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MdeModulePkg/UsbBusDxe: Timing tunning for better boot performance.

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Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13809 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
erictian
2012-10-10 02:46:06 +00:00
parent fa8801f5fc
commit c843ef6796
3 changed files with 13 additions and 8 deletions
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4
MdeModulePkg/Bus/Usb/UsbBusDxe/UsbHub.h
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@@ -97,9 +97,9 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
//
// Host software return timeout if port status doesn't change
// after 500ms(LOOP * STALL = 100 * 5ms), set by experience
// after 500ms(LOOP * STALL = 5000 * 0.1ms), set by experience
//
#define USB_WAIT_PORT_STS_CHANGE_LOOP 100
#define USB_WAIT_PORT_STS_CHANGE_LOOP 5000
#pragma pack(1)
//