diff options
Diffstat (limited to 'MdeModulePkg')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c index 7a2e32a9dd..f4e61d223c 100644 --- a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c +++ b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c @@ -2,7 +2,7 @@ The XHCI controller driver.
(C) Copyright 2023 Hewlett Packard Enterprise Development LP<BR>
-Copyright (c) 2011 - 2022, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2011 - 2023, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -86,10 +86,10 @@ EFI_USB2_HC_PROTOCOL gXhciUsb2HcTemplate = { 0x0
};
-UINT64 mPerformanceCounterStartValue;
-UINT64 mPerformanceCounterEndValue;
-UINT64 mPerformanceCounterFrequency;
-BOOLEAN mPerformanceCounterValuesCached = FALSE;
+static UINT64 mXhciPerformanceCounterStartValue;
+static UINT64 mXhciPerformanceCounterEndValue;
+static UINT64 mXhciPerformanceCounterFrequency;
+static BOOLEAN mXhciPerformanceCounterValuesCached = FALSE;
/**
Retrieves the capability of root hub ports.
@@ -2318,17 +2318,17 @@ XhcConvertTimeToTicks ( UINTN Shift;
// Cache the return values to avoid repeated calls to GetPerformanceCounterProperties ()
- if (!mPerformanceCounterValuesCached) {
- mPerformanceCounterFrequency = GetPerformanceCounterProperties (
- &mPerformanceCounterStartValue,
- &mPerformanceCounterEndValue
- );
+ if (!mXhciPerformanceCounterValuesCached) {
+ mXhciPerformanceCounterFrequency = GetPerformanceCounterProperties (
+ &mXhciPerformanceCounterStartValue,
+ &mXhciPerformanceCounterEndValue
+ );
- mPerformanceCounterValuesCached = TRUE;
+ mXhciPerformanceCounterValuesCached = TRUE;
}
// Prevent returning a tick value of 0, unless Time is already 0
- if (0 == mPerformanceCounterFrequency) {
+ if (0 == mXhciPerformanceCounterFrequency) {
return Time;
}
@@ -2342,7 +2342,7 @@ XhcConvertTimeToTicks ( //
Ticks = MultU64x64 (
DivU64x64Remainder (
- mPerformanceCounterFrequency,
+ mXhciPerformanceCounterFrequency,
Divisor,
&Remainder
),
@@ -2384,12 +2384,12 @@ XhcGetElapsedTicks ( //
// Determine if the counter is counting up or down
//
- if (mPerformanceCounterStartValue < mPerformanceCounterEndValue) {
+ if (mXhciPerformanceCounterStartValue < mXhciPerformanceCounterEndValue) {
//
// Counter counts upwards, check for an overflow condition
//
if (*PreviousTick > CurrentTick) {
- Delta = (mPerformanceCounterEndValue - *PreviousTick) + CurrentTick;
+ Delta = (mXhciPerformanceCounterEndValue - *PreviousTick) + CurrentTick;
} else {
Delta = CurrentTick - *PreviousTick;
}
@@ -2398,7 +2398,7 @@ XhcGetElapsedTicks ( // Counter counts downwards, check for an underflow condition
//
if (*PreviousTick < CurrentTick) {
- Delta = (mPerformanceCounterStartValue - CurrentTick) + *PreviousTick;
+ Delta = (mXhciPerformanceCounterStartValue - CurrentTick) + *PreviousTick;
} else {
Delta = *PreviousTick - CurrentTick;
}
|