const char * const *parent_names, u8 num_parents,
unsigned gpio, bool active_low)
{
- return clk_register_gpio_gate(NULL, name, parent_names[0],
- gpio, active_low, 0);
+ return clk_register_gpio_gate(NULL, name, parent_names ?
+ parent_names[0] : NULL, gpio, active_low, 0);
}
static struct clk *of_clk_gpio_mux_delayed_register_get(const char *name,
const char **parent_names;
int i, num_parents;
- data = kzalloc(sizeof(*data), GFP_KERNEL);
- if (!data)
- return;
-
num_parents = of_clk_get_parent_count(node);
+ if (num_parents < 0)
+ return;
- parent_names = kcalloc(num_parents, sizeof(char *), GFP_KERNEL);
- if (!parent_names)
+ data = kzalloc(sizeof(*data), GFP_KERNEL);
+ if (!data)
return;
- for (i = 0; i < num_parents; i++)
- parent_names[i] = of_clk_get_parent_name(node, i);
+ if (num_parents) {
+ parent_names = kcalloc(num_parents, sizeof(char *), GFP_KERNEL);
+ if (!parent_names) {
+ kfree(data);
+ return;
+ }
+
+ for (i = 0; i < num_parents; i++)
+ parent_names[i] = of_clk_get_parent_name(node, i);
+ } else {
+ parent_names = NULL;
+ }
data->num_parents = num_parents;
data->parent_names = parent_names;