linux-kernel - Re: [PATCH 1/3] genirq: Allow the irqchip state of an IRQ to be save/restored

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Date:	Mon, 27 Oct 2014 11:47:02 +0000
From:	Marc Zyngier <marc.zyngier@....com>
To:	Thomas Gleixner <tglx@...utronix.de>
CC:	Abhijeet Dharmapurikar <adharmap@...eaurora.org>,
	Phong Vo <pvo@....com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Tin Huynh <tnhuynh@....com>, Y Vo <yvo@....com>,
	Toan Le <toanle@....com>, Bjorn Andersson <bjorn@...o.se>,
	Arnd Bergmann <arnd@...db.de>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 1/3] genirq: Allow the irqchip state of an IRQ to be save/restored

On 25/10/14 20:42, Thomas Gleixner wrote:
> On Sat, 25 Oct 2014, Thomas Gleixner wrote:
> 
> Bah, hit send way too fast :)
> 
>> On Sat, 25 Oct 2014, Marc Zyngier wrote:
>>> +int irq_get_irqchip_state(unsigned int irq, int state)
> 
> get_state(state) does not make sense. get_state(which) probably more
> so. And 'which' wants to be an enum btw.
> 
>>> +	chip_bus_lock(desc);
>>> +	val = chip->irq_get_irqchip_state(data, state);
>>
>> Hmm. What's the irq_get_irqchip_state() callback supposed to return?
> 
> Either an error code or a boolean value, right? Does not mix very well
> I think. 
> 
> int irq_get_irqchip_state(unsigned int irq, enum xxx which, bool *val)
> 
> Might be a more clear interface.

Agreed, this makes a lot of sense. Will respin it.

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...

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