR_GPIOS < ngpio))
                 ngpio = ARCH_NR_GPIOS;
 
+        nbank = DIV_ROUND_UP(ngpio, 32);
         chips = devm_kzalloc(dev,
-                             ngpio * sizeof(struct davinci_gpio_controller),
+                             nbank * sizeof(struct davinci_gpio_controller),
                              GFP_KERNEL);
         if (!chips)
                 return -ENOMEM;
@@ -512,7 +513,7 @@ static int davinci_gpio_irq_setup(struct platform_device *pdev)
                         return irq;
                 }
 
-                irq_domain = irq_domain_add_legacy(NULL, ngpio, irq, 0,
+                irq_domain = irq_domain_add_legacy(dev->of_node, ngpio, irq, 0,
                                                         &davinci_gpio_irq_ops,
                                                         chips);
                 if (!irq_domain) {