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| author | Joerg Roedel <joerg.roedel@amd.com> | 2008-07-11 17:14:33 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-11 18:01:16 +0200 |
| commit | 0906372e6cf372f3162481f24a0b8ccae0eff4d7 (patch) | |
| tree | ea6e3ddbe3654d4342a2303cdbd4de7323d1c087 /arch/x86/kernel/amd_iommu_init.c | |
| parent | 5dc8bff0f6d0dfeb1f1c6e694294ba7c33d099f1 (diff) | |
| download | blackbird-op-linux-0906372e6cf372f3162481f24a0b8ccae0eff4d7.tar.gz blackbird-op-linux-0906372e6cf372f3162481f24a0b8ccae0eff4d7.zip | |
x86, AMD IOMMU: replace self made size parsing with memparse call
This patch replaces the self-made parsing of the amd_iommu_size option with the
generic memparse function call.
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
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/amd_iommu_init.c')
| -rw-r--r-- | arch/x86/kernel/amd_iommu_init.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 2efc3d59b7e6..e0ff9404e6c9 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -1042,20 +1042,10 @@ static int __init parse_amd_iommu_options(char *str) static int __init parse_amd_iommu_size_options(char *str) { - for (; *str; ++str) { - if (strcmp(str, "32M") == 0) - amd_iommu_aperture_order = 25; - if (strcmp(str, "64M") == 0) - amd_iommu_aperture_order = 26; - if (strcmp(str, "128M") == 0) - amd_iommu_aperture_order = 27; - if (strcmp(str, "256M") == 0) - amd_iommu_aperture_order = 28; - if (strcmp(str, "512M") == 0) - amd_iommu_aperture_order = 29; - if (strcmp(str, "1G") == 0) - amd_iommu_aperture_order = 30; - } + unsigned order = PAGE_SHIFT + get_order(memparse(str, &str)); + + if ((order > 24) && (order < 31)) + amd_iommu_aperture_order = order; return 1; } |
