linux-kernel - [PATCH -next] xen-swiotlb: Make two functions static

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Date:   Tue, 16 Apr 2019 22:49:50 +0800
From:   Yue Haibing <yuehaibing@...wei.com>
To:     <konrad.wilk@...cle.com>, <boris.ostrovsky@...cle.com>,
        <jgross@...e.com>, <sstabellini@...nel.org>
CC:     <linux-kernel@...r.kernel.org>, <iommu@...ts.linux-foundation.org>,
        <xen-devel@...ts.xenproject.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] xen-swiotlb: Make two functions static

From: YueHaibing <yuehaibing@...wei.com>

Fix sparse warnings:

drivers/xen/swiotlb-xen.c:489:1: warning:
 symbol 'xen_swiotlb_sync_single_for_cpu' was not declared. Should it be static?
drivers/xen/swiotlb-xen.c:496:1: warning:
 symbol 'xen_swiotlb_sync_single_for_device' was not declared. Should it be static?

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/xen/swiotlb-xen.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 877baf2..e741df4 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -485,14 +485,14 @@ xen_swiotlb_sync_single(struct device *hwdev, dma_addr_t dev_addr,
 		xen_dma_sync_single_for_device(hwdev, dev_addr, size, dir);
 }
 
-void
+static void
 xen_swiotlb_sync_single_for_cpu(struct device *hwdev, dma_addr_t dev_addr,
 				size_t size, enum dma_data_direction dir)
 {
 	xen_swiotlb_sync_single(hwdev, dev_addr, size, dir, SYNC_FOR_CPU);
 }
 
-void
+static void
 xen_swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr,
 				   size_t size, enum dma_data_direction dir)
 {
-- 
2.7.4