Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH] iommu/sun50i: Fix set-but-not-used variable warning | Date | Fri, 4 Sep 2020 13:39:06 +0200 |
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From: Joerg Roedel <jroedel@suse.de>
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 <lkp@intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.de> --- drivers/iommu/sun50i-iommu.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c index 3b1bf2fb94f5..ea6db1341916 100644 --- 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); -- 2.26.2
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