Removed connect/disconnect in device command and replace with simple BlockIo readblocks to probe for media change. This relies on ReinstallProtocolInterface() calls in the BlockIo drivers to make the filesystems reload.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10468 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 4 insertions, 10 deletions

diff --git a/EmbeddedPkg/Ebl/EfiDevice.c b/EmbeddedPkg/Ebl/EfiDevice.c
index 80dcfcb..922be58 100644
--- a/EmbeddedPkg/Ebl/EfiDevice.c
+++ b/EmbeddedPkg/Ebl/EfiDevice.c
@@ -227,16 +227,10 @@ EblDeviceCmd (
       File = EfiDeviceOpenByType (EfiOpenBlockIo, Index);

       if (File != NULL) {

         if (File->FsBlockIoMedia->RemovableMedia) {

-          if (File->FsBlockIoMedia->MediaPresent) {

-            // Probe to see if media is present

-            Status = File->FsBlockIo->ReadBlocks (File->FsBlockIo, File->FsBlockIo->Media->MediaId, (EFI_LBA)0, 0, NULL);

-            if (Status == EFI_NO_MEDIA) {

-              gBS->DisconnectController (File->EfiHandle, NULL, NULL);

-            }

-          } else {

-            // Probe for media insertion and connect partition and filesystem drivers if needed

-            gBS->ConnectController (File->EfiHandle, NULL, NULL, TRUE);

-          }

+          // Probe to see if media is present (or not) or media changed

+          //  this causes the ReinstallProtocolInterface() to fire in the

+          //  block io driver to update the system about media change events

+          File->FsBlockIo->ReadBlocks (File->FsBlockIo, File->FsBlockIo->Media->MediaId, (EFI_LBA)0, 0, NULL);

         }

         EfiClose (File);

       }