Re: [PATCH 3/4] mmc: sdhi: Make use of per-source irq handlers

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On Wed, Aug 17, 2011 at 01:24:58PM +0200, Guennadi Liakhovetski wrote:
> On Wed, 17 Aug 2011, Simon Horman wrote:
> 
> > Make use of per-source irq handles if the
> > platform (data) has multiple irq sources.
> > 
> > Also, as suggested by Guennadi Liakhovetski,
> > add and use defines the index or irqs in platform data.
> > 
> > Cc: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
> > Cc: Magnus Damm <magnus.damm@xxxxxxxxx>
> > Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
> > 
> > ---
> > 
> > v5
> > * As suggested by Guennadi Liakhovetski:
> >   - Allow only SH_MOBILE_SDHI_IRQ_SDCARD and
> >     SH_MOBILE_SDHI_IRQ_SDIO to be specified in platform data
> 
> This means, CARD_DETECT is optional in a multi-irq configuration, agree.

[snip]

> > +	ret = irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_SDCARD);
> > +	if (irq >= 0) {
> > +		multi_irq = true;
> > +		ret = request_irq(irq, tmio_mmc_sdcard_irq, 0,
> > +				  dev_name(&pdev->dev), host);
> > +		if (ret)
> > +			goto eirq_sdcard;
> >  	}
> 
> This means SDCARD is optional in both single- and multi-irq 
> configurations.
> 
> > +
> > +	ret = irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_CARD_DETECT);
> > +	if (irq < 0)
> > +		goto eirq_card_detect;
> 
> This means, CARD_DETECT is compulsory in all configurations.
> 
> One of us must be speaking klingonish today.

Sorry, I messed that up a bit.

I will make CARD_DETECT optional in multi-irq configurations.
Likewise SDIO will be optional in multi-irq configurations.

But SDCARD will always be required.
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