static void __init of_at91sam9x5_clk_usb_setup(struct device_node *np)
{
struct clk *clk;
- int num_parents;
+ unsigned int num_parents;
const char *parent_names[USB_SOURCE_MAX];
const char *name = np->name;
struct regmap *regmap;
num_parents = of_clk_get_parent_count(np);
- if (num_parents <= 0 || num_parents > USB_SOURCE_MAX)
+ if (num_parents == 0 || num_parents > USB_SOURCE_MAX)
return;
of_clk_parent_fill(np, parent_names, num_parents);