xhci: use max() to make code cleaner

Use max() in order to make code cleaner.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@zte.com.cn>
Link: https://lore.kernel.org/r/20211215091602.445009-1-deng.changcheng@zte.com.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index f5b1bcc..dc357ca 100644 (file)
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -4998,10 +4998,8 @@ static int calculate_max_exit_latency(struct usb_device *udev,
                        enabling_u2)
                u2_mel_us = DIV_ROUND_UP(udev->u2_params.mel, 1000);
 
-       if (u1_mel_us > u2_mel_us)
-               mel_us = u1_mel_us;
-       else
-               mel_us = u2_mel_us;
+       mel_us = max(u1_mel_us, u2_mel_us);
+
        /* xHCI host controller max exit latency field is only 16 bits wide. */
        if (mel_us > MAX_EXIT) {
                dev_warn(&udev->dev, "Link PM max exit latency of %lluus "