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path: root/drivers/acpi/acpica/utmath.c
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Diffstat (limited to 'drivers/acpi/acpica/utmath.c')
-rw-r--r--drivers/acpi/acpica/utmath.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/acpi/acpica/utmath.c b/drivers/acpi/acpica/utmath.c
index f9ff100f0..667372093 100644
--- a/drivers/acpi/acpica/utmath.c
+++ b/drivers/acpi/acpica/utmath.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2015, Intel Corp.
+ * Copyright (C) 2000 - 2016, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -111,6 +111,7 @@ acpi_ut_short_divide(u64 dividend,
*/
ACPI_DIV_64_BY_32(0, dividend_ovl.part.hi, divisor,
quotient.part.hi, remainder32);
+
ACPI_DIV_64_BY_32(remainder32, dividend_ovl.part.lo, divisor,
quotient.part.lo, remainder32);
@@ -179,6 +180,7 @@ acpi_ut_divide(u64 in_dividend,
*/
ACPI_DIV_64_BY_32(0, dividend.part.hi, divisor.part.lo,
quotient.part.hi, partial1);
+
ACPI_DIV_64_BY_32(partial1, dividend.part.lo, divisor.part.lo,
quotient.part.lo, remainder.part.lo);
}
@@ -206,12 +208,12 @@ acpi_ut_divide(u64 in_dividend,
ACPI_DIV_64_BY_32(normalized_dividend.part.hi,
normalized_dividend.part.lo,
- normalized_divisor.part.lo,
- quotient.part.lo, partial1);
+ normalized_divisor.part.lo, quotient.part.lo,
+ partial1);
/*
- * The quotient is always 32 bits, and simply requires adjustment.
- * The 64-bit remainder must be generated.
+ * The quotient is always 32 bits, and simply requires
+ * adjustment. The 64-bit remainder must be generated.
*/
partial1 = quotient.part.lo * divisor.part.hi;
partial2.full = (u64) quotient.part.lo * divisor.part.lo;