linux-kernel - [PATCH 03/15] Drivers: hv: utils: Fix the mapping between host version and protocol to use

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Date:   Mon, 31 Oct 2016 00:41:38 -0700
From:   kys@...hange.microsoft.com
To:     gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        devel@...uxdriverproject.org, olaf@...fle.de, apw@...onical.com,
        vkuznets@...hat.com, jasowang@...hat.com,
        leann.ogasawara@...onical.com, sthemmin@...rosoft.com
Cc:     Alex Ng <alexng@...sages.microsoft.com>,
        Alex Ng <alexng@...rosoft.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>
Subject: [PATCH 03/15] Drivers: hv: utils: Fix the mapping between host version and protocol to use

From: Alex Ng <alexng@...sages.microsoft.com>

We should intentionally declare the protocols to use for every known host
and default to using the latest protocol if the host is unknown or new.

Signed-off-by: Alex Ng <alexng@...rosoft.com>
Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
---
 drivers/hv/hv_util.c |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c
index bcd0630..1b693bf 100644
--- a/drivers/hv/hv_util.c
+++ b/drivers/hv/hv_util.c
@@ -389,16 +389,19 @@ static int util_probe(struct hv_device *dev,
 		ts_srv_version = TS_VERSION_1;
 		hb_srv_version = HB_VERSION_1;
 		break;
-	case(VERSION_WIN10):
+	case (VERSION_WIN7):
+	case (VERSION_WIN8):
+	case (VERSION_WIN8_1):
 		util_fw_version = UTIL_FW_VERSION;
 		sd_srv_version = SD_VERSION;
-		ts_srv_version = TS_VERSION;
+		ts_srv_version = TS_VERSION_3;
 		hb_srv_version = HB_VERSION;
 		break;
+	case (VERSION_WIN10):
 	default:
 		util_fw_version = UTIL_FW_VERSION;
 		sd_srv_version = SD_VERSION;
-		ts_srv_version = TS_VERSION_3;
+		ts_srv_version = TS_VERSION;
 		hb_srv_version = HB_VERSION;
 	}
 
-- 
1.7.4.1