From: Park Bumgyu <bumgyu.park@samsung.com>
Date: Fri, 23 Feb 2018 04:02:27 +0000 (+0900)
Subject: serial: samsung: wait serial FIFO before entering SICD
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4b0b4b77221f481788da50e1e9fced276c694142;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

serial: samsung: wait serial FIFO before entering SICD

Change-Id: I9580f8897592dca908e95780b39853f87b34d0f1
Signed-off-by: Park Bumgyu <bumgyu.park@samsung.com>
---

diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index b8e98d27d4ee..036500aee7aa 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1551,6 +1551,8 @@ static int s3c24xx_serial_notifier(struct notifier_block *self,
 			if (ourport->rts_control)
 				change_uart_gpio(RTS_PINCTRL, ourport);
 		}
+
+		s3c24xx_serial_fifo_wait();
 		break;
 
 	case SICD_EXIT: