X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/8fce4520de1f257819b16f9253fa28dcdae743f4..0165ff6162aa6546f9f471edff7eed8672c3159b:/lunaix-os/hal/char/uart/16550_base.c

diff --git a/lunaix-os/hal/char/uart/16550_base.c b/lunaix-os/hal/char/uart/16550_base.c
index 4ae45d7..8ec752e 100644
--- a/lunaix-os/hal/char/uart/16550_base.c
+++ b/lunaix-os/hal/char/uart/16550_base.c
@@ -66,15 +66,14 @@ uart_general_irq_handler(int iv, struct llist_header* ports)
     llist_for_each(pos, n, ports, local_ports)
     {
         int is = uart_intr_identify(pos);
-        if (iv == pos->iv && is == UART_DATA_OK) {
-            break;
+        if (iv == pos->iv && (is == UART_CHR_TIMEOUT)) {
+            goto done;
         }
     }
 
-    if (!pos) {
-        return;
-    }
+    return;
 
+done:
     char recv;
     int i = 0;
     while ((recv = uart_read_byte(pos))) {
@@ -92,5 +91,7 @@ uart_general_irq_handler(int iv, struct llist_header* ports)
     }
 
     serial_accept_buffer(pos->sdev, tmpbuf, i);
+    serial_accept_one(pos->sdev, 0);
+    
     serial_end_recv(pos->sdev);
 }