iommu/arm-smmu: Drop devm_free_irq when driver detach

There is no need to call devm_free_irq when driver detach.
devres_release_all which is called after 'drv->remove' will
release all managed resources.

Signed-off-by: Peng Fan <van.freenix@gmail.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

1 files changed, 0 insertions, 4 deletions

diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 2db74ebc3240..069b2ea89113 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1998,7 +1998,6 @@ out_put_masters:
 
 static int arm_smmu_device_remove(struct platform_device *pdev)
 {
-        int i;
         struct device *dev = &pdev->dev;
         struct arm_smmu_device *curr, *smmu = NULL;
         struct rb_node *node;
@@ -2025,9 +2024,6 @@ static int arm_smmu_device_remove(struct platform_device *pdev)
         if (!bitmap_empty(smmu->context_map, ARM_SMMU_MAX_CBS))
                 dev_err(dev, "removing device with active domains!\n");
 
-        for (i = 0; i < smmu->num_global_irqs; ++i)
-                devm_free_irq(smmu->dev, smmu->irqs[i], smmu);
-
         /* Turn the thing off */
         writel(sCR0_CLIENTPD, ARM_SMMU_GR0_NS(smmu) + ARM_SMMU_GR0_sCR0);
         return 0;