clk: gpio: Remove impossible check for of_clk_get_parent_count() < 0

The check for < 0 is impossible now that
of_clk_get_parent_count() returns an unsigned int. Simplify the
code and update the type here.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

diff --git a/drivers/clk/clk-gpio.c b/drivers/clk/clk-gpio.c
index 522bffd..08f65ac 100644 (file)
--- a/drivers/clk/clk-gpio.c
+++ b/drivers/clk/clk-gpio.c
@@ -205,15 +205,13 @@ static int gpio_clk_driver_probe(struct platform_device *pdev)
 {
        struct device_node *node = pdev->dev.of_node;
        const char **parent_names, *gpio_name;
-       int num_parents, gpio;
+       unsigned int num_parents;
+       int gpio;
        enum of_gpio_flags of_flags;
        struct clk *clk;
        bool active_low, is_mux;
 
        num_parents = of_clk_get_parent_count(node);
-       if (num_parents < 0)
-               num_parents = 0;
-
        if (num_parents) {
                parent_names = devm_kcalloc(&pdev->dev, num_parents,
                                            sizeof(char *), GFP_KERNEL);