Re: [patch 08/16] genirq: Introduce callback irq_chip.irq_write_msi_msg

[Thomas Gleixner]

On Tue, 18 Nov 2014, Yun Wu (Abel) wrote:
> On 2014/11/18 21:43, Jiang Liu wrote:
> > 	We provide an irq_chip for each type of interrupt controller
> > instead of devices. For the example mentioned above, if device A
> > and Group B has different interrupt controllers, we just need to
> > implement irq_chip_A and irq_chip_B and set irq_chip.irq_write_msi_msg()
> > to suitable callbacks.
> > 	The framework already achieves what you you want:)
> 
> What if device A and group B have the same interrupt controller?

Well, if write_msg() is different they are hardly the same.

Thanks,

	tglx
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