On Wed, Aug 17, 2011 at 10:20:24AM +0200, Guennadi Liakhovetski wrote:
> On Wed, 17 Aug 2011, Simon Horman wrote:
[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;
> > + } else if (multi_irq)
> > + goto eirq_sdcard;
> > +
> > + ret = irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_CARD_DETECT);
> > + if (irq < 0)
> > + goto eirq_card_detect;
> > + f = multi_irq ? tmio_mmc_card_detect_irq : tmio_mmc_irq;
> > + ret = request_irq(irq, f, 0, dev_name(&pdev->dev), host);
> > + if (ret)
> > + goto eirq_card_detect;
> > +
>
> I still don't see why a multi-IRQ configuration without a card-detect IRQ
> like
>
> static struct resource sdhi_resources[] = {
> [0] = {
> .name = "SDHI2",
> ...,
> },
> [1 + SH_MOBILE_SDHI_IRQ_SDCARD] = {
> .start = ...,
> .flags = IORESOURCE_IRQ,
> },
> [1 + SH_MOBILE_SDHI_IRQ_SDIO] = {
> .start = ...,
> .flags = IORESOURCE_IRQ,
> },
> };
>
> should be invalid. Especially since we actually want to avoid using the
> controller card-detect IRQ for power efficiency and use a GPIO instead.
Ok, in this case you would like SH_MOBILE_SDHI_IRQ_SDCARD to use
tmio_mmc_sdcard_irq() ?
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