fix gcc signed/unsigned warnings
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
                                char_count = rx_put - rx_get;
                        else
                                char_count = rx_put - rx_get + rx_bufsize;
-                       if (char_count >= cy_readl(&buf_ctrl->rx_threshold)) {
+                       if (char_count >= (int)cy_readl(&buf_ctrl->
+                                       rx_threshold)) {
                                cy_sched_event(info, Cy_EVENT_Z_RX_FULL);
                        }
 #endif
                return;
 
        CY_LOCK(info, flags);
-       if (info->xmit_cnt >= SERIAL_XMIT_SIZE - 1) {
+       if (info->xmit_cnt >= (int)(SERIAL_XMIT_SIZE - 1)) {
                CY_UNLOCK(info, flags);
                return;
        }