diff options
Diffstat (limited to 'src/soc/intel')
| -rw-r--r-- | src/soc/intel/common/block/cpu/pm_timer_emulation.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/soc/intel/common/block/cpu/pm_timer_emulation.c b/src/soc/intel/common/block/cpu/pm_timer_emulation.c index 8f56da54c5..0436e04634 100644 --- a/src/soc/intel/common/block/cpu/pm_timer_emulation.c +++ b/src/soc/intel/common/block/cpu/pm_timer_emulation.c @@ -1,5 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0-only */ +#include <commonlib/helpers.h> #include <cpu/x86/msr.h> #include <intelblocks/cpulib.h> #include <intelblocks/msr.h> @@ -18,7 +19,7 @@ void enable_pm_timer_emulation(void) * (clock * msr[63:32]) >> 32 = target frequency. * Back solve the multiplier so the 3.579545MHz ACPI timer frequency is used. */ - msr.hi = (3579545ULL << 32) / CONFIG_CPU_XTAL_HZ; + msr.hi = DIV_ROUND_CLOSEST((3579545ULL << 32), CONFIG_CPU_XTAL_HZ); /* Set PM1 timer IO port and enable */ msr.lo = (EMULATE_DELAY_VALUE << EMULATE_DELAY_OFFSET_VALUE) | EMULATE_PM_TMR_EN | (ACPI_BASE_ADDRESS + PM1_TMR); |