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| author | Tian, Feng <feng.tian@intel.com> | 2013-10-23 05:35:07 +0000 |
|---|---|---|
| committer | erictian <erictian@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-10-23 05:35:07 +0000 |
| commit | d62f9aa6e6f575a6350bb2dad89545b2430a6762 (patch) | |
| tree | fcee4624608d9347a75c001ec8ebb4f92a3f010d /MdeModulePkg | |
| parent | 6cbbfa06d73277f27deefb1753a7779b483f8414 (diff) | |
| download | edk2-d62f9aa6e6f575a6350bb2dad89545b2430a6762.zip edk2-d62f9aa6e6f575a6350bb2dad89545b2430a6762.tar.gz edk2-d62f9aa6e6f575a6350bb2dad89545b2430a6762.tar.bz2 | |
MdeModulePkg/XhciDxe: Dynamically calculate the interval value of interrupt endpoint context of low/full speed device behind low/full speed hub.
Signed-off-by: Tian, Feng <feng.tian@intel.com>
reviewed-by: Li, Elvin <elvin.li@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14797 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c index dea5b1a..bcb4194 100644 --- a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c +++ b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c @@ -2633,9 +2633,10 @@ XhcSetConfigCmd ( if ((DeviceSpeed == EFI_USB_SPEED_FULL) || (DeviceSpeed == EFI_USB_SPEED_LOW)) {
Interval = EpDesc->Interval;
//
- // Hard code the interval to MAX first, need calculate through the bInterval field of Endpoint descriptor.
+ // Calculate through the bInterval field of Endpoint descriptor.
//
- InputContext->EP[Dci-1].Interval = 6;
+ ASSERT (Interval != 0);
+ InputContext->EP[Dci-1].Interval = (UINT32)HighBitSet32((UINT32)Interval) + 3;
} else if ((DeviceSpeed == EFI_USB_SPEED_HIGH) || (DeviceSpeed == EFI_USB_SPEED_SUPER)) {
Interval = EpDesc->Interval;
ASSERT (Interval >= 1 && Interval <= 16);
@@ -2830,9 +2831,10 @@ XhcSetConfigCmd64 ( if ((DeviceSpeed == EFI_USB_SPEED_FULL) || (DeviceSpeed == EFI_USB_SPEED_LOW)) {
Interval = EpDesc->Interval;
//
- // Hard code the interval to MAX first, need calculate through the bInterval field of Endpoint descriptor.
+ // Calculate through the bInterval field of Endpoint descriptor.
//
- InputContext->EP[Dci-1].Interval = 6;
+ ASSERT (Interval != 0);
+ InputContext->EP[Dci-1].Interval = (UINT32)HighBitSet32((UINT32)Interval) + 3;
} else if ((DeviceSpeed == EFI_USB_SPEED_HIGH) || (DeviceSpeed == EFI_USB_SPEED_SUPER)) {
Interval = EpDesc->Interval;
ASSERT (Interval >= 1 && Interval <= 16);
|