[PATCH 9/9] armv8: add psci 0.2 stardard support

Yinbo Zhu yinbo.zhu at nxp.com
Thu May 10 20:35:30 PDT 2018


From: Yuantian Tang <andy.tang at nxp.com>

In current kernel, only psci v1.0 is supported. But our psci firmware
only support psci v0.2. So update psci driver to support psci v0.2.

Signed-off-by: Tang Yuantian <andy.tang at nxp.com>
---
 drivers/firmware/psci.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/firmware/psci.c b/drivers/firmware/psci.c
index 0bd795f..c9ed9fb 100644
--- a/drivers/firmware/psci.c
+++ b/drivers/firmware/psci.c
@@ -468,6 +468,8 @@ static void __init psci_init_system_suspend(void)
 	if (!IS_ENABLED(CONFIG_SUSPEND))
 		return;
 
+	suspend_set_ops(&psci_suspend_ops);
+
 	ret = psci_features(PSCI_FN_NATIVE(1_0, SYSTEM_SUSPEND));
 
 	if (ret != PSCI_RET_NOT_SUPPORTED)
@@ -573,6 +575,8 @@ static void __init psci_0_2_set_functions(void)
 
 	pm_power_off = psci_sys_poweroff;
 
+	psci_init_system_suspend();
+
 	suspend_set_ops(&psci_suspend_ops);
 }
 
-- 
1.7.1




More information about the linux-arm-kernel mailing list