X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FBus%2FAta%2FAtaAtapiPassThru%2FAtaAtapiPassThru.c;h=09064dda18b70753d6a100ad21e9855c90291e78;hp=e10e0d4e65f6b2fb3af03b781adbd1851e622850;hb=0641808ece210dd2855a69302a0876af7bdc44a2;hpb=dc32e820f02854b95ae806cdf3d87ae0d229a932;ds=inline

diff --git a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
index e10e0d4e65..09064dda18 100644
--- a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
+++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
@@ -480,7 +480,8 @@ InitializeAtaAtapiPassThru (
 }
 
 /**
-  Disable Bus Master DMA on the device when exiting the boot services.
+  Disable the device (especially Bus Master DMA) when exiting the boot
+  services.
 
   @param[in] Event    Event for which this notification function is being
                       called.
@@ -505,7 +506,7 @@ AtaPassThruExitBootServices (
   PciIo->Attributes (
            PciIo,
            EfiPciIoAttributeOperationDisable,
-           Instance->EnabledPciAttributes & EFI_PCI_IO_ATTRIBUTE_BUS_MASTER,
+           Instance->EnabledPciAttributes,
            NULL
            );
 }