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

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Date:   Fri, 11 May 2018 11:35:30 +0800
From:   Yinbo Zhu <yinbo.zhu@....com>
To:     <yinbo.zhu@....com>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "Catalin Marinas )" <catalin.marinas@....com>,
        "Will Deacon )" <will.deacon@....com>,
        "Lorenzo Pieralisi )" <lorenzo.pieralisi@....com>,
        Li Yang <leoyang.li@....com>
CC:     <xiaobo.xie@....com>, <ran.wang_1@....com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Shawn Guo <shawnguo@...nel.org>,
        Madalin Bucur <madalin.bucur@....com>,
        Hou Zhiqiang <Zhiqiang.Hou@....com>,
        Changming Huang <jerry.huang@....com>,
        Minghuan Lian <Minghuan.Lian@....com>,
        Zhao Qiang <qiang.zhao@....com>,
        Fabio Estevam <fabio.estevam@....com>,
        "jiaheng . fan" <jiaheng.fan@....com>, Po Liu <po.liu@....com>,
        Nipun Gupta <nipun.gupta@....com>,
        Horia Geantă <horia.geanta@....com>,
        Priyanka Jain <priyanka.jain@....com>,
        Sumit Garg <sumit.garg@....com>,
        costi <constantin.tudor@...escale.com>,
        Bogdan Purcareata <bogdan.purcareata@....com>,
        Meng Yi <meng.yi@....com>,
        Wang Dongsheng <dongsheng.wang@....com>,
        "open list:CLOCKSOURCE, CLOCKEVENT DRIVERS" 
        <linux-kernel@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:FREESCALE SOC DRIVERS" <linuxppc-dev@...ts.ozlabs.org>,
        Tang Yuantian <Yuantian.Tang@....com>,
        <ying.zhang22455@....com>, Yuantian Tang <andy.tang@....com>
Subject: [PATCH 9/9] armv8: add psci 0.2 stardard support

From: Yuantian Tang <andy.tang@....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@....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