linux-kernel - [PATCH] iommu/amd: Set variable amd_dirty

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Date:   Mon, 20 Nov 2023 17:53:42 +0800
From:   Kunwu Chan <chentao@...inos.cn>
To:     joro@...tes.org, suravee.suthikulpanit@....com, will@...nel.org,
        robin.murphy@....com
Cc:     kunwu.chan@...mail.com, iommu@...ts.linux.dev,
        linux-kernel@...r.kernel.org, Kunwu Chan <chentao@...inos.cn>
Subject: [PATCH] iommu/amd: Set variable amd_dirty_ops to static

Fix the followng warning:
drivers/iommu/amd/iommu.c:67:30: warning: symbol
 'amd_dirty_ops' was not declared. Should it be static?

This variable is only used in its defining file, so it should be static.

Signed-off-by: Kunwu Chan <chentao@...inos.cn>
---
 drivers/iommu/amd/iommu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index fcc987f5d4ed..9f7064360828 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -64,7 +64,7 @@ LIST_HEAD(hpet_map);
 LIST_HEAD(acpihid_map);
 
 const struct iommu_ops amd_iommu_ops;
-const struct iommu_dirty_ops amd_dirty_ops;
+static const struct iommu_dirty_ops amd_dirty_ops;
 
 int amd_iommu_max_glx_val = -1;
 
@@ -2635,7 +2635,7 @@ static bool amd_iommu_enforce_cache_coherency(struct iommu_domain *domain)
 	return true;
 }
 
-const struct iommu_dirty_ops amd_dirty_ops = {
+static const struct iommu_dirty_ops amd_dirty_ops = {
 	.set_dirty_tracking = amd_iommu_set_dirty_tracking,
 	.read_and_clear_dirty = amd_iommu_read_and_clear_dirty,
 };
-- 
2.34.1