net: usb: sr9700: Replace mdelay() with msleep() in sr9700_bind()

sr9700_bind() is never called in atomic context.
It calls mdelay() to busily wait, which is not necessary.
mdelay() can be replaced with msleep().

This is found by a static analysis tool named DCNS written by myself.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/usb/sr9700.c b/drivers/net/usb/sr9700.c
index 2d316c1..6ac232e 100644 (file)
--- a/drivers/net/usb/sr9700.c
+++ b/drivers/net/usb/sr9700.c
@@ -358,7 +358,7 @@ static int sr9700_bind(struct usbnet *dev, struct usb_interface *intf)
        /* power up and reset phy */
        sr_write_reg(dev, SR_PRR, PRR_PHY_RST);
        /* at least 10ms, here 20ms for safe */
-       mdelay(20);
+       msleep(20);
        sr_write_reg(dev, SR_PRR, 0);
        /* at least 1ms, here 2ms for reading right register */
        udelay(2 * 1000);