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soc: rockchip: fiq debugger: rename notify callbacks

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1. rename callbacks to make them more clearly to be understood;
2. add description for intention;

Change-Id: Ic0e28aa98793495c01f531331e9d5dc816ee0820
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
This commit is contained in:
Joseph Chen
2018-05-03 09:14:37 +08:00
committed by Tao Huang
parent daa327cbb0
commit e6d758f352
1 changed files with 17 additions and 6 deletions
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23
drivers/soc/rockchip/rk_fiq_debugger.c
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@@ -378,8 +378,14 @@ static int rk_fiq_debugger_uart_dev_resume(struct platform_device *pdev)
return 0;
}
static int fiq_debugger_cpu_resume_fiq(struct notifier_block *nb,
unsigned long action, void *hcpu)
/*
* We don't need to migrate fiq before cpuidle, because EL3 can promise to
* resume all fiq configure. We don't want fiq to break kernel cpu_resume(),
* so that fiq would be disabled in EL3 on purpose when cpu resume. We enable
* it here since everything is okay.
*/
static int fiq_debugger_cpuidle_resume_fiq(struct notifier_block *nb,
unsigned long action, void *hcpu)
{
switch (action) {
case CPU_PM_EXIT:
@@ -394,8 +400,13 @@ static int fiq_debugger_cpu_resume_fiq(struct notifier_block *nb,
return NOTIFY_OK;
}
static int fiq_debugger_cpu_migrate_fiq(struct notifier_block *nb,
unsigned long action, void *hcpu)
/*
* We must migrate fiq before cpu offline, because EL3 doesn't promise to
* resume all fiq configure at this sisutation. Here, we migrate fiq to any
* online cpu.
*/
static int fiq_debugger_cpu_offine_migrate_fiq(struct notifier_block *nb,
unsigned long action, void *hcpu)
{
int target_cpu, cpu = (long)hcpu;
@@ -415,12 +426,12 @@ static int fiq_debugger_cpu_migrate_fiq(struct notifier_block *nb,
}
static struct notifier_block fiq_debugger_pm_notifier = {
.notifier_call = fiq_debugger_cpu_resume_fiq,
.notifier_call = fiq_debugger_cpuidle_resume_fiq,
.priority = 100,
};
static struct notifier_block fiq_debugger_cpu_notifier = {
.notifier_call = fiq_debugger_cpu_migrate_fiq,
.notifier_call = fiq_debugger_cpu_offine_migrate_fiq,
.priority = 100,
};