Now, wait_for_xmitr() is only called from serial_putc(), and both
are short enough. They can be merged into a single function.
Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
---
drivers/tty/serial/8250/8250_early.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_early.c
b/drivers/tty/serial/8250/8250_early.c
index 0b65a26..f9e25ed 100644
--- a/drivers/tty/serial/8250/8250_early.c
+++ b/drivers/tty/serial/8250/8250_early.c
@@ -76,24 +76,20 @@ static void __init serial8250_early_out(struct uart_port
*port, int offset, int
#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
-static void __init wait_for_xmitr(struct uart_port *port)
+static void __init serial_putc(struct uart_port *port, int c)
{
unsigned int status;
+ serial8250_early_out(port, UART_TX, c);
+
for (;;) {
status = serial8250_early_in(port, UART_LSR);
if ((status & BOTH_EMPTY) == BOTH_EMPTY)
- return;
+ break;
cpu_relax();
}
}
-static void __init serial_putc(struct uart_port *port, int c)
-{
- serial8250_early_out(port, UART_TX, c);
- wait_for_xmitr(port);
-}
-
static void __init early_serial8250_write(struct console *console,
const char *s, unsigned int count)
{
--
1.9.1
--
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