From: qianouyang <qianouyang@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 1 Dec 2011 05:10:41 +0000 (+0000)
Subject: 1. Remove the unnecessary check of the existing of BlockIo2 in PartitionDriverBinding... 
X-Git-Tag: edk2-stable201903~13810
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=21e1018b1c741911deecd1f2b25319ea414e5f3b

1. Remove the unnecessary check of the existing of BlockIo2 in PartitionDriverBindingSupported().
2. Remove the comments of the BlockIo2 check in PartitionDriverBindingStart().

Signed-off-by: qianouyang
Reviewed-by: niruiyu


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12806 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.c b/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.c
index a51c7dd8db..318bfe4326 100644
--- a/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.c
+++ b/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.c
@@ -165,27 +165,10 @@ PartitionDriverBindingSupported (
                   ControllerHandle,
                   EFI_OPEN_PROTOCOL_TEST_PROTOCOL
                   );
- if (EFI_ERROR (Status)) {
-   return Status;
- }
-  
- Status = gBS->OpenProtocol (
-                 ControllerHandle,
-                 &gEfiBlockIo2ProtocolGuid,
-                 NULL,
-                 This->DriverBindingHandle,
-                 ControllerHandle,
-                 EFI_OPEN_PROTOCOL_TEST_PROTOCOL
-                 );
   if (EFI_ERROR (Status)) {
-    //
-    // According to UEFI Spec 2.3.1, if a driver is written for a disk device, 
-    // then the EFI_BLOCK_IO_PROTOCOL and EFI_BLOCK_IO2_PROTOCOAL must be implemented.
-    // Currently, SCSI disk driver only produce the EFI_BLOCK_IO_PROTOCOL, it will
-    // not be updated until the non blocking SCSI Pass Thru Protocol is provided.
-    // If there is no EFI_BLOCK_IO2_PROTOCOL, skip here.
-    //    
-  } 
+    return Status;
+  }
+
   return EFI_SUCCESS;  
 }
 
@@ -222,6 +205,7 @@ PartitionDriverBindingStart (
   BOOLEAN                   MediaPresent;
   EFI_TPL                   OldTpl;
 
+  BlockIo2 = NULL;
   OldTpl = gBS->RaiseTPL (TPL_CALLBACK); 
   //
   // Check RemainingDevicePath validation
@@ -261,15 +245,6 @@ PartitionDriverBindingStart (
                   ControllerHandle,
                   EFI_OPEN_PROTOCOL_BY_DRIVER
                   );
-  if (EFI_ERROR (Status)) {
-    //
-    // According to UEFI Spec 2.3.1, if a driver is written for a disk device, 
-    // then the EFI_BLOCK_IO_PROTOCOL and EFI_BLOCK_IO2_PROTOCOAL must be implemented.
-    // Currently, SCSI disk driver only produce the EFI_BLOCK_IO_PROTOCOL, it will
-    // not be updated until the non blocking SCSI Pass Thru Protocol is provided.
-    // If there is no EFI_BLOCK_IO2_PROTOCOL, skip here.
-    //
-  }
 
   //
   // Get the Device Path Protocol on ControllerHandle's handle.