diff options
| -rw-r--r-- | ArmPkg/Library/ArmDmaLib/ArmDmaLib.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/ArmPkg/Library/ArmDmaLib/ArmDmaLib.c b/ArmPkg/Library/ArmDmaLib/ArmDmaLib.c index 66f3469eb1..2144699c08 100644 --- a/ArmPkg/Library/ArmDmaLib/ArmDmaLib.c +++ b/ArmPkg/Library/ArmDmaLib/ArmDmaLib.c @@ -102,9 +102,7 @@ DmaMap ( }
// If the mapped buffer is not an uncached buffer
- if ( (GcdDescriptor.Attributes != EFI_MEMORY_WC) &&
- (GcdDescriptor.Attributes != EFI_MEMORY_UC) )
- {
+ if ((GcdDescriptor.Attributes & (EFI_MEMORY_WB | EFI_MEMORY_WT)) != 0) {
//
// If the buffer does not fill entire cache lines we must double buffer into
// uncached memory. Device (PCI) address becomes uncached page.
|