From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Gao Junhao <junhao.gao@intel.com>
Date: Wed, 5 Jun 2019 11:45:49 +0000
Subject: [PATCH] virtio: enable polling mode for virtio-console

add polling mode for virtio-console

Tracked-On: projectacrn/acrn-hypervisor#3237
Signed-off-by: Jian Jun Chen <jian.jun.chen@intel.com>
Signed-off-by: Gao Junhao <junhao.gao@intel.com>
Reviewed-by: Zhao Yakui <yakui.zhao@intel.com>
---
 drivers/char/virtio_console.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index ca71ee939533..ada66f76635a 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -2239,6 +2239,9 @@ static struct virtio_driver virtio_console = {
 	.driver.name =	KBUILD_MODNAME,
 	.driver.owner =	THIS_MODULE,
 	.id_table =	id_table,
+#ifdef CONFIG_VIRTIO_PMD
+	.polling_mode =	true,
+#endif
 	.probe =	virtcons_probe,
 	.remove =	virtcons_remove,
 	.config_changed = config_intr,
-- 
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