---

yaml --- r: 133280 b: refs/heads/master c: 973e5d5 h: refs/heads/master v: v3
git-mirror · Feb 27, 2009 · f550c79 · f550c79
1 parent be421fa
commit f550c79
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a73090ffaf0f6853880d9ac3fff7e5d88215131a
+refs/heads/master: 973e5d525d39be6f9f6c38d37aacf03efda02e60
diff --git a/trunk/drivers/serial/sh-sci.c b/trunk/drivers/serial/sh-sci.c
@@ -139,7 +139,7 @@ static void sci_poll_put_char(struct uart_port *port, unsigned char c)
 	} while (!(status & SCxSR_TDxE(port)));
 
 	sci_in(port, SCxSR);            /* Dummy read */
-	sci_out(port, SCxSR, SCxSR_TDxE_CLEAR(port));
+	sci_out(port, SCxSR, SCxSR_TDxE_CLEAR(port) & ~SCxSR_TEND(port));
 	sci_out(port, SCxTDR, c);
 }
 #endif /* CONFIG_CONSOLE_POLL || CONFIG_SERIAL_SH_SCI_CONSOLE */
@@ -1095,6 +1095,7 @@ static void serial_console_write(struct console *co, const char *s,
 				 unsigned count)
 {
 	struct uart_port *port = &serial_console_port->port;
+	unsigned short bits;
 	int i;
 
 	for (i = 0; i < count; i++) {
@@ -1103,6 +1104,11 @@ static void serial_console_write(struct console *co, const char *s,
 
 		sci_poll_put_char(port, *s++);
 	}
+
+	/* wait until fifo is empty and last bit has been transmitted */
+	bits = SCxSR_TDxE(port) | SCxSR_TEND(port);
+	while ((sci_in(port, SCxSR) & bits) != bits)
+		cpu_relax();
 }
 
 static int __init serial_console_setup(struct console *co, char *options)