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SubjectRe: [PATCH 05/16] blackfin idle: delete pm_idle
On 02/20/2013 08:52 PM, Rafael J. Wysocki wrote:
> On Monday, February 18, 2013 05:28:19 PM Lars-Peter Clausen wrote:
>> On 02/10/2013 06:58 AM, Len Brown wrote:
>>> From: Len Brown <len.brown@intel.com>
>>>
>>> pm_idle is dead code on blackfin.
>>>
>>> Signed-off-by: Len Brown <len.brown@intel.com>
>>> Cc: uclinux-dist-devel@blackfin.uclinux.org
>>> ---
>>> arch/blackfin/kernel/process.c | 7 -------
>>> 1 file changed, 7 deletions(-)
>>>
>>> diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
>>> index 3e16ad9..8061426 100644
>>> --- a/arch/blackfin/kernel/process.c
>>> +++ b/arch/blackfin/kernel/process.c
>>> @@ -39,12 +39,6 @@ int nr_l1stack_tasks;
>>> void *l1_stack_base;
>>> unsigned long l1_stack_len;
>>>
>>> -/*
>>> - * Powermanagement idle function, if any..
>>> - */
>>> -void (*pm_idle)(void) = NULL;
>>> -EXPORT_SYMBOL(pm_idle);
>>> -
>>> void (*pm_power_off)(void) = NULL;
>>> EXPORT_SYMBOL(pm_power_off);
>>>
>>> @@ -81,7 +75,6 @@ void cpu_idle(void)
>>> {
>>> /* endless idle loop with no priority at all */
>>> while (1) {
>>> - void (*idle)(void) = pm_idle;
>>
>> Hi,
>>
>> This results in the following error:
>>
>> arch/blackfin/kernel/process.c: In function ‘cpu_idle’:
>> arch/blackfin/kernel/process.c:83: error: ‘idle’ undeclared (first use in
>> this function)
>> arch/blackfin/kernel/process.c:83: error: (Each undeclared identifier is
>> reported only once
>> arch/blackfin/kernel/process.c:83: error: for each function it appears in.)
>> arch/blackfin/kernel/process.c:88: error: implicit declaration of function
>> ‘idle’
>>
>>
>> This change on top of your patch, fixes it.
>
> Lars, I need your sign-off for the patch below. May I add it?
>
> Rafael

Sure, I didn't realize the patches had already been merged, otherwise I'd have
sent a proper patch.

- Lars


>> diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
>> index 8061426..9782c03 100644
>> --- a/arch/blackfin/kernel/process.c
>> +++ b/arch/blackfin/kernel/process.c
>> @@ -80,12 +80,10 @@ void cpu_idle(void)
>> if (cpu_is_offline(smp_processor_id()))
>> cpu_die();
>> #endif
>> - if (!idle)
>> - idle = default_idle;
>> tick_nohz_idle_enter();
>> rcu_idle_enter();
>> while (!need_resched())
>> - idle();
>> + default_idle();
>> rcu_idle_exit();
>> tick_nohz_idle_exit();
>> preempt_enable_no_resched();
>>
>>
--
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