iommu/sun50i: Fix set-but-not-used variable warning

Fix the following warning the the SUN50I driver: drivers/iommu/sun50i-iommu.c: In function 'sun50i_iommu_irq': drivers/iommu/sun50i-iommu.c:890:14: warning: variable 'iova' set but not used [-Wunused-but-set-variable] 890 | phys_addr_t iova; | ^~~~ Reported-by: kernel test robot <[email protected]> Signed-off-by: Joerg Roedel <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Joerg Roedel <[email protected]>
boxfire · Sep 4, 2020 · 03c7b78 · 03c7b78
1 parent f75aef3
commit 03c7b78
Showing 1 changed file with 7 additions and 8 deletions.
diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c
@@ -881,7 +881,6 @@ static phys_addr_t sun50i_iommu_handle_perm_irq(struct sun50i_iommu *iommu)
 static irqreturn_t sun50i_iommu_irq(int irq, void *dev_id)
 {
 	struct sun50i_iommu *iommu = dev_id;
-	phys_addr_t iova;
 	u32 status;
 
 	spin_lock(&iommu->iommu_lock);
@@ -893,15 +892,15 @@ static irqreturn_t sun50i_iommu_irq(int irq, void *dev_id)
 	}
 
 	if (status & IOMMU_INT_INVALID_L2PG)
-		iova = sun50i_iommu_handle_pt_irq(iommu,
-						  IOMMU_INT_ERR_ADDR_L2_REG,
-						  IOMMU_L2PG_INT_REG);
+		sun50i_iommu_handle_pt_irq(iommu,
+					    IOMMU_INT_ERR_ADDR_L2_REG,
+					    IOMMU_L2PG_INT_REG);
 	else if (status & IOMMU_INT_INVALID_L1PG)
-		iova = sun50i_iommu_handle_pt_irq(iommu,
-						  IOMMU_INT_ERR_ADDR_L1_REG,
-						  IOMMU_L1PG_INT_REG);
+		sun50i_iommu_handle_pt_irq(iommu,
+					   IOMMU_INT_ERR_ADDR_L1_REG,
+					   IOMMU_L1PG_INT_REG);
 	else
-		iova = sun50i_iommu_handle_perm_irq(iommu);
+		sun50i_iommu_handle_perm_irq(iommu);
 
 	iommu_write(iommu, IOMMU_INT_CLR_REG, status);