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| author |   Takashi Iwai <tiwai@suse.de> | 2010-01-12 09:40:48 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-01-12 09:40:48 +0100 |
| commit | dba9532388b00d591d87c638a47dcc7ba3763fc5 (patch) | |
| tree | cc9de8cbc40d0e927b1924d1d943208e84e21d1f /arch/x86/kernel/amd_iommu_init.c | |
| parent | ALSA: usb-audio - Avoid Oops after disconnect (diff) | |
| parent | ALSA: ac97: add AC97 STMicroelectronics' codecs (diff) | |
| download | linux-dev-dba9532388b00d591d87c638a47dcc7ba3763fc5.tar.xz linux-dev-dba9532388b00d591d87c638a47dcc7ba3763fc5.zip | |
Merge remote branch 'alsa/fixes' into fix/misc
Diffstat (limited to 'arch/x86/kernel/amd_iommu_init.c')
| -rw-r--r-- | arch/x86/kernel/amd_iommu_init.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 1dca9c34eaeb..fb490ce7dd55 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -138,6 +138,11 @@ int amd_iommus_present; bool amd_iommu_np_cache __read_mostly; /* + * Set to true if ACPI table parsing and hardware intialization went properly + */ +static bool amd_iommu_initialized; + +/* * List of protection domains - used during resume */ LIST_HEAD(amd_iommu_pd_list); @@ -929,6 +934,8 @@ static int __init init_iommu_all(struct acpi_table_header *table) } WARN_ON(p != end); + amd_iommu_initialized = true; + return 0; } @@ -1263,6 +1270,9 @@ static int __init amd_iommu_init(void) if (acpi_table_parse("IVRS", init_iommu_all) != 0) goto free; + if (!amd_iommu_initialized) + goto free; + if (acpi_table_parse("IVRS", init_memory_definitions) != 0) goto free; |