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Commit fb339690 authored by Joerg Roedel's avatar Joerg Roedel Committed by Ingo Molnar
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x86, AMD IOMMU: remove unnecessary code from the iommu_enable function 



This code removes a leftover from the iommu_enable function. The ctrl variable
is assigned but never used.

Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: robert.richter@amd.com
Cc: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent c1cbebee

arch/x86/kernel/amd_iommu_init.c

+0 −3
Original line number Original line Diff line number Diff line
@@ -169,14 +169,11 @@ static void __init iommu_feature_disable(struct amd_iommu *iommu, u8 bit) 




void __init iommu_enable(struct amd_iommu *iommu)

void __init iommu_enable(struct amd_iommu *iommu)

{

{

	u32 ctrl;



	printk(KERN_INFO "AMD IOMMU: Enabling IOMMU at ");

	printk(KERN_INFO "AMD IOMMU: Enabling IOMMU at ");

	print_devid(iommu->devid, 0);

	print_devid(iommu->devid, 0);

	printk(" cap 0x%hx\n", iommu->cap_ptr);

	printk(" cap 0x%hx\n", iommu->cap_ptr);





	iommu_feature_enable(iommu, CONTROL_IOMMU_EN);

	iommu_feature_enable(iommu, CONTROL_IOMMU_EN);

	ctrl = readl(iommu->mmio_base + MMIO_CONTROL_OFFSET);

}

}





static u8 * __init iommu_map_mmio_space(u64 address)

static u8 * __init iommu_map_mmio_space(u64 address)