diff options
author | Joerg Roedel <joerg.roedel@amd.com> | 2008-09-17 10:45:59 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-09-19 06:59:29 -0400 |
commit | 199d0d501202f077fe647a5c14fe046b17abc46b (patch) | |
tree | da98406b8b7c21a6165366f27f54e1407da5c31a /arch | |
parent | d58befd3a0110c93d70756537b4d01d05a9e6e12 (diff) |
AMD IOMMU: remove unnecessary cast to u64 in the init code
The ctrl variable is only u32 and readl also returns a 32 bit value. So
the cast to u64 is pointless. Remove it with this patch.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/x86/kernel/amd_iommu_init.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index e60f4cd29eb2..505fc04e8969 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c | |||
@@ -235,7 +235,7 @@ static void __init iommu_feature_disable(struct amd_iommu *iommu, u8 bit) | |||
235 | { | 235 | { |
236 | u32 ctrl; | 236 | u32 ctrl; |
237 | 237 | ||
238 | ctrl = (u64)readl(iommu->mmio_base + MMIO_CONTROL_OFFSET); | 238 | ctrl = readl(iommu->mmio_base + MMIO_CONTROL_OFFSET); |
239 | ctrl &= ~(1 << bit); | 239 | ctrl &= ~(1 << bit); |
240 | writel(ctrl, iommu->mmio_base + MMIO_CONTROL_OFFSET); | 240 | writel(ctrl, iommu->mmio_base + MMIO_CONTROL_OFFSET); |
241 | } | 241 | } |