Inorder to accomodate bot DT and ACPI LPI support in psci_cpu_init_idle, move the device tree specific into psci_dt_cpu_init_idle.
Cc: Mark Rutland <[email protected]> Cc: Lorenzo Pieralisi <[email protected]> Cc: [email protected] Signed-off-by: Sudeep Holla <[email protected]> --- drivers/firmware/psci.c | 23 +++++++++-------------- 1 file changed, 9 insertions(+), 14 deletions(-) diff --git a/drivers/firmware/psci.c b/drivers/firmware/psci.c index 11bfee8b79a9..af6c5c839568 100644 --- a/drivers/firmware/psci.c +++ b/drivers/firmware/psci.c @@ -250,11 +250,11 @@ static int __init psci_features(u32 psci_func_id) #ifdef CONFIG_CPU_IDLE static DEFINE_PER_CPU_READ_MOSTLY(u32 *, psci_power_state); -static int psci_dt_cpu_init_idle(struct device_node *cpu_node, int cpu) +static int psci_dt_cpu_init_idle(unsigned int cpu) { int i, ret, count = 0; u32 *psci_states; - struct device_node *state_node; + struct device_node *state_node, *cpu_node; /* * If the PSCI cpu_suspend function hook has not been initialized @@ -263,6 +263,10 @@ static int psci_dt_cpu_init_idle(struct device_node *cpu_node, int cpu) if (!psci_ops.cpu_suspend) return -EOPNOTSUPP; + cpu_node = of_get_cpu_node(cpu, NULL); + if (!cpu_node) + return -ENODEV; + /* Count idle states */ while ((state_node = of_parse_phandle(cpu_node, "cpu-idle-states", count))) { @@ -303,27 +307,18 @@ static int psci_dt_cpu_init_idle(struct device_node *cpu_node, int cpu) } /* Idle states parsed correctly, initialize per-cpu pointer */ per_cpu(psci_power_state, cpu) = psci_states; + of_node_put(cpu_node); return 0; free_mem: + of_node_put(cpu_node); kfree(psci_states); return ret; } int psci_cpu_init_idle(unsigned int cpu) { - struct device_node *cpu_node; - int ret; - - cpu_node = of_get_cpu_node(cpu, NULL); - if (!cpu_node) - return -ENODEV; - - ret = psci_dt_cpu_init_idle(cpu_node, cpu); - - of_node_put(cpu_node); - - return ret; + return psci_dt_cpu_init_idle(cpu); } static int psci_suspend_finisher(unsigned long index) -- 1.9.1
