linux-kernel - [PATCH] iommu/vt-d: Remove unused function

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Message-Id: <20230818091603.64800-1-jiapeng.chong@linux.alibaba.com>
Date:   Fri, 18 Aug 2023 17:16:03 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     dwmw2@...radead.org
Cc:     baolu.lu@...ux.intel.com, joro@...tes.org, will@...nel.org,
        robin.murphy@....com, iommu@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH] iommu/vt-d: Remove unused function

The function are defined in the pasid.c file, but not called
elsewhere, so delete the unused function.

drivers/iommu/intel/pasid.c:342:20: warning: unused function 'pasid_set_wpe'.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=6185
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/iommu/intel/pasid.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/iommu/intel/pasid.c b/drivers/iommu/intel/pasid.c
index 8f92b92f3d2a..06ddb3c927f5 100644
--- a/drivers/iommu/intel/pasid.c
+++ b/drivers/iommu/intel/pasid.c
@@ -335,15 +335,6 @@ static inline void pasid_set_fault_enable(struct pasid_entry *pe)
 	pasid_set_bits(&pe->val[0], 1 << 1, 0);
 }
 
-/*
- * Setup the WPE(Write Protect Enable) field (Bit 132) of a
- * scalable mode PASID entry.
- */
-static inline void pasid_set_wpe(struct pasid_entry *pe)
-{
-	pasid_set_bits(&pe->val[2], 1 << 4, 1 << 4);
-}
-
 /*
  * Setup the P(Present) field (Bit 0) of a scalable mode PASID
  * entry.
-- 
2.20.1.7.g153144c