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| author | Feng Tian <feng.tian@intel.com> | 2013-06-24 03:03:55 +0000 |
|---|---|---|
| committer | erictian <erictian@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-06-24 03:03:55 +0000 |
| commit | ca243131657ba03f58206a417b938aa14cff585c (patch) | |
| tree | 0f5fec27fca4a707241570bea8b8eff56cf2ff2c /MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c | |
| parent | 22feb630eb1bbe975c4c14ff859156dcbf6f87e3 (diff) | |
| download | edk2-ca243131657ba03f58206a417b938aa14cff585c.tar.gz edk2-ca243131657ba03f58206a417b938aa14cff585c.tar.bz2 edk2-ca243131657ba03f58206a417b938aa14cff585c.zip | |
MdeModulePkg/Usb: Boost the r/w performance by reducing stall time on polling cmd execution status
Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Elvin Li <elvin.li@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14442 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c index e6c0d15642..f80ef81834 100644 --- a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c +++ b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c @@ -2,7 +2,7 @@ XHCI transfer scheduling routines.
-Copyright (c) 2011 - 2012, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2011 - 2013, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -1101,7 +1101,7 @@ XhcExecTransfer ( }
Status = EFI_SUCCESS;
- Loop = (Timeout * XHC_1_MILLISECOND / XHC_POLL_DELAY) + 1;
+ Loop = Timeout * XHC_1_MILLISECOND;
if (Timeout == 0) {
Loop = 0xFFFFFFFF;
}
@@ -1113,7 +1113,7 @@ XhcExecTransfer ( if (Urb->Finished) {
break;
}
- gBS->Stall (XHC_POLL_DELAY);
+ gBS->Stall (XHC_1_MICROSECOND);
}
if (Index == Loop) {
|