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    Subject[PATCH 6/6] AMD IOMMU: remove unnecessary code from the iommu_enable function
    Date
    This code removes a leftover from the iommu_enable function. The ctrl variable
    is assigned but never used.

    Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
    ---
    arch/x86/kernel/amd_iommu_init.c | 3 ---
    1 files changed, 0 insertions(+), 3 deletions(-)

    diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
    index c970fac..2a13e43 100644
    --- a/arch/x86/kernel/amd_iommu_init.c
    +++ b/arch/x86/kernel/amd_iommu_init.c
    @@ -169,14 +169,11 @@ static void __init iommu_feature_disable(struct amd_iommu *iommu, u8 bit)

    void __init iommu_enable(struct amd_iommu *iommu)
    {
    - u32 ctrl;
    -
    printk(KERN_INFO "AMD IOMMU: Enabling IOMMU at ");
    print_devid(iommu->devid, 0);
    printk(" cap 0x%hx\n", iommu->cap_ptr);

    iommu_feature_enable(iommu, CONTROL_IOMMU_EN);
    - ctrl = readl(iommu->mmio_base + MMIO_CONTROL_OFFSET);
    }

    static u8 * __init iommu_map_mmio_space(u64 address)
    --
    1.5.3.7



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