[SERIAL] SUNHV: Fix jerky console on LDOM guests.
Mixing putchar() and write() hvcalls does not work %100
correctly. But we should be using write() all the time
if we can, even from ->start_tx(), anyways.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/serial/sunhv.c b/drivers/serial/sunhv.c
index 17bcca5..d82be42 100644
--- a/drivers/serial/sunhv.c
+++ b/drivers/serial/sunhv.c
@@ -258,17 +258,7 @@
/* port->lock held by caller. */
static void sunhv_start_tx(struct uart_port *port)
{
- struct circ_buf *xmit = &port->info->xmit;
-
- while (!uart_circ_empty(xmit)) {
- long status = sun4v_con_putchar(xmit->buf[xmit->tail]);
-
- if (status != HV_EOK)
- break;
-
- xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
- port->icount.tx++;
- }
+ transmit_chars(port);
}
/* port->lock is not held. */