From: Michal Simek <michal.simek@xilinx.com>
Date: Wed, 13 Jun 2018 07:05:51 +0000 (+0200)
Subject: gpio: zynq: Do not check unsigned type that is >= 0
X-Git-Tag: v2018.07-rc2~49^2~8
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=1471fadf69493141e990b078d8b8a3b215008f31;p=oweals%2Fu-boot.git

gpio: zynq: Do not check unsigned type that is >= 0

There is no reason to check that unsigned type that is >= 0.

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

diff --git a/drivers/gpio/zynq_gpio.c b/drivers/gpio/zynq_gpio.c
index 9663294685..442ba196ca 100644
--- a/drivers/gpio/zynq_gpio.c
+++ b/drivers/gpio/zynq_gpio.c
@@ -188,7 +188,7 @@ static int gpio_is_valid(unsigned gpio, struct udevice *dev)
 {
 	struct zynq_gpio_privdata *priv = dev_get_priv(dev);
 
-	return (gpio >= 0) && (gpio < priv->p_data->ngpio);
+	return gpio < priv->p_data->ngpio;
 }
 
 static int check_gpio(unsigned gpio, struct udevice *dev)