iommu/rockchip: Fix "is stall active" check

[karo-tx-linux.git] / drivers / iommu / rockchip-iommu.c

diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index a6f593a0a29eda65c1f383dbe1700c13a8e9be27..5710a06c30498e1b40f4c645f56f1c9b2a49eb4e 100644 (file)
--- a/drivers/iommu/rockchip-iommu.c
+++ b/drivers/iommu/rockchip-iommu.c
@@ -315,8 +315,8 @@ static bool rk_iommu_is_stall_active(struct rk_iommu *iommu)
        int i;
 
        for (i = 0; i < iommu->num_mmu; i++)
-               active &= rk_iommu_read(iommu->bases[i], RK_MMU_STATUS) &
-                                       RK_MMU_STATUS_STALL_ACTIVE;
+               active &= !!(rk_iommu_read(iommu->bases[i], RK_MMU_STATUS) &
+                                          RK_MMU_STATUS_STALL_ACTIVE);
 
        return active;
 }
@@ -327,8 +327,8 @@ static bool rk_iommu_is_paging_enabled(struct rk_iommu *iommu)
        int i;
 
        for (i = 0; i < iommu->num_mmu; i++)
-               enable &= rk_iommu_read(iommu->bases[i], RK_MMU_STATUS) &
-                                       RK_MMU_STATUS_PAGING_ENABLED;
+               enable &= !!(rk_iommu_read(iommu->bases[i], RK_MMU_STATUS) &
+                                          RK_MMU_STATUS_PAGING_ENABLED);
 
        return enable;
 }