lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

x86, AMD IOMMU: remove unnecessary code from the iommu_enable function

Browse Source 
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>
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: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Joerg Roedel
2008-07-03 19:35:11 +02:00
committed by Ingo Molnar
parent c1cbebeec4
commit fb339690a0
1 changed files with 0 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
arch/x86/kernel/amd_iommu_init.c
View File

@@ -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)