[Skiboot] [PATCH 07/14] lpc-uart: add flush opal call handler

[Oliver O'Halloran]

Define a driver specific flush opal call in preperation for removing
the con_ops->flush() operation.

Signed-off-by: Oliver O'Halloran <oohall at gmail.com>
---
 hw/lpc-uart.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/hw/lpc-uart.c b/hw/lpc-uart.c
index f91bccf7c716..cc7f808bb920 100644
--- a/hw/lpc-uart.c
+++ b/hw/lpc-uart.c
@@ -375,6 +375,14 @@ static int64_t uart_opal_read(int64_t term_number, int64_t *length,
 	return OPAL_SUCCESS;
 }
 
+static int64_t uart_opal_flush(int64_t term_number)
+{
+	if (term_number != 0)
+		return OPAL_PARAMETER;
+
+	return uart_con_flush();
+}
+
 static void __uart_do_poll(u8 trace_ctx)
 {
 	if (!in_buf)
@@ -449,6 +457,7 @@ void uart_setup_opal_console(void)
 	opal_register(OPAL_CONSOLE_WRITE_BUFFER_SPACE,
 		      uart_opal_write_buffer_space, 2);
 	opal_register(OPAL_CONSOLE_WRITE, uart_opal_write, 3);
+	opal_register(OPAL_CONSOLE_FLUSH, uart_opal_flush, 1);
 
 	opal_add_poller(uart_console_poll, NULL);
 }
-- 
2.5.5