5 files changed, 13 insertions, 12 deletions
diff --git a/source/components/hardware/hwacpi.c b/source/components/hardware/hwacpi.c
index 9f9fec329046..72e287abcc13 100644
--- a/source/components/hardware/hwacpi.c
+++ b/source/components/hardware/hwacpi.c
@@ -141,13 +141,13 @@ AcpiHwSetMode (
     Retry = 3000;
     while (Retry)
     {
-        if (AcpiHwGetMode() == Mode)
+        if (AcpiHwGetMode () == Mode)
         {
             ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Mode %X successfully enabled\n",
                 Mode));
             return_ACPI_STATUS (AE_OK);
         }
-        AcpiOsStall(1000);
+        AcpiOsStall (ACPI_USEC_PER_MSEC);
         Retry--;
     }
 
@@ -186,22 +186,22 @@ AcpiHwGetMode (
      */
     if (!AcpiGbl_FADT.SmiCommand)
     {
-        return_UINT32 (ACPI_SYS_MODE_ACPI);
+        return_VALUE (ACPI_SYS_MODE_ACPI);
     }
 
     Status = AcpiReadBitRegister (ACPI_BITREG_SCI_ENABLE, &Value);
     if (ACPI_FAILURE (Status))
     {
-        return_UINT32 (ACPI_SYS_MODE_LEGACY);
+        return_VALUE (ACPI_SYS_MODE_LEGACY);
     }
 
     if (Value)
     {
-        return_UINT32 (ACPI_SYS_MODE_ACPI);
+        return_VALUE (ACPI_SYS_MODE_ACPI);
     }
     else
     {
-        return_UINT32 (ACPI_SYS_MODE_LEGACY);
+        return_VALUE (ACPI_SYS_MODE_LEGACY);
     }
 }
 
diff --git a/source/components/hardware/hwsleep.c b/source/components/hardware/hwsleep.c
index d3817554225a..4d47ef8a33a2 100644
--- a/source/components/hardware/hwsleep.c
+++ b/source/components/hardware/hwsleep.c
@@ -179,7 +179,7 @@ AcpiHwLegacySleep (
          * to still read the right value. Ideally, this block would go
          * away entirely.
          */
-        AcpiOsStall (10000000);
+        AcpiOsStall (10 * ACPI_USEC_PER_SEC);
 
         Status = AcpiHwRegisterWrite (ACPI_REGISTER_PM1_CONTROL,
                     SleepEnableRegInfo->AccessBitMask);
diff --git a/source/components/hardware/hwtimer.c b/source/components/hardware/hwtimer.c
index 44de309456c7..79caa70a5241 100644
--- a/source/components/hardware/hwtimer.c
+++ b/source/components/hardware/hwtimer.c
@@ -203,10 +203,11 @@ AcpiGetTimerDuration (
     /*
      * Compute Duration (Requires a 64-bit multiply and divide):
      *
-     * TimeElapsed = (DeltaTicks * 1000000) / PM_TIMER_FREQUENCY;
+     * TimeElapsed (microseconds) =
+     *  (DeltaTicks * ACPI_USEC_PER_SEC) / ACPI_PM_TIMER_FREQUENCY;
      */
-    Status = AcpiUtShortDivide (((UINT64) DeltaTicks) * 1000000,
-                PM_TIMER_FREQUENCY, &Quotient, NULL);
+    Status = AcpiUtShortDivide (((UINT64) DeltaTicks) * ACPI_USEC_PER_SEC,
+                ACPI_PM_TIMER_FREQUENCY, &Quotient, NULL);
 
     *TimeElapsed = (UINT32) Quotient;
     return_ACPI_STATUS (Status);
diff --git a/source/components/hardware/hwxface.c b/source/components/hardware/hwxface.c
index e4f8c802c455..1a1322be6292 100644
--- a/source/components/hardware/hwxface.c
+++ b/source/components/hardware/hwxface.c
@@ -377,7 +377,7 @@ ACPI_EXPORT_SYMBOL (AcpiReadBitRegister)
  *
  * PARAMETERS:  RegisterId      - ID of ACPI Bit Register to access
  *              Value           - Value to write to the register, in bit
- *                                position zero. The bit is automaticallly
+ *                                position zero. The bit is automatically
  *                                shifted to the correct position.
  *
  * RETURN:      Status
diff --git a/source/components/hardware/hwxfsleep.c b/source/components/hardware/hwxfsleep.c
index c75308443a2e..affa8d35f5ea 100644
--- a/source/components/hardware/hwxfsleep.c
+++ b/source/components/hardware/hwxfsleep.c
@@ -227,7 +227,7 @@ AcpiEnterSleepStateS4bios (
                 (UINT32) AcpiGbl_FADT.S4BiosRequest, 8);
 
     do {
-        AcpiOsStall(1000);
+        AcpiOsStall (ACPI_USEC_PER_MSEC);
         Status = AcpiReadBitRegister (ACPI_BITREG_WAKE_STATUS, &InValue);
         if (ACPI_FAILURE (Status))
         {