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Fixed unexpected timeout in Usb MassStorage Driver.

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Fixed unexpected timeout in Uhci/Ehci driver.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4038 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
yshang1
2007-10-08 06:14:13 +00:00
parent ba5711102a
commit 41e8ff2781
22 changed files with 386 additions and 262 deletions
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9
MdeModulePkg/Bus/Usb/UsbBusDxe/UsbHub.h
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@@ -90,8 +90,11 @@ enum {
USB_HUB_CLASS_CODE = 0x09,
USB_HUB_SUBCLASS_CODE = 0x00,
USB_HUB_LOOP = 50
//
// Host software return timeout if port status doesn't change
// after 500ms(LOOP * STALL = 100 * 5ms), set by experience
//
USB_WAIT_PORT_STS_CHANGE_LOOP = 100,
};
#pragma pack(1)
@@ -112,7 +115,7 @@ typedef struct {
typedef struct {
UINT16 ChangedBit;
UINT8 Feature;
EFI_USB_PORT_FEATURE Feature;
} USB_CHANGE_FEATURE_MAP;