patman: Suppress empty changelog entries

[oweals/u-boot.git] / tools / kwboot.c

diff --git a/tools/kwboot.c b/tools/kwboot.c
index 50ae2b4b77b1e3702b92f884979bc7808893e479..4be094c9c8d81ebca06170a386718527880a587e 100644 (file)
--- a/tools/kwboot.c
+++ b/tools/kwboot.c
@@ -286,6 +286,7 @@ kwboot_bootmsg(int tty, void *msg)
 {
        int rc;
        char c;
+       int count;
 
        if (msg == NULL)
                kwboot_printv("Please reboot the target into UART boot mode...");
@@ -297,10 +298,12 @@ kwboot_bootmsg(int tty, void *msg)
                if (rc)
                        break;
 
-               rc = kwboot_tty_send(tty, msg, 8);
-               if (rc) {
-                       usleep(msg_req_delay * 1000);
-                       continue;
+               for (count = 0; count < 128; count++) {
+                       rc = kwboot_tty_send(tty, msg, 8);
+                       if (rc) {
+                               usleep(msg_req_delay * 1000);
+                               continue;
+                       }
                }
 
                rc = kwboot_tty_recv(tty, &c, 1, msg_rsp_timeo);
@@ -426,6 +429,9 @@ kwboot_xmodem(int tty, const void *_data, size_t size)
 
        kwboot_printv("Sending boot image...\n");
 
+       sleep(2); /* flush isn't effective without it */
+       tcflush(tty, TCIOFLUSH);
+
        do {
                struct kwboot_block block;
                int n;