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Save original PCI attributes in start() function and restore it in Stop() for those PCI device drivers.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4212 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
2007-10-25 07:59:45 +00:00
parent c9a0a0fcf1
commit 68246fa809
9 changed files with 328 additions and 268 deletions
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5
MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h
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@@ -65,11 +65,11 @@ enum {
EHC_ROOT_PORT_RECOVERY_STALL = 20 * EHC_1_MILLISECOND,
//
// Sync and Async transfer polling interval, set by experience,
// Sync and Async transfer polling interval, set by experience,
// and the unit of Async is 100us, means 50ms as interval.
//
EHC_SYNC_POLL_INTERVAL = 20 * EHC_1_MICROSECOND,
EHC_ASYNC_POLL_INTERVAL = 50 * 10000U,
EHC_ASYNC_POLL_INTERVAL = 50 * 10000U,
//
// EHC raises TPL to TPL_NOTIFY to serialize all its operations
@@ -111,6 +111,7 @@ struct _USB2_HC_DEV {
EFI_USB2_HC_PROTOCOL Usb2Hc;
EFI_PCI_IO_PROTOCOL *PciIo;
UINT64 OriginalPciAttributes;
USBHC_MEM_POOL *MemPool;
//