linux-kernel - Re: [PATCH 01/18] lirc core device driver infrastructure

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Date:	11 Sep 2008 20:03:00 +0200
From:	lirc@...telmus.de (Christoph Bartelmus)
To:	j@...nau.net
Cc:	superm1@...ntu.com
Subject: Re: [PATCH 01/18] lirc core device driver infrastructure

Hi Janne,

on 10 Sep 08 at 14:24, Janne Grunau wrote:
> On Tuesday 09 September 2008 15:01:02 Christoph Hellwig wrote:

>>> +	do {
>>> +		if (ir->open) {
>>> +			if (ir->jiffies_to_wait) {
>>> +				set_current_state(TASK_INTERRUPTIBLE);
>>> +				schedule_timeout(ir->jiffies_to_wait);
>>> +			} else {
>>> +				interruptible_sleep_on(
>>> +					ir->p.get_queue(ir->p.data));
>>> +			}
>>
>> No sleep on, please.  But this one should be trivial to fix anyway,
>> by just changing this to a
>>
>> 	set_current_state(TASK_INTERRUPTIBLE);
>> 	schedule();
>>
>> and using wake_up_process in the wakeup path.

> No driver uses the get_queue callback. So I'm inclined to just remove
> it. Christoph, any objections?

lirc_gpio is using it.
I guess there will be no need to use lirc_gpio in future, but I'd like to  
keep this in CVS for people who still use it.

Christoph
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