From 5f64f90ec84bb43eccf71fec660f0bb1f22d23df Mon Sep 17 00:00:00 2001
From: Hui Tang <tanghui20@huawei.com>
Date: Fri, 11 Oct 2019 18:44:28 +0800
Subject: [PATCH] uacce: modify calculation method for node distance.

driver inclusion
category: bugfix
bugzilla: NA
CVE: NA

Feature or Bugfix:Bugfix

Signed-off-by: Hui Tang <tanghui20@huawei.com>
Reviewed-by: xuzaibo <xuzaibo@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Reviewed-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 drivers/uacce/uacce.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/uacce/uacce.c b/drivers/uacce/uacce.c
index 2f8544701341..7cbaedb80a45 100644
--- a/drivers/uacce/uacce.c
+++ b/drivers/uacce/uacce.c
@@ -1353,9 +1353,10 @@ static ssize_t numa_distance_show(struct device *dev,
 	int distance = 0;
 
 #ifdef CONFIG_NUMA
-	distance = cpu_to_node(smp_processor_id()) - uacce->pdev->numa_node;
+	distance = node_distance(uacce->pdev->numa_node,
+		cpu_to_node(smp_processor_id()));
 #endif
-	return sprintf(buf, "%d\n", abs(distance));
+	return sprintf(buf, "%d\n", distance);
 }
 static DEVICE_ATTR_RO(numa_distance);
 
-- 
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