diff options
-rw-r--r-- | core/init.c | 3 | ||||
-rw-r--r-- | hw/occ.c | 23 |
2 files changed, 23 insertions, 3 deletions
diff --git a/core/init.c b/core/init.c index 6eb4d83..36cf28d 100644 --- a/core/init.c +++ b/core/init.c @@ -486,6 +486,8 @@ void __noreturn load_and_boot_kernel(bool is_reboot) ipmi_set_fw_progress_sensor(IPMI_FW_OS_BOOT); + occ_pstates_init(); + if (!is_reboot) { /* We wait for the nvram read to complete here so we can * grab stuff from there such as the kernel arguments @@ -499,7 +501,6 @@ void __noreturn load_and_boot_kernel(bool is_reboot) * OCC takes few secs to boot. Call this as late as * as possible to avoid delay. */ - occ_pstates_init(); occ_sensors_init(); } else { @@ -1556,8 +1556,24 @@ void occ_pstates_init(void) if (proc_gen < proc_gen_p8) return; /* Handle fast reboots */ - if (occ_pstates_initialized) - return; + if (occ_pstates_initialized) { + struct dt_node *power_mgt; + int i; + const char *props[] = { + "ibm,pstate-core-max", + "ibm,pstate-frequencies-mhz", + "ibm,pstate-ids", + "ibm,pstate-max", + "ibm,pstate-min", + "ibm,pstate-nominal", + "ibm,pstate-turbo", + "ibm,pstate-ultra-turbo", + }; + + power_mgt = dt_find_by_path(dt_root, "/ibm,opal/power-mgt"); + for (i = 0; i < ARRAY_SIZE(props); i++) + dt_check_del_prop(power_mgt, props[i]); + } switch (proc_gen) { case proc_gen_p8: @@ -1605,6 +1621,9 @@ void occ_pstates_init(void) cpu_pstates_prepare_core(chip, c, pstate_nom); } + if (occ_pstates_initialized) + return; + /* Add opal_poller to poll OCC throttle status of each chip */ for_each_chip(chip) chip->throttle = 0; |