sandbox: Allow return from board_init_f()

[karo-tx-uboot.git] / common / usb_kbd.c

diff --git a/common/usb_kbd.c b/common/usb_kbd.c
index 2ca3767ecfa113e8ee36fabdf2261ee807e80f3a..1ad67caf13c554c6fd0eb34945f41b3a20f736bc 100644 (file)
--- a/common/usb_kbd.c
+++ b/common/usb_kbd.c
@@ -104,6 +104,11 @@ struct usb_kbd_pdata {
        uint8_t         flags;
 };
 
+extern int __maybe_unused net_busy_flag;
+
+/* The period of time between two calls of usb_kbd_testc(). */
+static unsigned long __maybe_unused kbd_testc_tms;
+
 /* Generic keyboard event polling. */
 void usb_kbd_generic_poll(void)
 {
@@ -349,6 +354,16 @@ static int usb_kbd_testc(void)
        struct usb_device *usb_kbd_dev;
        struct usb_kbd_pdata *data;
 
+#ifdef CONFIG_CMD_NET
+       /*
+        * If net_busy_flag is 1, NET transfer is running,
+        * then we check key-pressed every second (first check may be
+        * less than 1 second) to improve TFTP booting performance.
+        */
+       if (net_busy_flag && (get_timer(kbd_testc_tms) < CONFIG_SYS_HZ))
+               return 0;
+       kbd_testc_tms = get_timer(0);
+#endif
        dev = stdio_get_by_name(DEVNAME);
        usb_kbd_dev = (struct usb_device *)dev->priv;
        data = usb_kbd_dev->privptr;