diff options
Diffstat (limited to 'plat/arm/css/drivers/scp/css_pm_scpi.c')
-rw-r--r-- | plat/arm/css/drivers/scp/css_pm_scpi.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/plat/arm/css/drivers/scp/css_pm_scpi.c b/plat/arm/css/drivers/scp/css_pm_scpi.c index 8678d203..545c3fbe 100644 --- a/plat/arm/css/drivers/scp/css_pm_scpi.c +++ b/plat/arm/css/drivers/scp/css_pm_scpi.c @@ -93,7 +93,16 @@ int css_scp_get_power_state(u_register_t mpidr, unsigned int power_level) * The CPU state returned by SCP is an 8-bit bit mask * corresponding to each CPU in the cluster */ +#if ARM_PLAT_MT + /* + * The current SCPI driver only caters for single-threaded + * platforms. Hence we ignore the thread ID (which is always 0) + * for such platforms. + */ + element = (mpidr >> MPIDR_AFF1_SHIFT) & MPIDR_AFFLVL_MASK; +#else element = mpidr & MPIDR_AFFLVL_MASK; +#endif /* ARM_PLAT_MT */ return CSS_CPU_PWR_STATE(cpu_state, element) == CSS_CPU_PWR_STATE_ON ? HW_ON : HW_OFF; } else { |