diff options
| author | Konstantin Porotchkin <kostap@marvell.com> | 2017-02-23 13:20:40 +0200 |
|---|---|---|
| committer | Kostya Porotchkin <kostap@marvell.com> | 2017-07-11 11:00:01 +0300 |
| commit | 468975dc7296a8b93c4721f519300dc0250a5f16 (patch) | |
| tree | 2035e6d62d1347cf1892fa690308cbcca4d98e24 | |
| parent | 57b341095efbdb87da7dbbc307a1cb0b69895baa (diff) | |
pm: a8k: Add get_sys_suspend_power_state handler
Implement the missing get_sys_suspend_power_state handler
in patform PM module for enabling "suspend to RAM" support
in Linux kernel
Change-Id: Ia6a4efc417ca5fc90f274a151b0bff93b679f9c1
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/40477
Tested-by: iSoC Platform CI <ykjenk@marvell.com>
| -rw-r--r-- | plat/marvell/a8k/common/plat_pm.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/plat/marvell/a8k/common/plat_pm.c b/plat/marvell/a8k/common/plat_pm.c index 2b155d68..efed0a83 100644 --- a/plat/marvell/a8k/common/plat_pm.c +++ b/plat/marvell/a8k/common/plat_pm.c @@ -503,6 +503,19 @@ void a8k_pwr_domain_suspend_finish(const psci_power_state_t *target_state) } /******************************************************************************* + * This handler is called by the PSCI implementation during the `SYSTEM_SUSPEND` + * call to get the `power_state` parameter. This allows the platform to encode + * the appropriate State-ID field within the `power_state` parameter which can + * be utilized in `pwr_domain_suspend()` to suspend to system affinity level. + ******************************************************************************/ +void a8k_get_sys_suspend_power_state(psci_power_state_t *req_state) +{ + /* lower affinities use PLAT_MAX_OFF_STATE */ + for (int i = MPIDR_AFFLVL0; i <= PLAT_MAX_PWR_LVL; i++) + req_state->pwr_domain_state[i] = PLAT_MAX_OFF_STATE; +} + +/******************************************************************************* * A8K handlers to shutdown/reboot the system ******************************************************************************/ static void __dead2 a8k_system_off(void) @@ -532,6 +545,7 @@ const plat_psci_ops_t plat_arm_psci_pm_ops = { .pwr_domain_off = a8k_pwr_domain_off, .pwr_domain_suspend = a8k_pwr_domain_suspend, .pwr_domain_on_finish = a8k_pwr_domain_on_finish, + .get_sys_suspend_power_state = a8k_get_sys_suspend_power_state, .pwr_domain_suspend_finish = a8k_pwr_domain_suspend_finish, .system_off = a8k_system_off, .system_reset = a8k_system_reset, |