gpio: zynq_gpio: bank description should use unsigned type

Use u32 instead of int for max_bank, bank_min and bank_max. These values
can't be negative that's why no reason to use signed type.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/drivers/gpio/zynq_gpio.c b/drivers/gpio/zynq_gpio.c
index 442ba196cae000c7f8e82fe9933aa15a918f225c..8d84e3fc1313e5147888003515fd156393add31b 100644 (file)
--- a/drivers/gpio/zynq_gpio.c
+++ b/drivers/gpio/zynq_gpio.c
@@ -111,9 +111,9 @@ struct zynq_gpio_privdata {
 struct zynq_platform_data {
        const char *label;
        u16 ngpio;
-       int max_bank;
-       int bank_min[ZYNQMP_GPIO_MAX_BANK];
-       int bank_max[ZYNQMP_GPIO_MAX_BANK];
+       u32 max_bank;
+       u32 bank_min[ZYNQMP_GPIO_MAX_BANK];
+       u32 bank_max[ZYNQMP_GPIO_MAX_BANK];
 };
 
 static const struct zynq_platform_data zynqmp_gpio_def = {
@@ -165,7 +165,7 @@ static inline void zynq_gpio_get_bank_pin(unsigned int pin_num,
                                          struct udevice *dev)
 {
        struct zynq_gpio_privdata *priv = dev_get_priv(dev);
-       int bank;
+       u32 bank;
 
        for (bank = 0; bank < priv->p_data->max_bank; bank++) {
                if ((pin_num >= priv->p_data->bank_min[bank]) &&