usb: dwc3: 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 types.
Acked-by: Felipe Balbi <balbi@kernel.org>
Cc: <linux-usb@vger.kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
diff --git a/drivers/usb/dwc3/dwc3-of-simple.c b/drivers/usb/dwc3/dwc3-of-simple.c
index 9c9f741..9743353 100644
--- a/drivers/usb/dwc3/dwc3-of-simple.c
+++ b/drivers/usb/dwc3/dwc3-of-simple.c
@@ -42,6 +42,7 @@
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
+ unsigned int count;
int ret;
int i;
@@ -49,11 +50,11 @@
if (!simple)
return -ENOMEM;
- ret = of_clk_get_parent_count(np);
- if (ret < 0)
- return ret;
+ count = of_clk_get_parent_count(np);
+ if (!count)
+ return -ENOENT;
- simple->num_clocks = ret;
+ simple->num_clocks = count;
simple->clks = devm_kcalloc(dev, simple->num_clocks,
sizeof(struct clk *), GFP_KERNEL);